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Download or read book Hybrid Raman/Erbium-Doped Fiber Amplifier for High Speed OFDM Long-Reach Passive Optical Network System written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hybrid Raman/Erbium-Doped Fiber Amplifier for High Speed OFDM Long-Reach Passive Optical Network System Employing Avalanche Photodiode and Artificial Neural Network written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammad N. Islam
Publisher : Springer
ISBN 13 : 0387215832
Total Pages : 325 pages
Book Rating : 4.3/5 (872 download)
Download or read book Raman Amplifiers for Telecommunications 1 written by Mohammad N. Islam and published by Springer. This book was released on 2007-06-30 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three sections include extensive background on Raman physics, descriptions of sub-systems and modules utilizing Raman technology, and a review of current state-of-the-art systems. Technologies presented include applications for long-haul and ultra-long-haul submarine, terrestrial, soliton, and high-speed systems. This book will be a resource for scientists and optical engineers in optoelectronics, fiber optics, telecommunication, and optical networks.
Author : John Zyskind
Publisher : Academic Press
ISBN 13 : 0080960987
Total Pages : 483 pages
Book Rating : 4.0/5 (89 download)
Download or read book Optically Amplified WDM Networks written by John Zyskind and published by Academic Press. This book was released on 2011-01-26 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the advent of wavelength routing and dynamic, reconfigurable optical networks, new demands are being made in the design and operation of optical amplifiers. This book provides, for the first time, a comprehensive review of optical amplifier technology in the context of these recent advances in the field. It demonstrates how to manage the trade-offs between amplifier design, network architecture and system management and operation. The book provides an overview of optical amplifiers and reconfigurable networks before examining in greater detail the issues of importance to network operators and equipment manufacturers, including 40G and 100G transmission. Optical amplifier design is fully considered, focusing on fundamentals, design solutions and amplifier performance limitations. Finally, the book discusses other emerging applications for optical amplifiers such as optical networks for high data rate systems, free space systems, long single span links and optical digital networks. This book will be of great value to R&D engineers, network and systems engineers, telecommunications service providers, component suppliers, industry analysts, network operators, postgraduate students, academics and anyone seeking to understand emerging trends in optical networks and the consequent changes in optical amplifier design, features and applications. Provides an in depth and focused review of the new reconfigurable network architecture and its impact on optical amplifiers Addresses 40G and 100G transmission and networking Written by experts in the field with deep technical knowledge and practical experience of commercial practice and concerns
Author : Clifford Headley
Publisher : Academic Press
ISBN 13 : 0120445069
Total Pages : 389 pages
Book Rating : 4.1/5 (24 download)
Download or read book Raman Amplification in Fiber Optical Communication Systems written by Clifford Headley and published by Academic Press. This book was released on 2005 with total page 389 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mitigate signal loss and upgrade fiber capacity with the first comprehensive guide to Raman amplification!
Author : Mohammad N. Islam
Publisher : Springer
ISBN 13 : 0387215859
Total Pages : 457 pages
Book Rating : 4.3/5 (872 download)
Download or read book Raman Amplifiers for Telecommunications 2 written by Mohammad N. Islam and published by Springer. This book was released on 2007-06-04 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited monograph is written by leading experts in this area and is the first book entirely devoted to Raman amplification. Three sections include extensive background on Raman physics, descriptions of sub-systems and modules utilizing Raman technology, and a review of current state-of-the-art systems.
Author :
Publisher :
ISBN 13 : 9788038721586
Total Pages : 0 pages
Book Rating : 4.7/5 (215 download)
Download or read book Raman Amplifiers for Telecommunications written by and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: There has been a revived interest in Raman amplification due to the availability of high pump powers and improvements in small core size fibers. Two general categories of Raman amplifiers exist: distributed and discrete, also known as DRAs. They improve the noise figure and reduce the nonlinear penalty of the amplifier, allowing for longer amplifiers spans, higher bit rates, closer channel spacings, and operation near the zero dispersion wavelength. DRAs are already becoming commonplace in most long-haul networks. Consequently, Raman amplifiers should see a wide range of deployment in the next few years. This edited monograph is written by leading experts in this area and is the first book entirely devoted to Raman amplification. Three sections include extensive background on Raman physics, descriptions of sub-systems and modules utilizing Raman technology, and a review of current state-of-the-art systems. Technologies presented include applications for long-haul and ultra-long-haul submarine, terrestrial, soliton, and high-speed systems. This book will be a resource for scientists and optical engineers in optoelectronics, fiber optics, telecommunication, and optical networks.
Download or read book A High-Speed OFDM Long-Reach Passive Optical Network System Employing PAPR Reduction Techniques written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Md Zaini Jamaludin
Publisher :
ISBN 13 :
Total Pages : 374 pages
Book Rating : 4.:/5 (975 download)
Download or read book Design and Analysis of a Highly Sensitive Hybrid Dispersion- Compensated Erbium-doped Fiber Amplifier written by Md Zaini Jamaludin and published by . This book was released on 2009 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical amplifiers have a great impact on optical communications due to their ability to amplify light along the optical path. Thus optical amplifiers have become indispensable components in high-performance optical communication links. However, while optical amplifiers are effective in mitigating link power loss problems, they are conventionally unusable and irrelevant for another major fiber optic transmission which is dispersion. Compensation of dispersion is a necessity in high speed and/or long distance links. This is separately achieved by use of a dispersion compensator which is either of fiber optics based or fiber Bragg grating based. Thus there is clear need for an integrated system which can achieve both important functions at the same time. New designs have been envisaged and achieved in this thesis. It has shown a great enhancement in performing simultaneous function in amplifying the power as well as compensating the dispersion of the signal (Hybrid). The double-pass erbium-doped fiber amplifier (EDFA) with embedded chirped fiber Brag grating and as well as other filtering technique (optical Bragg grating) have been demonstrated and investigated. It is shown through simulations and by the hardware implementation that the new design is significantly better than that of existing double pass amplifier and double pass amplifier with tunable filter. There are two levels of tests carried out in this study; device level and system (transmission) level. At the device level, the performance parameters of the new configurations are thoroughly characterized showing improvement in gain, noise figure, and the output power, considering the effects of pump power, input signal level, and input signal wavelength. The device configuration is based on double-pass amplification with a Bragg grating employed as the reflector. The grating also serves as a filter suppressing the Amplified Spontaneous Noise from the signal. At the system level, the performance parameters investigated are power sensitivity, power penalty, signal-to-noise ratio (SNR), eye amplitude, eye opening and jitter which all see a level of improvements, based on Wavelength Division Multiplexing (WDM) system. A gain as high as 53.4dB, a noise figure of as low as 5.36dB, and sensitivity of -40dBm have been achieved at the BER of 10-12 for the transmission speed of 2.5Gbps. The new hybrid amplifier provides power gain improvement of 12.5 dB and 8.4 dB for single and multi channel system. The power penalty incurred by the new hybrid amplifier for single and multi channel system are 3.5 dB and 3.2 dB respectively. Comparisons are made against the conventional double pass amplifiers and back-to-back connection.
Author : Albert Guillén i Fàbregas
Publisher : Now Publishers Inc
ISBN 13 : 1601981902
Total Pages : 170 pages
Book Rating : 4.6/5 (19 download)
Download or read book Bit-Interleaved Coded Modulation written by Albert Guillén i Fàbregas and published by Now Publishers Inc. This book was released on 2008 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bit-Interleaved Coded Modulation is a comprehensive study of the subject, providing a comprehensive review of one of the most important coding schemes in modern communication systems.
Author :
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (15 download)
Download or read book Comparison of the Noise Penalty of a Raman Amplifier Versus an Erbium-doped Fiber Amplifier for Long-haul Analog Fiber-optic Links written by and published by . This book was released on 2008 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: A Raman amplifier is compared to an erbium-doped fiber amplifier for a 14 km analog fiber-optic link requiring the amplifier pump at the end of the link. The noise penalty for each amplifier at a given photocurrent is measured and compared. An analytical expression comparing the analog metrics as a function of noise penalty and photocurrent for different amplifiers is derived and used. The Raman amplifier has a lower noise penalty performance for a long-haul analog fiber-optic link versus an erbium-doped fiber amplifier placed at the end of the link. The best compromise comes from a hybrid amplifier, which combines the Raman amplifier with the erbium-doped fiber amplifier and offers the best RF performance while taking only a minimal penalty on the RF noise figure and spurious free dynamic range.
Download or read book High Loss Budget and High Capacity Employing Self-phase Modulation in Long-reach Passive Optical Networks OFDM System written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. L. Zhang
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (228 download)
Download or read book Optimized Nonregenerative Repeater Using Cascaded Erbium-Doped and Raman Fiber Amplifier written by S. L. Zhang and published by . This book was released on 1992 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fiber-based optical amplifiers such as the erbium-doped fiber amplifier(EDFA) and Raman fiber amplifier (RFA) offer the attraction of high gain, low coupling loss and polarization insensitivity. Hence their use in combination to form a nonregenerative repeater(NRR) deserves consideration. This paper provides a theoretical analysis and gain optimization for this form of NRR. This arrangement is found to provide higher gain than either an EDFA or a RFA repeater alone and offer the potential of extending the NRR span to over 300 km.
Author : Puneit Dua
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (119 download)
Download or read book Er/yb Co-doped Double Clad Fiber Amplifier, Its Applications and Effects in Fiber Optic Communication Systems written by Puneit Dua and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased demand for larger bandwidth and longer inter-amplifiers distances translates to higher power budgets for fiber optic communication systems in order to overcome large splitting losses and achieve acceptable signal-to-noise ratios. Due to their unique design ytterbium sensitized erbium doped, double clad fiber amplifiers; offer significant increase in the output powers that can be obtained. In this thesis we investigate, a one-stage, high power erbium and ytterbium co-doped double clad fiber amplifier (DCFA) with output power of 1.4W, designed and built in our lab. Experimental demonstration and numerical simulation techniques have been used to systematically study the applications of such an amplifier and the effects of incorporating it in various fiber optic communication systems. Amplitude modulated subcarrier multiplexed (AM-SCM) CATV distribution experiment has been performed to verify the feasibility of using this amplifier in an analog/digital communication system. The applications of the amplifier as a Fabry-Perot and ring fiber laser with an all-fiber cavity, a broadband supercontinuum source and for generation of high power, short pulses at 5GHz have been experimentally demonstrated. A variety of observable nonlinear effects occur due to the high intensity of the optical powers confined in micron-sized cores of the fibers, this thesis explores in detail some of these effects caused by using the high power Er/Yb double clad fiber amplifier. A fiber optic based analog/digital CATV system experiences composite second order (CSO) distortion due to the interaction between the gain tilt—the variation of gain with wavelength, of the doped fiber amplifier and the wavelength chirp of the directly modulated semiconductor laser. Gain tilt of the Er/Yb co-doped fiber amplifier has been experimentally measured and its contribution to the CSO of the system calculated. Theoretical analysis of a wavelength division multiplexed system with closely spaced channels has been carried out to show that crosstalk can occur due to the four-wave mixing products generated inside the high power Er/Yb DCFA. A model for parametric amplification due to four-wave mixing has been developed and used to analyze its application for short pulse generation and high speed optical time division multiplexing.
Author : Hongseok Shin
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.E/5 ( download)
Download or read book Erbium-Doped Fiber Amplifier Gain Module Performance and Characteristic Analysis written by Hongseok Shin and published by . This book was released on 1997 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Belal Ahmed G. Allah Hamida
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (957 download)
Download or read book Development of an Enhanced Wide-band Erbium Doped Fiber Amplifier Using High Concentration Active Medium written by Belal Ahmed G. Allah Hamida and published by . This book was released on 2013 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the point-to-point transmission an optical signal suffers mainly from attenuation and dispersion. The ongoing research has been focusing on containing this issue by proposing innovative designs in order to provide for an element compensating these effects. This research work focuses on the development of a new design of wide band high concentration optical amplifier. It suggests compensating for attenuation and dispersion both using the same technique. It consists of two stages of 1.5m and 9m long Erbium-Doped Fiber (EDF) optimized to operate in C-band and L-band, respectively. Further, a Chirped Fiber Bragg grating (CFBG) is used in each section to reflect the amplified signal back to the active area so that the overall gain spectrum can be enhanced over a wider frequency spectrum. Using a semi-analytical model (GainMaster), is suggested to verify the proposed design. A numerical model is carried out to implement the energy rate equations for the erbium ions population inversions. In addition, an extensive work has been carried out to implement this design experimentally. The experimental results show that the proposed amplifier gives a wider (1540nm to 1610m) flat high gain (22dB) with variation of ±3dB and low noise figure less than (6.5dB) at low input signal power (-30dBm) . Though solved by CFBG partially, this work has not carried out a quantified exploration of issues related to dispersion, mainly due to unavailability properly characterized equipment. Also an extensive work has been carried out to evaluate the performance of the proposed amplifier by comparing the performance against other available amplifiers. The performance shows that the band width 5nm higher than the existing amplifier with low noise figure about 7dB and gain flatness about 70nm which is higher than the other two amplifiers by 30dm.
Author : Dan N. Chen
Publisher :
ISBN 13 :
Total Pages : 272 pages
Book Rating : 4.:/5 (362 download)
Download or read book Erbium-doped Fiber Amplifiers and Their System and Network Applications written by Dan N. Chen and published by . This book was released on 1994 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
