Spontaneous Emission And Laser Oscillation In Microcavities PDF Download
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Author | : Yokoyama Hiroyuki |
Publisher | : CRC Press |
Total Pages | : 392 |
Release | : 2020-07-09 |
Genre | : Technology & Engineering |
ISBN | : 0429606745 |
Download Spontaneous Emission and Laser Oscillation in Microcavities Book in PDF, ePub and Kindle
In spite of the increasing importance of microcavities, device physics or the observable phenomena in optical microcavities such as enhanced or inhibited spontaneous emission and its relation with the laser oscillation has not been systematically well-described-until now. Spontaneous Emission and Laser Oscillation in Microcavities presents the basics of optical microcavities. The volume is divided into ten chapters, each written by respected authorities in their areas. The book surveys several methods describing free space spontaneous emission and discusses changes in the feature due to the presence of a cavity. The effect of dephasing of vacuum fields on spontaneous emission in a microcavity and the effects of atomic broadening on spontaneous emission in an optical microcavity are examined. The book details the splitting in transmission peaks of planar microcavities containing semiconductor quantum wells. A simple but useful way to consider the change in the spontaneous emission rate from the viewpoint of mode density alteration by wavelength-sized cavities is provided. Authors also discuss the spontaneous emission in dielectric planar microcavities. Spontaneous emission in microcavity surface emitting lasers is covered, as are the effects of electron confinement in semiconductor quantum wells, wires, and boxes also given. The volume extends the controlling spontaneous emission phenomenon to laser oscillation. Starting from the Fermi golden rule, the microcavity laser rate equations are derived, and the oscillation characteristics are analyzed. Recent progress in optical microcavity experiments is summarized, and the applicability in massively optical parallel processing systems and demands for the device performance are explored. This volume is extremely useful as a textbook for graduate and postgraduate students and works well as a unique reference for researchers beginning to study in the field.
Author | : Hiroyuki Yokoyama |
Publisher | : CRC Press |
Total Pages | : 385 |
Release | : 2020-07-09 |
Genre | : Science |
ISBN | : 0429612265 |
Download Spontaneous Emission and Laser Oscillation in Microcavities Book in PDF, ePub and Kindle
In spite of the increasing importance of microcavities, device physics or the observable phenomena in optical microcavities such as enhanced or inhibited spontaneous emission and its relation with the laser oscillation has not been systematically well-described-until now. Spontaneous Emission and Laser Oscillation in Microcavities presents the basics of optical microcavities. The volume is divided into ten chapters, each written by respected authorities in their areas. The book surveys several methods describing free space spontaneous emission and discusses changes in the feature due to the presence of a cavity. The effect of dephasing of vacuum fields on spontaneous emission in a microcavity and the effects of atomic broadening on spontaneous emission in an optical microcavity are examined. The book details the splitting in transmission peaks of planar microcavities containing semiconductor quantum wells. A simple but useful way to consider the change in the spontaneous emission rate from the viewpoint of mode density alteration by wavelength-sized cavities is provided. Authors also discuss the spontaneous emission in dielectric planar microcavities. Spontaneous emission in microcavity surface emitting lasers is covered, as are the effects of electron confinement in semiconductor quantum wells, wires, and boxes also given. The volume extends the controlling spontaneous emission phenomenon to laser oscillation. Starting from the Fermi golden rule, the microcavity laser rate equations are derived, and the oscillation characteristics are analyzed. Recent progress in optical microcavity experiments is summarized, and the applicability in massively optical parallel processing systems and demands for the device performance are explored. This volume is extremely useful as a textbook for graduate and postgraduate students and works well as a unique reference for researchers beginning to study in the field.
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Publisher | : |
Total Pages | : |
Release | : 2007 |
Genre | : |
ISBN | : |
Download Terahertz Oscillation and Stimulated Emission from Planar Microcavities Book in PDF, ePub and Kindle
In the past decades, the miniaturization in optics led to new devices with structural sizes in the range of the light wavelength, where the photonic modes are con- fined and the number of states is limited. In the smallest microcavities, i.e. micrometer sized optical resonators, the propagation of only one mode is permitted that is simultaneously amplified internally. This particularly strong enhancement of the electric field is directly related to the quality factor of the cavity. By introducing an optical dipole into a high-Q microcavity, the spontaneous emission is amplified at the cavity mode frequency enabling stimulated emission in an inverted system. Although some of theses cavity e®ects can only be understood by quantum elec- trodynamic theory, most mechanisms are accessible by classical and semi-classical approaches. In this thesis, one-dimensional planar microcavities with quality factors up to 4500 have been fabricated by physical vapor deposition of dielectric thin films and organic active materials. A new cavity design based on anisotropic dielectric mirrors grown by oblique angle deposition microcavities with two energetically shifted orthogonally polarized modes is presented. The application of these anisotropic structures for terahertz di®erence signal generation is demonstrated in spectrally and time resolved transmission experiments, where optical beats with repetition rates in the terahertz range are observed. Optically pumped organic vertical cavity surface emitting lasers (VCSELs) have been realized by applying an organic solid state laser compound and high reflectance distributed Bragg reflectors. These lasers combine a very low laser threshold with small beam divergence and good stability. A transfer of the anisotropic design towards an organic VCSEL results in the generation of two perpendicularly polarized laser modes with a splitting adjustable by the fabrication conditions. The observation of an oscillation of two laser modes in a photomix.
Author | : Kerry Vahala |
Publisher | : World Scientific |
Total Pages | : 524 |
Release | : 2004 |
Genre | : Science |
ISBN | : 9789812565730 |
Download Optical Microcavities Book in PDF, ePub and Kindle
Optical microcavities are structures that enable confinement of lightto microscale volumes. The universal importance of these structureshas made them indispensable to a wide range of fields. This importantbook describes the many applications and the related physics, providing both a review and a tutorial of key subjects by leadingresearchers from each field
Author | : S. Miyata |
Publisher | : Elsevier |
Total Pages | : 555 |
Release | : 2012-12-02 |
Genre | : Science |
ISBN | : 0444596747 |
Download Nonlinear Optics Book in PDF, ePub and Kindle
The field of nonlinear optics developed gradually with the invention of lasers. After the discovery of second-harmonic generation in quartz, many other interesting nonlinear optical processes were rapidly discovered. Simultaneously theoretical programmes for the understanding of nonlinear optical phenomena were stimulated in accordance to develop structure-property relationships. In the beginning, research advances were made on inorganic ferroelectric materials followed by semiconductors. In the 1970's, the importance of organic materials was realised because of their nonlinear optical responses, fast optical response, high laser damage thresholds, architectural flexibility, and ease of fabrication. At present materials can be classified into three categories - inorganic ferroelectrics, semiconductors, and organic materials. Advances have also been made in quantum chemistry approaches to investigate nonlinear optical susceptibilities and in the development of novel nonlinear optical devices. Generally, inorganic and organic nonlinear optical materials and their related optical processes are reported in separate meetings. This book collects for the first time papers covering the recent developments and areas of present research in the field of nonlinear optical materials.
Author | : Zhe Chuan Feng |
Publisher | : CRC Press |
Total Pages | : 318 |
Release | : 1993-01-01 |
Genre | : Science |
ISBN | : 9780750301800 |
Download Semiconductor Interfaces, Microstructures and Devices Book in PDF, ePub and Kindle
A semiconductor interface is the contact between the semiconductor itself and a metal. The interface is a site of change, and it is imperative to ensure that the semiconducting material is sealed at this point to maintain its reliability. This book examines various aspects of interfaces, showing how they can affect microstructures and devices such as infrared photodetectors (as used in nightsights) and blue diode lasers. It presents various techniques for examining different types of semiconductor material and suggests future potential commercial applications for different semiconductor devices. Written by experts in their fields and focusing on metallic semiconductors (Cadmium Telluride and related compounds), this comprehensive overview of recent developments is an essential reference for those working in the semiconductor industry and provides a concise and comprehensive introduction to those new to the field.
Author | : Richard K Chang |
Publisher | : World Scientific |
Total Pages | : 446 |
Release | : 1996-04-12 |
Genre | : Science |
ISBN | : 9814500097 |
Download Optical Processes In Microcavities Book in PDF, ePub and Kindle
The dielectric microstructures act as ultrahigh Q factors optical cavities, which modify the spontaneous emission rates and alter the spatial distributions of the input and output radiation. The editors have selected leading scientists who have made seminal contributions in different aspects of optical processes in microcavities. Every attempt has been made to unify the underlying physics pertaining to microcavities of various shapes. This book begins with a chapter on the role of microcavity modes with additional chapters on how these microcavity modes affect the spontaneous and stimulated emission rates, enhance nonlinear optical processes, used in cavity-QED and chemical physics experiments, aid in single-molecule detection, influence the design of microdisk semiconductor lasers, and how deformed cavities can be treated with classical chaos theory.
Author | : Elias Burstein |
Publisher | : Springer Science & Business Media |
Total Pages | : 900 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461519632 |
Download Confined Electrons and Photons Book in PDF, ePub and Kindle
The optical properties of semiconductors have played an important role since the identification of semiconductors as "small" bandgap materials in the thinies, due both to their fundamental interest as a class of solids baving specific optical propenies and to their many important applications. On the former aspect we can cite the fundamental edge absorption and its assignment to direct or indirect transitions, many-body effects as revealed by exciton formation and photoconductivity. On the latter aspect, large-scale applications sucb as LEDs and lasers, photovoltaic converters, photodetectors, electro-optics and non-linear optic devices, come to mind. The eighties saw a revitalization of the whole field due to the advent of heterostructures of lower-dimensionality, mainly two-dimensional quantum wells, which through their enhanced photon-matter interaction yielded new devices with unsurpassed performance. Although many of the basic phenomena were evidenced through the seventies, it was this impact on applications which in turn led to such a massive investment in fabrication tools, thanks to which many new structures and materials were studied, yielding funher advances in fundamental physics.
Author | : Jagdeep Shah |
Publisher | : Springer Science & Business Media |
Total Pages | : 536 |
Release | : 2013-11-21 |
Genre | : Science |
ISBN | : 366203770X |
Download Ultrafast Spectroscopy of Semiconductors and Semiconductor Nanostructures Book in PDF, ePub and Kindle
Ultrafast spectroscopy of semiconductors and semiconductor nanostructures is currently one of the most exciting areas of research in condensed-matter physics. Remarkable recent progress in the generation of tunable femtosecond pulses has allowed direct investigation of the most fundamental dynamical processes in semiconductors. This second edition presents the most striking recent advances in the techniques of ultrashort pulse generation and ultrafast spectroscopy; it discusses the physics of relaxation, tunneling and transport dynamics in semiconductors and semiconductor nanostructures following excitation by femtosecond laser pulses.
Author | : Serge Luryi |
Publisher | : World Scientific |
Total Pages | : 426 |
Release | : 2000-08-07 |
Genre | : Technology & Engineering |
ISBN | : 9814542822 |
Download Frontiers In Electronics: From Materials To Systems, 1999 Workshop On Frontiers In Electronics Book in PDF, ePub and Kindle
The rapid pace of the electronic technology evolution compels a merger of technical areas such as low-power digital electronics, microwave power circuits, optoelectronics, etc., which collectively have become the foundation of today's electronic technology. The 1999 Workshop on Frontiers in Electronics gathered experts from academia, industry, and government agencies to review the recent exciting breakthroughs and their underlying physical mechanisms. The proceedings addresses controversial issues, provocative views, and visionary outlooks. Also included are discussions on the future trends, the directions of electronics technology and the market pulls, as well as the necessary policy and infrastructure changes.