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    Low-frequency fluctuations in external cavity semiconductor lasers: understanding based on a simple dynamical model 

    Prasad, Awadhesh; Lai, Ying-Cheng; Gavrielides, Athanasios; Kovanis, Vassilios (Institute of Physics, 2001-08)
    We investigate the dynamical origin of low-frequency fluctuations (LFFs) in external cavity semiconductor lasers by utilizing a simplified, three-dimensional model derived from the infinite-dimensional Lang-Kobayashi (LK) ...
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    Period three limit-cycles in injected semiconductor lasers 

    Gavrielides, Athanasios; Kovanis, Vassilios; Nizette, Michel; Erneux, Thomas; Simpson, Thomas (Institute of Physics Publishing, 2002-02)
    Experiments showing period three intensity oscillations are reported for a semiconductor laser subject to external injection. These oscillations appear close to a period doubling bifurcation of the fundamental laser ...
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    Fractal dimensions in tunneling processes and effects of environmental fluctuations 

    Kovanis, Vassilios; Grigolini, Paolo; Kenkre, V.M.; Tsironis, George (World Scientific Publishing, 1998-03)
    We study electron tunneling between two infinte potential square wells connected via an opaque barrier and find that time evolution of the probability of the presence of a Gaussian wave packet, localized initially in one ...
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    Instabilities and chaos in optically injected semiconductor lasers 

    Kovanis, Vassilios; Gavrielides, Athanasios; Simpson, Thomas; Liu, Jia-Ming (American Institute of Physics, 1995-11-06)
    We have experimentally obtained and theoretically analyzed a systematic map of the various instabilities induced in a semiconductor laser subject to strong optical injection as the amount of optical injection power and ...
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    Period-doubling route to chaos in a semiconductor laser subject to optical injection 

    Simpson, Thomas; Liu, Jia-Ming; Gavrielides, Athanasios; Kovanis, Vassilios; Alsing, Paul (American Institute of Physics, 1994-06-27)
    Experimental measurements and a single-mode analysis of a quantum-well laser diode subject to strong optical injection are combined to demonstrate that the diode follows a period-doubling route to chaos. All laser parameters ...
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    Subharmonic transition in an optically injected semiconductor laser: theory and experiments 

    Gavrielides, Athanasios; Erneux, Thomas; Kovanis, Vassilios; Alsing, Paul; Simpson, Thomas (Institute of Physics, 1997-08)
    The equations for a semiconductor laser subject to detuned optical injection are analysed using asymptotic methods. We derive a third-order equation for the phase of the laser field which is then investigated for small ...
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    Mechanism for period-doubling bifurcation in a semiconductor laser subject to optical injection 

    Erneux, Thomas; Kovanis, Vassilios; Gavrielides, Athanasios; Alsing, Paul (American Physical Society, 1996-06)
    The single-mode rate equations for a semiconductor laser subject to optical injection are investigated analytically. We determine the first branch of periodic solutions for low values of the injection field. For larger ...
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    Period-doubling cascades and chaos in a semiconductor laser with optical injection 

    Simpson, Thomas; Liu, Jia-Ming; Gavrielides, Athanasios; Kovanis, Vassilios; Alsing, Paul (American Physical Society, 1995-05)
    We characterize the nonlinear dynamics of a semiconductor laser subject to optical injection. The key characteristics of measured optical spectra are reproduced in calculations based on a single-mode model that includes ...
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    Quasiperiodic synchronization for two delay-coupled semiconductor lasers 

    Hohl-AbiChedid, Angela; Gavrielides, Athanasios; Erneux, Thomas; Kovanis, Vassilios (American Physical Society, 1999-05)
    The dynamical behavior of two mutually coupled semiconductor lasers is studied experimentally, numerically, and analytically for weak coupling. The lasers have dissimilar relaxation oscillation frequencies and intensities, ...
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    Localized synchronization in two coupled nonidentical semiconductor lasers 

    Hohl-AbiChedid, Angela; Gavrielides, Athanasios; Erneux, Thomas; Kovanis, Vassilios (American Physical Society, 1997-06-23)
    The dynamics of two mutually coupled but nonidentical semiconductor lasers are studied experimentally, numerically, and analytically for weak coupling. The lasers have dissimilar relaxation oscillation frequencies and ...
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    Kovanis, Vassilios (50)
    Gavrielides, Athanasios (45)Erneux, Thomas (21)Alsing, Paul (13)Simpson, Thomas (7)Lai, Ying-Cheng (6)Newell, Timothy (6)Nizette, Michel (5)Hohl-AbiChedid, Angela (4)Liu, Jia-Ming (4)... View MoreSubjectNonlinear dynamics (4)Semiconductor laser (3)Semiconductor lasers (3)Bifurcation (2)Coupled lasers (2)Fluctuation phenomena (2)Hopf bifurcation (2)Semiconductor arrays (2)Amplitude death (1)Amplitude modulation (1)... View MoreDate Issued2000 - 2006 (12)1991 - 1999 (38)Has File(s)No (50)

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