Terahertz Emission By Difference Frequency Generation In Nonlinear Quantum Cascade Lasers
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Terahertz Emission By Difference Frequency Generation In Nonlinear Quantum Cascade Lasers
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Author : Frederic Demmerle
language : en
Publisher:
Release Date : 2019
Terahertz Emission By Difference Frequency Generation In Nonlinear Quantum Cascade Lasers written by Frederic Demmerle and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Mid Infrared And Terahertz Quantum Cascade Lasers
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Author : Dan Botez
language : en
Publisher: Cambridge University Press
Release Date : 2023-09-14
Mid Infrared And Terahertz Quantum Cascade Lasers written by Dan Botez and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-14 with Technology & Engineering categories.
Learn how the rapidly expanding area of mid-infrared and terahertz photonics has been revolutionized in this comprehensive overview. State-of-the-art practical applications are supported by real-life examples and expert guidance. Also featuring fundamental theory enabling you to improve performance of both existing and future devices.
Nonlinear Photonics In Mid Infrared Quantum Cascade Lasers
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Author : Louise Jumpertz
language : en
Publisher: Springer
Release Date : 2017-08-31
Nonlinear Photonics In Mid Infrared Quantum Cascade Lasers written by Louise Jumpertz and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-31 with Science categories.
This thesis presents the first comprehensive analysis of quantum cascade laser nonlinear dynamics and includes the first observation of a temporal chaotic behavior in quantum cascade lasers. It also provides the first analysis of optical instabilities in the mid-infrared range. Mid-infrared quantum cascade lasers are unipolar semiconductor lasers, which have become widely used in applications such as gas spectroscopy, free-space communications or optical countermeasures. Applying external perturbations such as optical feedback or optical injection leads to a strong modification of the quantum cascade laser properties. Optical feedback impacts the static properties of mid-infrared Fabry–Perot and distributed feedback quantum cascade lasers, inducing power increase; threshold reduction; modification of the optical spectrum, which can become either single- or multimode; and enhanced beam quality in broad-area transverse multimode lasers. It also leads to a different dynamical behavior, and a quantum cascade laser subject to optical feedback can oscillate periodically or even become chaotic. A quantum cascade laser under external control could therefore be a source with enhanced properties for the usual mid-infrared applications, but could also address new applications such as tunable photonic oscillators, extreme events generators, chaotic Light Detection and Ranging (LIDAR), chaos-based secured communications or unpredictable countermeasures.
Laser Physics And Technology
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Author : Pradeep Kumar Gupta
language : en
Publisher: Springer
Release Date : 2014-11-06
Laser Physics And Technology written by Pradeep Kumar Gupta and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-06 with Science categories.
The book, ‘Laser Physics and Technology’, addresses fundamentals of laser physics, representative laser systems and techniques, and some important applications of lasers. The present volume is a collection of articles based on some of the lectures delivered at the School on ‘Laser Physics and Technology’ organized at Raja Ramanna Centre for Advanced Technology during March, 12-30, 2012. The objective of the School was to provide an in-depth knowledge of the important aspects of laser physics and technology to doctoral students and young researchers and motivate them for further work in this area. In keeping with this objective, the fourteen chapters, written by leading Indian experts, based on the lectures delivered by them at the School, provide along with class room type coverage of the fundamentals of the field, a brief review of the current status of the field. The book will be useful for doctoral students and young scientists who are embarking on a research in this area as well as to professionals who would be interested in knowing the current state of the field particularly in Indian context.
Terahertz Sensing Technology Electronic Devices And Advanced Systems Technology
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Author : Dwight L. Woolard
language : en
Publisher: World Scientific
Release Date : 2003
Terahertz Sensing Technology Electronic Devices And Advanced Systems Technology written by Dwight L. Woolard and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Technology & Engineering categories.
The last research frontier in high frequency electronics now lies in the so-called THz (or submillimeter-wave) regime between the traditional microwave and infrared domains. Significant scientific and technical challenges within the terahertz (THz) frequency regime have recently motivated an array of new research activities. During the last few years, major research programs have emerged that are focused on advancing the state of the art in THz frequency electronic technology and on investigating novel applications of THz frequency sensing. This book serves as a detailed reference for the new THz frequency technological advances that are emerging across a wide spectrum of sensing and technology areas.
Field Effect Self Mixing Terahertz Detectors
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Author : Jiandong Sun
language : en
Publisher: Springer
Release Date : 2016-01-12
Field Effect Self Mixing Terahertz Detectors written by Jiandong Sun and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-12 with Technology & Engineering categories.
A comprehensive device model considering both spatial distributions of the terahertz field and the field-effect self-mixing factor has been constructed for the first time in the thesis. The author has found that it is the strongly localized terahertz field induced in a small fraction of the gated electron channel that plays an important role in the high responsivity. An AlGaN/GaN-based high-electron-mobility transistor with a 2-micron-sized gate and integrated dipole antennas has been developed and can offer a noise-equivalent power as low as 40 pW/Hz1/2 at 900 GHz. By further reducing the gate length down to 0.2 micron, a noise-equivalent power of 6 pW/Hz1/2 has been achieved. This thesis provides detailed experimental techniques and device simulation for revealing the self-mixing mechanism including a scanning probe technique for evaluating the effectiveness of terahertz antennas. As such, the thesis could be served as a valuable introduction towards further development of high-sensitivity field-effect terahertz detectors for practical applications.
Terahertz Technology
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Author : T. Anukiruthika
language : en
Publisher: CRC Press
Release Date : 2023-08-22
Terahertz Technology written by T. Anukiruthika and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-22 with Technology & Engineering categories.
Explores broader applications of the THz regime in the agri-food sector Describes system components, different forms of THz systems, and the working principle of THz waves for spectroscopic and imaging techniques Provides insights on future research needs for industrial implementation of THz technology Complements the knowledge of other existing non-destructive spectroscopy and imaging techniques for food analysis
Frontiers In Optics And Photonics
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Author : Federico Capasso
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2021-06-08
Frontiers In Optics And Photonics written by Federico Capasso and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-08 with Technology & Engineering categories.
This book provides a cutting-edge research overview on the latest developments in the field of Optics and Photonics. All chapters are authored by the pioneers in their field and will cover the developments in Quantum Photonics, Optical properties of 2D Materials, Optical Sensors, Organic Opto-electronics, Nanophotonics, Metamaterials, Plasmonics, Quantum Cascade lasers, LEDs, Biophotonics and biomedical photonics and spectroscopy.
Terahertz Metrology
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Author : Mira Naftaly
language : en
Publisher: Artech House
Release Date : 2015-01-01
Terahertz Metrology written by Mira Naftaly and has been published by Artech House this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-01 with Technology & Engineering categories.
This new book describes modern terahertz (THz) systems and devices and presents practical techniques for accurate measurement with an emphasis on evaluating uncertainties and identifying sources of error. This is the first THz book on the market to address measurement methodologies and issues -- perfect for practitioners and aspiring practitioners wishing to learn good measurement practice and avoid pitfalls. This book provides a brief review of different THz systems and devices, followed by chapters detailing the measurement issues encountered in using each of the main types of THz systems, and a guide to performing measurements rigorously. Particular attention is given to evaluating uncertainties, and recognizing potential sources of errors. The main focus is on time-domain spectroscopy, by far the most widely used technique. Readers are also presented with examples of applications with the emphasis on utility, both in research and in industry.
Frontiers In Electronics With Cd Rom Proceedings Of The Wofe 04
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Author : Michael S Shur
language : en
Publisher: World Scientific
Release Date : 2006-08-10
Frontiers In Electronics With Cd Rom Proceedings Of The Wofe 04 written by Michael S Shur and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-08-10 with Technology & Engineering categories.
Frontiers in Electronics reports on the most recent developments and future trends in the electronics and photonics industry. The issues address CMOS, SOI and wide band gap semiconductor technology, terahertz technology, and bioelectronics, providing a unique interdisciplinary overview of the key emerging issues.This volume accurately reflects the recent research and development trends: from pure research to research and development; and its contributors are leading experts in microelectronics, nanoelectronics, and nanophotonics from academia, industry, and government agencies.