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Spin Polarised Dynamics In Solitary And Optically Injected Vertical Cavity Surface Emitting Lasers Vcsels
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Book Synopsis Spin Polarised Dynamics in Solitary and Optically-injected Vertical-cavity Surface-emitting Lasers (VCSELS) by : Ali Homayounfar
Download or read book Spin Polarised Dynamics in Solitary and Optically-injected Vertical-cavity Surface-emitting Lasers (VCSELS) written by Ali Homayounfar and published by . This book was released on 2008 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrafast Polarization Switching Dynamics in Vertical-Cavity Surface-Emitting Lasers by : Dean Richardson
Download or read book Ultrafast Polarization Switching Dynamics in Vertical-Cavity Surface-Emitting Lasers written by Dean Richardson and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of circularly polarized femtosecond laser pulses with commercial vertical-cavity surface emitting lasers (VCSELs) was studied using a pump-probe configuration in connection with an autocorrelation setup for time-resolving anticipated polarization changes in the VCSEL output. In addition, extensive theoretical modeling was performed to gain greater insights into the physical bases for output polarization in VCSELs. The objective of these efforts was to determine if VCSEL output polarization could be switched on a picosecond time scale, and if the polarization of multiple elements in a VCSEL array could be externally controlled and 'pinned' to a particular desired orientation. The theoretical modeling was completed. Experimental verification of the model could not be carried out because the VCSELs available at the time did not have high enough output power.
Book Synopsis Semiconductor Lasers by : Junji Ohtsubo
Download or read book Semiconductor Lasers written by Junji Ohtsubo and published by Springer. This book was released on 2007-10-24 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: This revised and updated edition of a highly relevant monograph describes fascinating recent progress in the field of chaos, stability, and instability of semiconductor lasers. Applications and future prospects are discussed in detail. The book emphasizes the various dynamics induced in semiconductor lasers by optical and electronic feedback, optical injection, and injection current modulation. Recent results of both theoretical and experimental investigations are presented.
Download or read book VCSELs written by Rainer Michalzik and published by Springer. This book was released on 2012-10-16 with total page 562 pages. Available in PDF, EPUB and Kindle. Book excerpt: The huge progress which has been achieved in the field is covered here, in the first comprehensive monograph on vertical-cavity surface-emitting lasers (VCSELs) since eight years. Apart from chapters reviewing the research field and the laser fundamentals, there are comprehensive updates on red and blue emitting VCSELs, telecommunication VCSELs, optical transceivers, and parallel-optical links for computer interconnects. Entirely new contributions are made to the fields of vectorial three-dimensional optical modeling, single-mode VCSELs, polarization control, polarization dynamics, very-high-speed design, high-power emission, use of high-contrast gratings, GaInNAsSb long-wavelength VCSELs, optical video links, VCSELs for optical mice and sensing, as well as VCSEL-based laser printing. The book appeals to researchers, optical engineers and graduate students.
Book Synopsis Ultrafast Polarization Switching Dynamics in Vertical-cavity Surface-emitting Lasers by : Dean Richardson
Download or read book Ultrafast Polarization Switching Dynamics in Vertical-cavity Surface-emitting Lasers written by Dean Richardson and published by . This book was released on 1998 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of circularly polarized femtosecond laser pulses with commercial vertical-cavity surface emitting lasers (VCSELs) was studied using a pump-probe configuration in connection with an autocorrelation setup for time-resolving anticipated polarization changes in the VCSEL output. In addition, extensive theoretical modeling was performed to gain greater insights into the physical bases for output polarization in VCSELs. The objective of these efforts was to determine if VCSEL output polarization could be switched on a picosecond time scale, and if the polarization of multiple elements in a VCSEL array could be externally controlled and 'pinned' to a particular desired orientation. The theoretical modeling was completed. Experimental verification of the model could not be carried out because the VCSELs available at the time did not have high enough output power.
Book Synopsis Dynamics of polarization switching in vertical-cavity surface-emitting lasers[ by : Jose Javier Córdova Morey
Download or read book Dynamics of polarization switching in vertical-cavity surface-emitting lasers[ written by Jose Javier Córdova Morey and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Picosecond Polarization Dynamics and Noise of Vertical-cavity Surface-emitting Lasers by : Ethan Lloyd Blansett
Download or read book Picosecond Polarization Dynamics and Noise of Vertical-cavity Surface-emitting Lasers written by Ethan Lloyd Blansett and published by . This book was released on 2002 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polarization Properties and Nonlinear Dynamics of Quantum Dot Lasers by : Lukasz Olejniczak
Download or read book Polarization Properties and Nonlinear Dynamics of Quantum Dot Lasers written by Lukasz Olejniczak and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis we first show our experimental results on polarization instabilities in quantum dot (QD) lasers with vertical cavity, so called VCSELs. Their characteristics are different from what is typically observed in their QW counterparts: light that is linearly polarized close to lasing threshold becomes elliptically polarized as current is increased and then a wide region of polarization mode hopping between nonorthogonal, elliptically polarized modes sets on. Within this region the average dwell time decreases by eight orders of magnitude from seconds to nanoseconds. To our best knowledge this is the first observation of such a diversified dynamics of polarization mode hopping in a single VCSEL. We have also carried out theoretical studies of optically injected QD lasers accounting for the intradot carrier dynamics through the higher-energy excited states. We show that experimentally observed excitable pulses are complemented by self-pulsations resulting from the so-called bottleneck phenomenon. Finally, we have theoretically investigated optically injected QD laser lasing simultaneously from the ground and excited states. We show that although the external light is injected to the ground state mode alone, modulation of the relaxation time induced by injected signal can provide a gain switching mechanism leading to generation of picosecond pulses from the excited state.
Book Synopsis European Quantum Electronics Conference by :
Download or read book European Quantum Electronics Conference written by and published by . This book was released on 2005 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spatially Filtered Feedback for Mode Control in Vertical-cavity Surface-emitting Lasers by :
Download or read book Spatially Filtered Feedback for Mode Control in Vertical-cavity Surface-emitting Lasers written by and published by . This book was released on 2006 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Transverse mode control of a vertical-cavity surface-emitting laser (VCSEL) is achieved by spatially filtered optical feedback. The spatial filter consisted of a pinhole, either 42 pm or 81 pm, in the 5.8x magnified VCSEL image plane of a confocal lens arrangement. The pinhole was translated to map out the voltage drop across the VCSEL from spatially-selective feedback. For low injection currents, spatially filtered feedback enabled single fundamental mode operation due to higher-order mode suppression by appropriately locating the pinhole. For higher injection currents with five laser modes, spatial selection of feedback enabled control of the relative mode intensities and wavelengths. The maximum increase in mode intensity achieved was 1.8x for the 42 pm pinhole and 2.-1 . for the 81 m pinhole. The maximum frequency shift achieved was -2.7 GHz and -7.1 GHz with the 42 p.m and the 81 pm pinholes. The spatially-selective optical feedback produced long-lived changes to the VCSEL even after the feedback was blocked - results for two separate trials where the recovery time was 38 minutes are presented (although results varied for different bias and feedback conditions).
Download or read book Optics Letters written by and published by . This book was released on 2006 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications by : Angela M. Guzmán
Download or read book 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications written by Angela M. Guzmán and published by SPIE-International Society for Optical Engineering. This book was released on 1999 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Picosecond Dynamics of Vertical Cavity Surface Emitting Lasers by : Leslie Gail Melcer
Download or read book Picosecond Dynamics of Vertical Cavity Surface Emitting Lasers written by Leslie Gail Melcer and published by . This book was released on 1990 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Control of Polarization of Vertical-cavity Surface-emitting Lasers by : Decai Sun
Download or read book Control of Polarization of Vertical-cavity Surface-emitting Lasers written by Decai Sun and published by . This book was released on 1995 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coherent Optical Fiber Communications by : T. Okoshi
Download or read book Coherent Optical Fiber Communications written by T. Okoshi and published by Springer Science & Business Media. This book was released on 1988-07-31 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Dynamics of Lasers written by C. O. Weiss and published by Wiley-VCH. This book was released on 1991 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monograph on laser dynamics, intended for those involved with laser optics, nonlinear dynamics, atomic physics, solid state physics molecular physics and spectroscopy. Subjects covered include the history of laser dynamics, theoretical models of nonlinear dynamics, and practical usage.
Book Synopsis Semiconductor Laser Engineering, Reliability and Diagnostics by : Peter W. Epperlein
Download or read book Semiconductor Laser Engineering, Reliability and Diagnostics written by Peter W. Epperlein and published by John Wiley & Sons. This book was released on 2013-01-25 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference book provides a fully integrated novel approach to the development of high-power, single-transverse mode, edge-emitting diode lasers by addressing the complementary topics of device engineering, reliability engineering and device diagnostics in the same book, and thus closes the gap in the current book literature. Diode laser fundamentals are discussed, followed by an elaborate discussion of problem-oriented design guidelines and techniques, and by a systematic treatment of the origins of laser degradation and a thorough exploration of the engineering means to enhance the optical strength of the laser. Stability criteria of critical laser characteristics and key laser robustness factors are discussed along with clear design considerations in the context of reliability engineering approaches and models, and typical programs for reliability tests and laser product qualifications. Novel, advanced diagnostic methods are reviewed to discuss, for the first time in detail in book literature, performance- and reliability-impacting factors such as temperature, stress and material instabilities. Further key features include: practical design guidelines that consider also reliability related effects, key laser robustness factors, basic laser fabrication and packaging issues; detailed discussion of diagnostic investigations of diode lasers, the fundamentals of the applied approaches and techniques, many of them pioneered by the author to be fit-for-purpose and novel in the application; systematic insight into laser degradation modes such as catastrophic optical damage, and a wide range of technologies to increase the optical strength of diode lasers; coverage of basic concepts and techniques of laser reliability engineering with details on a standard commercial high power laser reliability test program. Semiconductor Laser Engineering, Reliability and Diagnostics reflects the extensive expertise of the author in the diode laser field both as a top scientific researcher as well as a key developer of high-power highly reliable devices. With invaluable practical advice, this new reference book is suited to practising researchers in diode laser technologies, and to postgraduate engineering students.
