From Quantum Cascade Lasers to Flat Optics for the Twenty-first Century PDF Download
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Author: Federico Capasso
Publisher:
ISBN: 9788822283580
Category :
Languages : en
Pages : 98
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Book Description
Author: Federico Capasso
Publisher:
ISBN: 9788822283580
Category :
Languages : en
Pages : 98
Get Book Here
Book Description
Author: Jérôme Faist
Publisher: Oxford University Press
ISBN: 0198528248
Category : Science
Languages : en
Pages : 321
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Book Description
This book describes the physics, fabrication technology, and applications of the quantum cascade laser.
Author: Louise Jumpertz
Publisher: Springer
ISBN: 3319658794
Category : Science
Languages : en
Pages : 152
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Book Description
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.
Author: Olivier Spitz
Publisher: Springer Nature
ISBN: 3030743071
Category : Science
Languages : en
Pages : 179
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Book Description
The mid-infrared domain is a promising optical domain because it holds two transparency atmospheric windows, as well as the fingerprint of many chemical compounds. Quantum cascade lasers (QCLs) are one of the available sources in this domain and have already been proven useful for spectroscopic applications and free-space communications. This thesis demonstrates how to implement a private free-space communication relying on mid-infrared optical chaos and this requires an accurate cartography of non-linear phenomena in quantum cascade lasers. This private transmission is made possible by the chaos synchronization of two twin QCLs. Chaos in QCLs can be generated under optical injection or external optical feedback. Depending on the parameters of the optical feedback, QCLs can exhibit several non-linear phenomena in addition to chaos. Similarities exist between QCLs and laser diodes when the chaotic dropouts are synchronized with an external modulation, and this effect is known as the entrainment phenomenon. With a cross-polarization reinjection technique, QCLs can generate all-optical square-waves. Eventually, it is possible to trigger optical extreme events in QCLs with tilted optical feedback. All these experimental results allow a better understanding of the non-linear dynamics of QCLs and will extend the potential applications of this kind of semiconductor lasers.
Author: Dan Botez
Publisher: Cambridge University Press
ISBN: 1108427936
Category : Science
Languages : en
Pages : 551
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Book Description
A state-of-the-art overview of this rapidly expanding field, featuring fundamental theory, practical applications, and real-life examples.
Author: Jerry Meyer
Publisher:
ISBN: 9780819487858
Category :
Languages : en
Pages : 0
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Book Description
Over 16 years have passed since the Bell Labs group headed by Federico Capasso first demonstrated the quantum cascade laser (QCL). The intervening interval has seen the QCL evolve from a barely functional scientific curiosity into a powerful technology poised to offer new capabilities to a broad spectrum of real-world applications. In assembling this special section of Optical Engineering, the dual goals have been to provide a snapshot of the cascade laser field in its adolescence, and to familiarise a wider audience of optical engineers with the far-reaching practical potential of these unique IR sources.
Author: Joseph D. Bennett
Publisher: Nova Science Publishers
ISBN: 9781536103878
Category : Heterostructures
Languages : en
Pages : 0
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Book Description
Quantum cascade lasers (QCLs) are unipolar devices with lasing occurring through transitions between quantised energy levels within the conduction band. When compared to conventional lasers (e.g. gas, liquid or solid state lasers), these new optoelectronic devices present a fundamental advantage that resides in their ability to tailor the wavelength of the emitted light via the layer thickness rather than the band gap. This book discusses different types and applications of quantum cascade lasers.
Author: William T. Arkin
Publisher: Nova Publishers
ISBN: 9781600211126
Category : Science
Languages : en
Pages : 348
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Book Description
It is expected that ongoing advances in optics will revolutionise the 21st century as they began doing in the last quarter of the 20th. Such fields as communications, materials science, computing and medicine are leaping forward based on developments in optics. This series presents leading edge research on optics and lasers from researchers spanning the globe.
Author: Dieter Meschede
Publisher: John Wiley & Sons
ISBN: 3527685499
Category : Science
Languages : en
Pages : 749
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Book Description
This new, updated and enlarged edition of the successful and exceptionally well-structured textbook features new chapters on such hot topics as optical angular momentum, microscopy beyond the resolution limit, metamaterials, femtocombs, and quantum cascade lasers. It provides comprehensive and coherent coverage of fundamental optics, laser physics, and important modern applications, while equally including some traditional aspects for the first time, such as the Collins integral or solid immersion lenses. Written for newcomers to the topic who will benefit from the author's ability to explain difficult theories and effects in a straightforward and readily comprehensible way.
Author: William T. Arkin
Publisher: Nova Publishers
ISBN: 9781600214745
Category : Technology & Engineering
Languages : en
Pages : 312
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Book Description
It is expected that advances in optics will revolutionise the 21st century as they began doing in the last quarter of the 20th. Such fields as communications, materials science, computing and medicine are leaping forward based on developments in optics. This series presents research on optics and lasers from researchers spanning the globe.
