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IEEE Journal of Quantum Electronics

Issue 1 • Date Jan. 2004

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Displaying Results 1 - 17 of 17
  • Table of contents

    Publication Year: 2004, Page(s): 0_1
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  • IEEE Journal of Quantum Electronics Society Information

    Publication Year: 2004, Page(s): 0_2
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  • Spatial coherence and thermal lensing in broad-area semiconductor lasers

    Publication Year: 2004, Page(s):1 - 9
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (608 KB) | HTML iconHTML

    Injection profiled broad-area edge-emitting semiconductor lasers demonstrate single transverse mode operation and near-diffraction-limited beam output when driven by pulsed pump current. Thermal effects arising from CW operation induce filamentary dynamics, thus degrading the beam. Transition from the stable nonthermal to the unstable CW regime is analyzed experimentally and numerically, and techn... View full abstract»

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  • Reflectivity measurements of intracavity defects in laser diodes

    Publication Year: 2004, Page(s):10 - 17
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB) | HTML iconHTML

    A method for measuring the complex reflectivity associated with a localized defect existing inside a laser diode cavity is presented. It relies on analyzing the magnitudes of resonant peaks in the Fourier transform of a subthreshold laser spectrum. Reflectivities between 0.01 and 0.02 with zero phase have been measured in a laser with a deliberately induced scattering center produced by standard l... View full abstract»

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  • Analysis of transverse mode competition of VCSELs based on a spatially independent model

    Publication Year: 2004, Page(s):18 - 24
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB) | HTML iconHTML

    A spatially independent model of vertical-cavity surface-emitting lasers (VCSELs) is built up in this paper by integrating the spatially dependent rate equations over the cross section of the active region of a VCSEL. The transverse modal structure is presented and discussed. This model is simulated numerically with the fourth-order Runge-Kutta method in a self-consistent way. Different kinds of i... View full abstract»

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  • Numerical study of optical injection dynamics of vertical-cavity surface-emitting lasers

    Publication Year: 2004, Page(s):25 - 30
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (336 KB) | HTML iconHTML

    We study numerically the transverse-mode dynamics of a vertical-cavity surface-emitting laser with external optical injection. We consider the case in which two transverse modes with parallel polarizations are exited. Varying the strength and frequency of the injected field, we find a rich variety of complex behaviors. We show that by increasing the optical injection strength the laser does not tu... View full abstract»

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  • Theoretical analysis of wavelength conversion based on four-wave mixing in light-holding SOAs

    Publication Year: 2004, Page(s):31 - 40
    Cited by:  Papers (14)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB) | HTML iconHTML

    We propose to use an additional injection beam of short wavelength to enhance the wavelength conversion that utilizes the four-wave-mixing (FWM) effect in a semiconductor optical amplifier (SOA). With this scheme, the assist light can increase the saturation intensity without sacrificing the gain of an SOA, and this leads to an increase in conversion efficiency. A numerical method dealing with var... View full abstract»

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  • Quantum noise of actively mode-locked lasers with dispersion and amplitude/phase modulation

    Publication Year: 2004, Page(s):41 - 56
    Cited by:  Papers (25)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (504 KB) | HTML iconHTML

    A quantum theory for the noise of optical pulses in actively mode-locked lasers is presented. In the presence of phase modulation and/or group velocity dispersion, the linear operator that governs the time evolution of the pulse fluctuations inside the laser cavity is not Hermitian (or normal) and the eigenmodes of this operator are not orthogonal. As a result, the eigenmodes have excess noise and... View full abstract»

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  • Self-focusing during femtosecond micromachining of silicate glasses

    Publication Year: 2004, Page(s):57 - 68
    Cited by:  Papers (19)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1424 KB) | HTML iconHTML

    Many recent investigations of micromachining with lasers, in vacuum and in ambient air environments, have demonstrated the improvements possible when using femtosecond-duration laser pulses compared with long laser pulses. There are obvious practical advantages for rapid micromachining in ambient air conditions. However, the maximum laser intensity and repetition rate are then eventually limited b... View full abstract»

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  • Modeling of skin tissue ablation by nanosecond pulses from ultraviolet to near-infrared and comparison with experimental results

    Publication Year: 2004, Page(s):69 - 77
    Cited by:  Papers (8)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (392 KB) | HTML iconHTML

    Comprehension of biological tissue ablation by short laser pulses in a broad optical spectrum is of fundamental importance to the understanding of laser-tissue interaction and advancing surgical applications of lasers. We report a new plasma ablation model in which the chromophore ionization pathway is incorporated to explain the skin tissue ablation by nanosecond laser pulses from ultraviolet to ... View full abstract»

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  • On the performance analysis and design of an integrated front-end PIN/HBT photoreceiver

    Publication Year: 2004, Page(s):78 - 91
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (600 KB) | HTML iconHTML

    A detailed study on the performance analysis and optimum design of an integrated front-end PIN/HBT photoreceiver for fiber-optic communication is presented. Receiver circuits with two different transimpedance amplifiers-a single-stage common emitter (CE) amplifier and a three-stage amplifier comprising a CE amplifier and two emitter followers (EFs), are analyzed assuming a standard load of 50 &Ome... View full abstract»

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  • Special Issue on Sensors for the Prevention of Terrorist Acts

    Publication Year: 2004, Page(s): 92
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  • Special Issue on Senors for Industrial Process Tomography

    Publication Year: 2004, Page(s): 93
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  • Join IEEE

    Publication Year: 2004, Page(s): 94
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  • IEEE copyright form

    Publication Year: 2004, Page(s):95 - 96
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  • IEEE Journal of Quantum Electronics Information for authors

    Publication Year: 2004, Page(s): 03
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  • [Breaker page]

    Publication Year: 2004, Page(s): 0_4
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Aims & Scope

The IEEE Journal of Quantum Electronics is dedicated to the publication of manuscripts reporting novel experimental or theoretical results in the broad field of the science and technology of quantum electronics..

Full Aims & Scope

Meet Our Editors

Editor-in-Chief
Aaron R. Hawkins
Brigham Young University