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  • Analysis of thermal limitations in high-speed microcavity saturable absorber all-optical switching gates

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    Author(s)
    Massoubre, David
    Oudar, J.-L.
    O'Hare, Arthur
    Gay, Mathilde
    Bramerie, Laurent
    Simon, Jean-Claude
    Shen, Alexandre
    Decobert, Jean
    Griffith University Author(s)
    Massoubre, David
    Year published
    2006
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    Abstract
    The limitations owing to device heating and thermo-optic effects in high-speed quantum-well microcavity saturable absorber devices are investigated both theoretically and experimentally. A simplified theoretical description of the device electronic, thermal, and optical properties is developed and applied to the modeling of the device switching characteristics for reamplification + reshaping step (2R) all-optical regeneration. These predictions are compared to nonlinear optical measurements performed with switching pulses of fixed duration and variable repetition rate on two devices with significantly different thermal ...
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    The limitations owing to device heating and thermo-optic effects in high-speed quantum-well microcavity saturable absorber devices are investigated both theoretically and experimentally. A simplified theoretical description of the device electronic, thermal, and optical properties is developed and applied to the modeling of the device switching characteristics for reamplification + reshaping step (2R) all-optical regeneration. These predictions are compared to nonlinear optical measurements performed with switching pulses of fixed duration and variable repetition rate on two devices with significantly different thermal properties. It is shown that proper optimization of the device thermal properties is crucial to avoid the degradation of device performance at high bit rate. It is also shown that the negative effects of optically induced heating on the switching contrast may be compensated to some extent by operating the device on the long wavelength side of the microcavity resonance.
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    Journal Title
    JOURNAL OF LIGHTWAVE TECHNOLOGY
    Volume
    24
    Issue
    9
    DOI
    https://doi.org/10.1109/JLT.2006.879502
    Copyright Statement
    © 2006 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subject
    Photonics, Optoelectronics and Optical Communications
    Optical Physics
    Electrical and Electronic Engineering
    Communications Technologies
    Publication URI
    http://hdl.handle.net/10072/62264
    Collection
    • Journal articles

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