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Semiconductor Raman Lasers
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Book Synopsis Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy by : Liu, Xin
Download or read book Organic Semiconductor Lasers and Tailored Nanostructures for Raman Spectroscopy written by Liu, Xin and published by KIT Scientific Publishing. This book was released on 2015-06-19 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the application of organic semiconductor distributed feedback laser as free-space excitation source in Raman spectroscopy. Surface-enhanced Raman scattering effect is exploited to improve the detection sensitivity. The SERS conditionis achiedved by using substrates consisting of gold-coated polymeric nanopillar arrays. The organic-laser-excited SERS measurements are applied to verify the concentration variation of biomolecule adenosine in aqueous solutions.
Book Synopsis Semiconductor Raman Lasers by : Ken Suto
Download or read book Semiconductor Raman Lasers written by Ken Suto and published by Artech House Optoelectronics L. This book was released on 1994 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book guides you through to a clear understanding of the development, fundamentals, operation characteristics, and application methods of semiconductor Raman lasers.
Book Synopsis Light Scattering in Semiconductor Structures and Superlattices by : D.J. Lockwood
Download or read book Light Scattering in Semiconductor Structures and Superlattices written by D.J. Lockwood and published by Springer. This book was released on 2013-12-20 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Just over 25 years ago the first laser-excited Raman spectrum of any crystal was obtained. In November 1964, Hobden and Russell reported the Raman spectrum of GaP and later, in June 1965, Russell published the Si spectrum. Then, in July 1965, the forerunner of a series of meetings on light scattering in solids was held in Paris. Laser Raman spectroscopy of semiconductors was at the forefront in new developments at this meeting. Similar meetings were held in 1968 (New York), 1971 (Paris) and 1975 (Campinas). Since then, and apart from the multidisciplinary biennial International Conference on Raman Spectroscopy there has been no special forum for experts in light scattering spectroscopy of semiconductors to meet and discuss latest developments. Meanwhile, technological advances in semiconductor growth have given rise to a veritable renaissance in the field of semiconductor physics. Light scattering spectroscopy has played a crucial role in the advancement of this field, providing valuable information about the electronic, vibrational and structural properties both of the host materials, and of heterogeneous composite structures. On entering a new decade, one in which technological advances in lithography promise to open even broader horirons for semiconductor physics, it seemed to us to be an ideal time to reflect on the achievements of the past decade, to be brought up to date on the current state-of-the-art, and to catch some glimpses of where the field might be headed in the 1990s.
Book Synopsis Raman Lasers Intracavity-pumped by Semiconductor Disk Lasers by : Daniele Carmine Parrotta
Download or read book Raman Lasers Intracavity-pumped by Semiconductor Disk Lasers written by Daniele Carmine Parrotta and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor disk lasers (SDLs) are efficient and commercially attractive devices as they can emit several Watts in continuous-wave (cw) operation, with good beam quality, low noise and great wavelength flexibility. SDL fundamental emission ranges from red to mid-infrared, while ultraviolet and other visible wavelength can be obtained via harmonic generation. This research shows that Raman conversion is an efficient way to extend the spectral coverage of well-established SDLs. The first experimental work consisted in the demonstration of a KGW Raman laser intracavity-pumped by a 1055 nm InGaAs SDL for laser emission at ~1.14 μm. This work represents the first Raman conversion of an SDL ever reported. Output power up to 0.8 W, broad wavelength tunability and cascaded Raman conversion (with low output coupling) were observed. The following experiment consisted in using synthetic single-crystal diamond as the Raman medium. In the last few years diamond has become a prominent Raman crystal as it provides high Raman gain, large Stokes shift and unrivalled thermal conductivity. A diamond Raman laser intracavity-pumped by an InGaAs SDL emitted up to 4.4 W at 1228 nm and was tuned from 1209-1256 nm. With an optical conversion efficiency exceeding 14%, this laser rivals the optical efficiencies of other cw Raman lasers and, perhaps more importantly, SDLs with direct emission at ~1.2 μm. Orange emission, with maximum output power of 1.5 W at 614 nm and wavelength tuning from 604.5-619.5 nm, was obtained via intracavity second harmonic generation in the Raman laser cavity. Raman conversion of a red-emitting GaInP SDL using a synthetic diamond crystal is also reported. As GaInP SDLs are less efficient than InGaAs SDLs, Raman threshold was more difficult to achieve, despite the Raman gain increasing for decreasing wavelengths. Nonetheless, Raman conversion in the deep red was observed, with output power of few tens of ~W, due to the low output coupling for the Raman laser, and tunable emission from 738-748 nm. This work is still at an early stage, so higher output power and enhanced laser efficiency may be achieved in future experiments.
Book Synopsis Optical Characterization of Semiconductors by : Sidney Perkowitz
Download or read book Optical Characterization of Semiconductors written by Sidney Perkowitz and published by Elsevier. This book was released on 2012-12-02 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book to explain, illustrate, and compare the most widely used methods in optics: photoluminescence, infrared spectroscopy, and Raman scattering. Written with non-experts in mind, the book develops the background needed to understand the why and how of each technique, but does not require special knowledge of semiconductors or optics. Each method is illustrated with numerous case studies. Practical information drawn from the authors experience is given to help establish optical facilities, including commercial sources for equipment, and experimental details. For industrial scientists with specific problems in semiconducting materials; for academic scientists who wish to apply their spectroscopic methods to characterization problems; and for students in solid state physics, materials science and engineering, and semiconductor electronics and photonics, this book provides a unique overview, bringing together these valuable techniques in a coherent wayfor the first time. Discusses and compares infrared, Raman, and photoluminescence methods Enables readers to choose the best method for a given problem Illustrates applications to help non-experts and industrial users, with answers to selected common problems Presents fundamentals with examples from the semiconductor literature without excessive abstract discussion Features equipment lists and discussion of techniques to help establish characterization laboratories
Book Synopsis Mode-locked Lasers: Introduction To Ultrafast Semiconductor And Fiber Lasers by : Niloy K Dutta
Download or read book Mode-locked Lasers: Introduction To Ultrafast Semiconductor And Fiber Lasers written by Niloy K Dutta and published by World Scientific. This book was released on 2024-05-21 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable book provides a comprehensive treatment of the design and application of Mode Locked Lasers and Short Pulse Generation. With the advances in semiconductor laser and fiber laser technologies in the 1980s to now, these devices have been made compact, refined, and developed for a wide range of applications including further scientific studies.Semiconductor mode-locked lasers are stable pulse sources and can be made over a range of wavelengths where laser operation is feasible. Rare earth doped fiber lasers or planar waveguides extend this range further and can provide compact pulsed sources. The principles of operation, analysis, design and fabrication of these sources are described. Recent results on high repetition rate and high-power pulse generation from these compacts sources are also described, together with current and future directions of application of these types of laser sources.Mode-Locked Lasers: Introduction to Ultrafast Semiconductor and Fiber Lasers is self-contained and unified in presentation. It can be used as an advanced text by graduate students and by practicing engineers. It is also suitable for non-experts who wish to have an overview of mode-locked lasers and pulse generation. The explanations in the book are detailed enough to capture the interest of the curious reader and complete enough to provide the necessary background to explore the subject further.
Book Synopsis Semiconductor Lasers by : Alexei Baranov
Download or read book Semiconductor Lasers written by Alexei Baranov and published by Elsevier. This book was released on 2013-04-23 with total page 671 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor lasers have important applications in numerous fields, including engineering, biology, chemistry and medicine. They form the backbone of the optical telecommunications infrastructure supporting the internet, and are used in information storage devices, bar-code scanners, laser printers and many other everyday products. Semiconductor lasers: Fundamentals and applications is a comprehensive review of this vital technology. Part one introduces the fundamentals of semiconductor lasers, beginning with key principles before going on to discuss photonic crystal lasers, high power semiconductor lasers and laser beams, and the use of semiconductor lasers in ultrafast pulse generation. Part two then reviews applications of visible and near-infrared emitting lasers. Nonpolar and semipolar GaN-based lasers, advanced self-assembled InAs quantum dot lasers and vertical cavity surface emitting lasers are all considered, in addition to semiconductor disk and hybrid silicon lasers. Finally, applications of mid- and far-infrared emitting lasers are the focus of part three. Topics covered include GaSb-based type I quantum well diode lasers, interband cascade and terahertz quantum cascade lasers, whispering gallery mode lasers and tunable mid-infrared laser absorption spectroscopy. With its distinguished editors and international team of expert contributors, Semiconductor lasers is a valuable guide for all those involved in the design, operation and application of these important lasers, including laser and telecommunications engineers, scientists working in biology and chemistry, medical practitioners, and academics working in this field. Provides a comprehensive review of semiconductor lasers and their applications in engineering, biology, chemistry and medicine Discusses photonic crystal lasers, high power semiconductor lasers and laser beams, and the use of semiconductor lasers in ultrafast pulse generation Reviews applications of visible and near-infrared emitting lasers and mid- and far-infrared emitting lasers
Book Synopsis Raman Studies of Surface Temperature in Laser-Heated Semiconductors by : A. D. Compaan
Download or read book Raman Studies of Surface Temperature in Laser-Heated Semiconductors written by A. D. Compaan and published by . This book was released on 1985 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This project explored the uses of pulsed laser Raman scattering as a technique for studying vibrational or phonon temperatures in Si with nanosecond time resolution. Raman scattering is unique in its ability to probe in a highly selective way populations of specific phonon modes. Knowledge of how phonon populations evolve in time of fundamental importance in understanding how semiconductors respond to intense laser pulses such as in pulsed laser annealing of semiconductor surfaces. This information is crucial for understanding the dynamics of rapid laser-induced melting. Raman scattering was performed with a heat/probe sequence derived from a frequency doubled Nd:YAG-laser-pumped or N2-laser-pumped dye lasers. Initial results showed low phonon populations, consistent with only a 300-400 K temperature rise after a 10 nsec heat pulse with energy sufficient to melt the Si surface. Final results, however, indicate a population rise equivalent to a 1500 + or - 300 K phonon temperature. This is consistent with normal 1685 K melting temperature of Si. These results were confirmed in second order Raman scattering with 150 nsec pulses from a 10 kHz frequency-doubled Nd:YAG laser. Thus we measure melting-temperature phonon populations in several phonon branches. Additional experiments were done to measure the optical absorption in transiently heated silicon-on-sapphire. We found absorption consistent with that of molten Si from 0.8 eV to 3.1 eV.
Book Synopsis Efficient Raman Amplifiers and Lasers in Optical Fibers and Silicon Waveguides: New Concepts by : Michael Krause
Download or read book Efficient Raman Amplifiers and Lasers in Optical Fibers and Silicon Waveguides: New Concepts written by Michael Krause and published by Cuvillier Verlag. This book was released on 2007-06-18 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, several new concepts for Raman amplifiers and lasers both in optical fibers and silicon waveguides have been developed, modeled and optimized that have the potential of increasing the performance of fiber-optic communication systems. Designs for Raman fiber lasers with improved efficiency, tunability, and output noise are analyzed. On the other hand, fundamental properties and limitations of silicon-based Raman amplifiers and lasers are investigated. Based on a newly developed comprehensive mathematical model of nonlinearly coupled wave propagation in silicon waveguides, new designs with increased efficiency are proposed.
Book Synopsis Physics of Semiconductor Devices by : K. N. Bhat
Download or read book Physics of Semiconductor Devices written by K. N. Bhat and published by Alpha Science Int'l Ltd.. This book was released on 2004 with total page 1310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contributed papers of the workshop held at IIT, Madras, in 2003.
Book Synopsis Laser Raman Spectroscopy by : Marvin Charles Tobin
Download or read book Laser Raman Spectroscopy written by Marvin Charles Tobin and published by John Wiley & Sons. This book was released on 1971-07-16 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nature of the raman effects. Experimental methods. The interpretation of raman spectra. Some recent applications of laser raman spectroscopy.
Book Synopsis Semiconductor Processing and Characterization with Lasers, Applications in Photovoltaics by : M. Brieger
Download or read book Semiconductor Processing and Characterization with Lasers, Applications in Photovoltaics written by M. Brieger and published by . This book was released on 1995 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lasers are playing an increasingly important role in various fields of semiconductor and device technology. Of special significance is their contribution to the advanced technologies that are needed for economic solutions in photovoltaics. There, lasers are used in processing and characterization of photovoltaic materials, solar cells and module technology.
Book Synopsis Silicon Photonics by : M. Jamal Deen
Download or read book Silicon Photonics written by M. Jamal Deen and published by John Wiley & Sons. This book was released on 2012-03-30 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: The creation of affordable high speed optical communications using standard semiconductor manufacturing technology is a principal aim of silicon photonics research. This would involve replacing copper connections with optical fibres or waveguides, and electrons with photons. With applications such as telecommunications and information processing, light detection, spectroscopy, holography and robotics, silicon photonics has the potential to revolutionise electronic-only systems. Providing an overview of the physics, technology and device operation of photonic devices using exclusively silicon and related alloys, the book includes: Basic Properties of Silicon Quantum Wells, Wires, Dots and Superlattices Absorption Processes in Semiconductors Light Emitters in Silicon Photodetectors , Photodiodes and Phototransistors Raman Lasers including Raman Scattering Guided Lightwaves Planar Waveguide Devices Fabrication Techniques and Material Systems Silicon Photonics: Fundamentals and Devices outlines the basic principles of operation of devices, the structures of the devices, and offers an insight into state-of-the-art and future developments.
Book Synopsis Raman Spectroscopy and Applications by : Khan Maaz
Download or read book Raman Spectroscopy and Applications written by Khan Maaz and published by BoD – Books on Demand. This book was released on 2017-02-15 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: Raman spectroscopy has a number of applications in various fields including material science, physics, chemistry, biology, geology, and medicine. This book illustrates necessary insight and guidance in the field of Raman spectroscopy with detailed figures and explanations. This presents deep understanding of new techniques from basic introduction to the advance level for scientists and engineers. The chapters cover all major aspects of Raman spectroscopy and its application in material characterization with special emphasis on both the theoretical and experimental aspects. This book is aimed to provide solid foundation of Raman spectroscopy to the students, scientists, and engineers working in various fields as mentioned above.
Book Synopsis Semiconductor Nanolasers by : Qing Gu
Download or read book Semiconductor Nanolasers written by Qing Gu and published by Cambridge University Press. This book was released on 2017-02-16 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique resource explains the fundamental physics of semiconductor nanolasers, and provides detailed insights into their design, fabrication, characterization, and applications. Topics covered range from the theoretical treatment of the underlying physics of nanoscale phenomena, such as temperature dependent quantum effects and active medium selection, to practical design aspects, including the multi-physics cavity design that extends beyond pure electromagnetic consideration, thermal management and performance optimization, and nanoscale device fabrication and characterization techniques. The authors also discuss technological applications of semiconductor nanolasers in areas such as photonic integrated circuits and sensing. Providing a comprehensive overview of the field, detailed design and analysis procedures, a thorough investigation of important applications, and insights into future trends, this is essential reading for graduate students, researchers, and professionals in optoelectronics, applied photonics, physics, nanotechnology, and materials science.
Book Synopsis Novel In-plane Semiconductor Lasers by :
Download or read book Novel In-plane Semiconductor Lasers written by and published by . This book was released on 2007 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Peter E. Andersen Publisher :Institution of Engineering and Technology ISBN 13 :1785612727 Total Pages :472 pages Book Rating :4.7/5 (856 download)
Book Synopsis Semiconductor Lasers and Diode-based Light Sources for Biophotonics by : Peter E. Andersen
Download or read book Semiconductor Lasers and Diode-based Light Sources for Biophotonics written by Peter E. Andersen and published by Institution of Engineering and Technology. This book was released on 2018-10 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiconductor lasers are small, reliable, low cost, high-performance and user-friendly optical devices which make them highly suitable for a variety of biomedical applications. This edited book gathers experts in the field to cover the fundamentals and technology advances of semiconductor lasers and diode-based lasers with a focus on their applications in medical optics and biophotonics including edge-emitting semiconductor lasers and light emitting diodes, Q-switched and mode-locked lasers, quantum cascade lasers, semiconductor disk lasers, near-infrared spectroscopy systems for biomedical applications, bio-medical Raman spectroscopy, nonlinear imaging and optical coherence tomography.