Adaptive Compensation Of Nonlinear Impairments In Fiber Optic Systems

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Adaptive Compensation of Nonlinear Impairments in Fiber-Optic Systems

Author : Hadi NekoeiQachkanloo
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (126 download)

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Book Synopsis Adaptive Compensation of Nonlinear Impairments in Fiber-Optic Systems by : Hadi NekoeiQachkanloo

Download or read book Adaptive Compensation of Nonlinear Impairments in Fiber-Optic Systems written by Hadi NekoeiQachkanloo and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical communication systems are vital for high rate telecommunication. Fiber-optic communication system is an excellent choice due to its low loss, high bandwidth, and robustness to electromagnetic interference. However, fiber-optic links suffer from linear and nonlinear impairments which limit their performance. Digital signal processing techniques can be used for linear impairments compensation. On the other hand, nonlinear impairment is much harder to tackle. There exist two main nonlinear noise which is caused by Kerr effect. Each channel in the fiber-optic link has two poles namely X-pole and Y-pole. In a single channel case, transmitted signal over each pole generates intensity-dependent noise on both poles which is called Self Phase Modulation (SPM) noise. On the other hand, when multiple signal channels co-propagate in a single fiber, the power fluctuations of one signal channel cause a phase shift to another channel, which is due to the Cross Phase Modulation (XPM) effect. Through this thesis, our main contributions are as follows. Firstly, we utilize Low-density parity-check (LDPC) Coded Modulation with Iterative Damping and Decoding at the receiver to overcome the nonlinear noise without any need for feedback to the transmitter. In other words, after extracting the short-term mean of SPM noise, we modify the decoding system to accept a priori information which helps us to remove nonlinearity using demapping. In addition, we propose a joint detection method to compensate for SPM noise. In this method, we exploit two main statistical characteristics of noise samples which are space domain and time domain correlations to improve naive minimum distance detection. In the last chapter, we introduce an algorithm for learning an adaptive model of fiber which can help us not only improve the performance of pre-compensation but also reduce the complexity of the state-of-the-art method.

Impact of Nonlinearities on Fiber Optic Communications

Author : Shiva Kumar
Publisher : Springer Science & Business Media
ISBN 13 : 144198139X
Total Pages : 547 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Impact of Nonlinearities on Fiber Optic Communications by : Shiva Kumar

Download or read book Impact of Nonlinearities on Fiber Optic Communications written by Shiva Kumar and published by Springer Science & Business Media. This book was released on 2011-03-23 with total page 547 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the recent progress in fiber-optic communication systems with a main focus on the impact of fiber nonlinearities on the system performance. Over the past few years, there has been significant progress in coherent communication systems mainly because of the advances in digital signal processing techniques. This has led to renewed interest in fiber linear and nonlinear impairments and techniques to mitigate them in electrical domain. In this book, the reader will find all the important topics of fiber optic communication systems in one place with in-depth coverage by the experts of each subtopics. Pioneers from each of the sub-topics have been invited to contribute. Each chapter will have a section on fundamentals, review of literature survey and the recent developments. The reader will benefit from this approach since many of the conference proceedings and journal articles mainly focus on the authors’ research work without spending space on preliminaries.

Compensation of Nonlinear Optical Fiber Impairments Using Coding and Electronic Equalizer

Author : Zeinab Taghavi
Publisher :
ISBN 13 : 9781124696331
Total Pages : 144 pages
Book Rating : 4.6/5 (963 download)

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Book Synopsis Compensation of Nonlinear Optical Fiber Impairments Using Coding and Electronic Equalizer by : Zeinab Taghavi

Download or read book Compensation of Nonlinear Optical Fiber Impairments Using Coding and Electronic Equalizer written by Zeinab Taghavi and published by . This book was released on 2011 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultra-high capacity fiber optic systems with data rates exceeding 100 Giga bits per second per fiber are currently being deployed with higher capacity systems in development. The requirement of a minimum energy per bit for reliable communication means that the power launched into a single fiber is now at a level where significant nonlinearities exist. Nonlinearities can also be produced for lower power intensity-modulated systems because of the square-law nature of sensors. n order to maximize the information capacity, the combined channel that includes a combination of nonlinear impairments along with additional linear impairments must be mitigated. This mitigation can be achieved by a combination of modulation coding at the transmitter and equalization at the receiver. The development of these techniques for nonlinear channels is significantly more complex than the corresponding techniques for linear channels because of the nature of the nonlinearity and the extremely high data rate. This rate limits the complexity of the equalization algorithm. This thesis presents modulation coding and equalization techniques for several nonlinear fiber optic channels. We consider two classes of nonlinearity. The first arises from the combination of linear dispersion in an optical fiber and square-law sensing. The second arises from nonlinear propagation characteristics caused by a power-dependent index of refraction change called a Kerr nonlinearity. A variety of nonlinear channel models can be constructed from these two fundamental forms of nonlinearity along with linear impairments. The dominant linear impairment is dispersion. One form occurs when the propagation characteristics for each mode depend on the frequency. A second form of dispersion arises because different polarization modes can have different propagation characteristics. The research premise of this thesis is that a combination of modulation coding, sequence estimation (both single-user and multi-user) and nonlinear equalization based on heuristic algorithms can produce significant performance improvement relative to published techniques. We present several abstracted scenarios reflecting practical systems where a combination of these techniques is effective. We also describe situations where they are ineffective. These results lay the foundation for further work using these techniques to optimize specific nonlinear channels.

Methods for Nonlinear Impairments Compensation in Fiber-optic Communication Systems

Author : Ali Saheb Pasand
Publisher :
ISBN 13 :
Total Pages : 119 pages
Book Rating : 4.:/5 (19 download)

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Book Synopsis Methods for Nonlinear Impairments Compensation in Fiber-optic Communication Systems by : Ali Saheb Pasand

Download or read book Methods for Nonlinear Impairments Compensation in Fiber-optic Communication Systems written by Ali Saheb Pasand and published by . This book was released on 2018 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fiber optic links are the backbone of the current high-speed tele- and data communication networks. Two major factors which cause degradation in the performance of this type of communication systems are ber optic link nonlinear impairments, self-phase and cross-phase modulation, and linear additive noise. To tackle with linear noise, the average energy of constellation points should be increased and this increment also increases the nonlinear impairments. This research explores some possible methods of tackling the issues caused by nonlinear impairments without changing the average energy of constellation points. In chapter 1, we will review mathematical models introduced in literature for modelling nonlinearities in ber optic links. In Chapter 2, we will introduce a simplified model for modelling nonlinearities which can help us with compensating procedure by reducing computational complexity and providing feasibility for parallel computations. In Chapter 3, a novel method called Masking Data Samples will be introduced which can reduce the power of self-phase modulation by sampling from that, which is a random variable, and choosing the best sample in sense of SPM noise between all obtained ones. In Chapter 4, a modi ed version of known tree-structure codes will be introduced which can reduce the power of SPM noise by a new sorting method in the phase of producing look-up table for codes. At the last chapter, a method for exploiting the statistical characteristics and memory of the samples of cross-phase modulation noise will be introduced which can help us with detecting data symbols more accurately.

Digital Signal Processing for Cancellation of Fiber Optic Impairments

Author : Zainab Faydh Mohammed
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783659364082
Total Pages : 112 pages
Book Rating : 4.3/5 (64 download)

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Book Synopsis Digital Signal Processing for Cancellation of Fiber Optic Impairments by : Zainab Faydh Mohammed

Download or read book Digital Signal Processing for Cancellation of Fiber Optic Impairments written by Zainab Faydh Mohammed and published by LAP Lambert Academic Publishing. This book was released on 2013 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: High bit rates optical communication systems pose the challenge of their tolerance to linear and nonlinear fiber impairments. Recently, the use of electronic processing for the mitigation of signal distortion in optical communication has attracted increasing interest due to its low cost and size relative to alternative optical techniques and the potential for the integration of electronic processors with existing transceiver electronics. In this book 40 Gb/s DP-QPSK system with coherent reception and DSP unit for optical fiber impairments compensation is proposed . The Chromatic Dispersion is compensated using a simple transversal digital filter and Polarization Mode Dispersion is compensated using adaptive butterfly equalizer. A nonlinear compensator is used for compensating the nonlinear effects. A modified Viterbi-and-Viterbi algorithm is then used to compensate for phase and frequency mismatch between the transmitter and local oscillator .This book should be useful for researchers work on development of optical communication systems and especially who works on DSP algorithms or anyone else who may be interested in optical fiber technology.

Fiber Nonlinear Compensation and Estimation for Next Generation Optical Networks

Author : Fangyuan Zhang
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Fiber Nonlinear Compensation and Estimation for Next Generation Optical Networks by : Fangyuan Zhang

Download or read book Fiber Nonlinear Compensation and Estimation for Next Generation Optical Networks written by Fangyuan Zhang and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Optical channel capacity is approaching the nonlinear Shannon limit with the assistance of advanced soft-decision forward error correction (FEC). For next generation optical systems, fiber nonlinearity effects are major impairments which limit the maximum capacity of backbone optical networks. In coherent transmission systems, low-complexity techniques to mitigate the fiber nonlinearities have attracted interest. In the optical network, a real-time fiber nonlinearity estimator would be essential in order to realize network optimization and throughput maximization. In this thesis we propose a low-complexity digital backpropagation (DBP) in subcarrier multiplexing systems (SCM) for fiber nonlinearity compensation. The technique is denoted as SCM-DBP. SCM-DBP can achieve a 50% maximum reach extension with 3200 km per DBP step for quadrature phase shift keying (QPSK) signals in single channel transmissions. Then, two modifications are proposed to further reduce the complexity of SCM-DBP. The first is reducing the number of interfering subcarriers when calculating the cross-subcarrier nonlinearity (CSN) distortion. The second is replacing the mathematical derived CSN filters with infinite impulse response (IIR) filters in the CSN compensation. These two modifications can achieve 48% complexity reduction if compared with SCM-DBP at a performance loss of only 0.07 dB. In order to realize nonlinearity compensation without any prior knowledge of a fiber link, a fully blind adaptive DBP is proposed. For homogeneous links, a two-parameter blind adaptive (TBA) scheme is demonstrated assuming all DBP steps have identical nonlinear scaling factor and filter bandwidth parameter. For heterogeneous links, a multi-parameter adaptive (MBA) scheme is proposed to achieve optimal performance by adapting the nonlinear scaling factor, bandwidth parameter and chromatic dispersion in each DBP step. Experimental and simulation results are presented to verify the efficiency of the two blind algorithms.Finally, we propose a fast evaluation model to calculate noise variance induced by fiber nonlinearity for the real-time planning of optical networks. The model is based on a fast incoherent Gaussian noise (IGN) model. We numerically investigate the accuracy of the proposed scheme in various scenarios. We show that with channels added and dropped at various locations of a fiber link, the proposed scheme is able to provide sufficiently high accuracy for most of the cases. " --

Impact of Nonlinearities on Fiber Optic Communications

Author : Shiva Kumar
Publisher : Springer
ISBN 13 : 9781441981400
Total Pages : 544 pages
Book Rating : 4.9/5 (814 download)

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Book Synopsis Impact of Nonlinearities on Fiber Optic Communications by : Shiva Kumar

Download or read book Impact of Nonlinearities on Fiber Optic Communications written by Shiva Kumar and published by Springer. This book was released on 2011-04-07 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the recent progress in fiber-optic communication systems with a main focus on the impact of fiber nonlinearities on the system performance. Over the past few years, there has been significant progress in coherent communication systems mainly because of the advances in digital signal processing techniques. This has led to renewed interest in fiber linear and nonlinear impairments and techniques to mitigate them in electrical domain. In this book, the reader will find all the important topics of fiber optic communication systems in one place with in-depth coverage by the experts of each subtopics. Pioneers from each of the sub-topics have been invited to contribute. Each chapter will have a section on fundamentals, review of literature survey and the recent developments. The reader will benefit from this approach since many of the conference proceedings and journal articles mainly focus on the authors’ research work without spending space on preliminaries.

Nonlinear Fiber Optics

Author : Govind P. Agrawal
Publisher :
ISBN 13 :
Total Pages : 634 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nonlinear Fiber Optics by : Govind P. Agrawal

Download or read book Nonlinear Fiber Optics written by Govind P. Agrawal and published by . This book was released on 1995 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised edition is a comprehensive, up-to-date account of nonlinear optical phenomena in fiber optics. It synthesizes widely scattered research material and presents it in an accessible manner for students and researchers in the field of nonlinear fiber optics. Particular attention is paid to the importance of nonlinear effects in the design of optical fiber communication systems.

Advanced Digital Signal Processing in Coherent Fiber Optic Communication Systems

Author : Mahdi Malekiha
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (979 download)

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Book Synopsis Advanced Digital Signal Processing in Coherent Fiber Optic Communication Systems by : Mahdi Malekiha

Download or read book Advanced Digital Signal Processing in Coherent Fiber Optic Communication Systems written by Mahdi Malekiha and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "To satisfy the explosive growth in global Internet traffic, the development of transmission links that not only have high-capacity but are also flexible, reconfigurable, and adaptive is imperative. The advents of high speed digital-to-analog and analog-to-digital converters, and recent progress in complementary metal-oxide-semiconductor (CMOS) technology has facilitated the development of optical transceivers relying on coherent detection and digital signal processing (DSP) for the compensation of fiber impairments. Next generation coherent optical networks are anticipated to further approach the Shannon limit and deliver 400~Gb/s or 1~Tb/s data rates per channel, while providing flexibility and agility to maximize the utilization of the network resources. This thesis explores novel system architectures and advanced DSP algorithms to fulfill these design targets. Currently, chromatic dispersion (CD) compensation and forward error correction (FEC) decoders are the major power consuming (more than 50%) blocks of a conventional transceiver application-specific integrated circuit (ASIC). This thesis presents the concepts and architectures of multi-sub-band (MSB) signaling for mitigation of CD, and eliminating the need for a CD compensating equalizer in reduced-guard-interval (RGI) orthogonal frequency-division multiplexing (OFDM) and single carrier systems. The performance of the proposed techniques are experimentally evaluated using a leading-edge optical long-haul transmission test-bed. It is shown that the MSB technique, in addition to the evidently lower computational complexity, allows for a highly efficient adaptive rate smart transceiver implementation with lower system overhead and simplified parallelism, while attaining the same or better transmission reach and performance as the conventional transceiver. This is due to its higher tolerance to fiber nonlinearity.With coherent technology and advanced FEC, it is known that the capacity of current fiber optic transmission systems is fundamentally limited by fiber nonlinearities. We have optimized the perturbation based nonlinearity compensation (PB-NLC) equalization scheme and proposed a novel adaptive nonlinear equalizer. The performances of the aforementioned DSP equalization schemes are numerically and experimentally studied. It is found that the optimized technique demonstrates lower computational complexity over conventional PB-NLC. In addition, the proposed adaptive nonlinear equalizer does not require prior calculations of perturbation coefficients and detailed knowledge of the transmission link parameters. It achieves comparable performance to the PB-NLC. Unlike previously studied adaptive nonlinear equalization techniques, our algorithm takes advantage of common symmetries, avoids replication of operations, and only uses a few adaptive nonlinear coefficients. Finally, its computational complexity is smaller than previously proposed adaptive nonlinear equalization schemes, which meets the requirements of next generation optical networks." --

Comparison of the Compensation Effects of Fiber Nonlinear Impairments with Mid-span Optical Phase Conjugation Between PDM CO-OFDM System and PDM QPSK System*Project Supported by the National Natural Science Foundation of China (Grant Nos. 61271192, 61427813, and 61331010) and the National Basic Research Program of China (Grant No. 2013AA013401).

Download Comparison of the Compensation Effects of Fiber Nonlinear Impairments with Mid-span Optical Phase Conjugation Between PDM CO-OFDM System and PDM QPSK System*Project Supported by the National Natural Science Foundation of China (Grant Nos. 61271192, 61427813, and 61331010) and the National Basic Research Program of China (Grant No. 2013AA013401). PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (15 download)

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Book Synopsis Comparison of the Compensation Effects of Fiber Nonlinear Impairments with Mid-span Optical Phase Conjugation Between PDM CO-OFDM System and PDM QPSK System*Project Supported by the National Natural Science Foundation of China (Grant Nos. 61271192, 61427813, and 61331010) and the National Basic Research Program of China (Grant No. 2013AA013401). by :

Download or read book Comparison of the Compensation Effects of Fiber Nonlinear Impairments with Mid-span Optical Phase Conjugation Between PDM CO-OFDM System and PDM QPSK System*Project Supported by the National Natural Science Foundation of China (Grant Nos. 61271192, 61427813, and 61331010) and the National Basic Research Program of China (Grant No. 2013AA013401). written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The compensation effects of fiber nonlinearity in 112 Gb/s polarization division multiplexing (PDM) coherent optical systems by mid-span optical phase conjugation (OPC) based on four wave mixing (FWM) effect are studied. Comparisons of the compensation results between PDM coherent optical-orthogonal frequency division multiplexing (CO-OFDM) system and the single carrier (SC) PDM quadrature phase shift keying (QPSK) system are provided as well. The results demonstrate that nonlinear compensation effect with mid-span OPC in PDM CO-OFDM system is much more obvious than that in SC PDM QPSK system.

Advanced Optical and Wireless Communications Systems

Author : Ivan B. Djordjevic
Publisher : Springer Nature
ISBN 13 : 3030984915
Total Pages : 794 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Advanced Optical and Wireless Communications Systems by : Ivan B. Djordjevic

Download or read book Advanced Optical and Wireless Communications Systems written by Ivan B. Djordjevic and published by Springer Nature. This book was released on 2022-06-21 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new edition of this popular textbook keeps its structure, introducing the advanced topics of: (i) wireless communications, (ii) free-space optical (FSO) communications, (iii) indoor optical wireless (IR) communications, and (iv) fiber-optics communications, but thoroughly updates the content for new technologies and practical applications. The author presents fundamental concepts, such as propagation principles, modulation formats, channel coding, diversity principles, MIMO signal processing, multicarrier modulation, equalization, adaptive modulation and coding, detection principles, and software defined transmission, first describing them and then following up with a detailed look at each particular system. The book is self-contained and structured to provide straightforward guidance to readers looking to capture fundamentals and gain theoretical and practical knowledge about wireless communications, free-space optical communications, and fiber-optics communications, all which can be readily applied in studies, research, and practical applications. The textbook is intended for an upper undergraduate or graduate level courses in fiber-optics communication, wireless communication, and free-space optical communication problems, an appendix with all background material needed, and homework problems. In the second edition, in addition to the existing chapters being updated and problems being inserted, one new chapter has been added, related to the physical-layer security thus covering both security and reliability issues. New material on 5G and 6G technologies has been added in corresponding chapters.

Optical Fiber Telecommunications VA

Author : Ivan Kaminow
Publisher : Academic Press
ISBN 13 : 0080565018
Total Pages : 945 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Optical Fiber Telecommunications VA by : Ivan Kaminow

Download or read book Optical Fiber Telecommunications VA written by Ivan Kaminow and published by Academic Press. This book was released on 2010-07-28 with total page 945 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical Fiber Telecommunications V (A&B) is the fifth in a series that has chronicled the progress in the research and development of lightwave communications since the early 1970s. Written by active authorities from academia and industry, this edition not only brings a fresh look to many essential topics but also focuses on network management and services. Using high bandwidth in a cost-effective manner for the development of customer applications is a central theme. This book is ideal for R&D engineers and managers, optical systems implementers, university researchers and students, network operators, and the investment community. Volume (A) is devoted to components and subsystems, including: semiconductor lasers, modulators, photodetectors, integrated photonic circuits, photonic crystals, specialty fibers, polarization-mode dispersion, electronic signal processing, MEMS, nonlinear optical signal processing, and quantum information technologies. Volume (B) is devoted to systems and networks, including: advanced modulation formats, coherent systems, time-multiplexed systems, performance monitoring, reconfigurable add-drop multiplexers, Ethernet technologies, broadband access and services, metro networks, long-haul transmission, optical switching, microwave photonics, computer interconnections, and simulation tools. Biographical Sketches Ivan Kaminow retired from Bell Labs in 1996 after a 42-year career. He conducted seminal studies on electrooptic modulators and materials, Raman scattering in ferroelectrics, integrated optics, semiconductor lasers (DBR , ridge-waveguide InGaAsP and multi-frequency), birefringent optical fibers, and WDM networks. Later, he led research on WDM components (EDFAs, AWGs and fiber Fabry-Perot Filters), and on WDM local and wide area networks. He is a member of the National Academy of Engineering and a recipient of the IEEE/OSA John Tyndall, OSA Charles Townes and IEEE/LEOS Quantum Electronics Awards. Since 2004, he has been Adjunct Professor of Electrical Engineering at the University of California, Berkeley. Tingye Li retired from AT&T in 1998 after a 41-year career at Bell Labs and AT&T Labs. His seminal work on laser resonator modes is considered a classic. Since the late 1960s, He and his groups have conducted pioneering studies on lightwave technologies and systems. He led the work on amplified WDM transmission systems and championed their deployment for upgrading network capacity. He is a member of the National Academy of Engineering and a foreign member of the Chinese Academy of Engineering. He is a recipient of the IEEE David Sarnoff Award, IEEE/OSA John Tyndall Award, OSA Ives Medal/Quinn Endowment, AT&T Science and Technology Medal, and IEEE Photonics Award. Alan Willner has worked at AT&T Bell Labs and Bellcore, and he is Professor of Electrical Engineering at the University of Southern California. He received the NSF Presidential Faculty Fellows Award from the White House, Packard Foundation Fellowship, NSF National Young Investigator Award, Fulbright Foundation Senior Scholar, IEEE LEOS Distinguished Lecturer, and USC University-Wide Award for Excellence in Teaching. He is a Fellow of IEEE and OSA, and he has been President of the IEEE LEOS, Editor-in-Chief of the IEEE/OSA J. of Lightwave Technology, Editor-in-Chief of Optics Letters, Co-Chair of the OSA Science & Engineering Council, and General Co-Chair of the Conference on Lasers and Electro-Optics. For nearly three decades, the OFT series has served as the comprehensive primary resource covering progress in the science and technology of optical fiber telecom. It has been essential for the bookshelves of scientists and engineers active in the field. OFT V provides updates on considerable progress in established disciplines, as well as introductions to new topics. [OFT V]... generates a value that is even higher than that of the sum of its chapters.

Applications of Nonlinear Fiber Optics

Author : Govind P. Agrawal
Publisher : Academic Press
ISBN 13 : 0128170409
Total Pages : 564 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Applications of Nonlinear Fiber Optics by : Govind P. Agrawal

Download or read book Applications of Nonlinear Fiber Optics written by Govind P. Agrawal and published by Academic Press. This book was released on 2020-08-27 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Applications of Nonlinear Fiber Optics, Third Edition presents sound coverage of the fundamentals of lightwave technology, along with material on pulse compression techniques and rare-earth-doped fiber amplifiers and lasers. The book's chapters include information on fiber-optic communication systems and the ultrafast signal processing techniques that make use of nonlinear phenomena in optical fibers. This book is an ideal reference for R&D engineers working on developing next generation optical components, scientists involved with research on fiber amplifiers and lasers, graduate students, and researchers working in the fields of optical communications and quantum information. Presents the only book on how to develop nonlinear fiber optic applications Describes the latest research on nonlinear fiber optics Demonstrates how nonlinear fiber optics principles are applied in practice

Coding for Optical Channels

Author : Ivan Djordjevic
Publisher : Springer Science & Business Media
ISBN 13 : 1441955690
Total Pages : 454 pages
Book Rating : 4.4/5 (419 download)

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Book Synopsis Coding for Optical Channels by : Ivan Djordjevic

Download or read book Coding for Optical Channels written by Ivan Djordjevic and published by Springer Science & Business Media. This book was released on 2010-04-05 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to adapt to the ever-increasing demands of telecommunication needs, today’s network operators are implementing 100 Gb/s per dense wavelength division multiplexing (DWDM) channel transmission. At those data rates, the performance of fiberoptic communication systems is degraded significantly due to intra- and inter-channel fiber nonlinearities, polarization-mode dispersion (PMD), and chromatic dispersion. In order to deal with those channel impairments, novel advanced techniques in modulation and detection, coding and signal processing are needed. This unique book represents a coherent and comprehensive introduction to the fundamentals of optical communications, signal processing and coding for optical channels. It is the first to integrate the fundamentals of coding theory with the fundamentals of optical communication.

Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems

Author : X. Steve Yao
Publisher : John Wiley & Sons
ISBN 13 : 1119758505
Total Pages : 564 pages
Book Rating : 4.1/5 (197 download)

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Book Synopsis Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems by : X. Steve Yao

Download or read book Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems written by X. Steve Yao and published by John Wiley & Sons. This book was released on 2022-11-04 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems A practical handbook covering polarization measurement and control in optical communication and sensor systems In Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems, the authors deliver a comprehensive exploration of polarization related phenomena, as well as the methodologies, techniques, and devices used to eliminate, mitigate, or compensate for polarization related problems and impairments. The book also discusses polarization-related parameter measurement and characterization technologies in optical fibers and fiber optic devices and the utilization of polarization to solve problems or enable new capabilities in communications, sensing, and measurement systems. The authors provide a practical and hands-on treatment of the information that engineers, scientists, and graduate students must grasp to be successful in their everyday work. In addition to coverage of topics ranging from the use of polarization analysis to obtain instantaneous spectral information on light sources to the design of novel fiber optic gyroscopes for rotation sensing, Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems offers: A thorough introduction to polarization in optical fiber studies, including a history of polarization in optical fiber communication and sensor systems Comprehensive discussions of the fundamentals of polarization, including the effects unique to optical fiber systems, as well as extensive coverage Jones and Mueller matrix calculus for polarization analysis In-depth treatments of active polarization controlling devices for optical fiber systems, including polarization controllers, scramblers, emulators, switches, and binary polarization state generators Fulsome explorations of passive polarization management devices, including polarizers, polarization beam splitters/displacers, wave-plates, Faraday rotators, and depolarizers Extensive review of polarization measurement techniques and devices, including time-division, amplitude-division, and wave-front division Stokes polarimeters, as well as various Mueller matrix polarimeters for PMD, PDL, and birefringence measurements Premiere of binary polarization state analyzers and binary Mueller matrix polarimeters pioneered by the authors, including their applications for highly sensitive PMD, PDL, and birefringence measurements Comprehensive discussion on distributed polarization analysis techniques developed by the authors, including their applications in solving real world problems Detailed descriptions of high accuracy polarimetric fiber optic electric current and magnetic field sensors Perfect for professional engineers, scientists, and graduate students studying fiber optics, Polarization Measurement and Control in Optical Fiber Communication and Sensor Systems enables one to quickly grasp extensive knowledge and latest development of polarization in optical fibers and will earn a place in the libraries of professors and teachers of photonics and related disciplines.

Digital Coherent Optical Systems

Author : Darli Augusto de Arruda Mello
Publisher : Springer Nature
ISBN 13 : 3030665410
Total Pages : 238 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Digital Coherent Optical Systems by : Darli Augusto de Arruda Mello

Download or read book Digital Coherent Optical Systems written by Darli Augusto de Arruda Mello and published by Springer Nature. This book was released on 2021-03-08 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This textbook details the architecture of a digital coherent optical system and describes its main digital signal processing (DSP) algorithms. The authors first show how the combination of advanced modulation techniques, DSP and coherent detection has led to significant gains in capacity and ease of operation. The authors follow the path of the information from its generation in the transmitter, to propagation through the fiber and processing by the DSP algorithms in the receiver. The work summarizes academic results and presents them in a didactic way to students and practitioners working on the area of optical communications. A full suite of classroom materials is included for easy integration into a curriculum, containing theoretic and simulation problems, and off-the-shelf Matlab/Octave functions.

Compensation of Modal Dispersion in Multimode Fiber Systems Using Adaptive Optics Via Convex Optimization

Author : Rahul Alex Panicker
Publisher :
ISBN 13 : 9780549355779
Total Pages : 76 pages
Book Rating : 4.3/5 (557 download)

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Book Synopsis Compensation of Modal Dispersion in Multimode Fiber Systems Using Adaptive Optics Via Convex Optimization by : Rahul Alex Panicker

Download or read book Compensation of Modal Dispersion in Multimode Fiber Systems Using Adaptive Optics Via Convex Optimization written by Rahul Alex Panicker and published by . This book was released on 2007 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: We then propose fast, low-complexity adaptive algorithms for optimizing the SLM settings. We show that some of these converge to the global optimum in the absence of noise. We also propose modified versions of these algorithms to improve resilience to noise and speed of convergence.