Polarization-insensitive FSK optical heterodyne receiver.

Mohsen Kavehrad, Bernard Glance

    Research output: Contribution to conferencePaper

    1 Citation (Scopus)

    Abstract

    A polarization-state-independent binary frequency-shift-keying (FSK) optical heterodyne receiver, realized by splitting the received signal between two orthogonal polarization axes and combining the signals after demodulation, is described. Various receiver configurations are considered using a discriminator with a limiter for applications in which received-signal-envelope fluctuations can not be ignored and, without a limiter, when the fluctuations are negligible. For applications that require the limiter, a diversity method or a variable-gain limiter that improves the performance of the limiter/discriminator receiver is proposed. Numerical results indicate that, with diversity and a limiter/discriminator structure, polarization independence can be achieved with a system performance which is nearly that of an ideal receiver. Using a discriminator without a limiter, when there is no source of envelope fluctuations other than those due to Gaussian noise, the receiver performance degradation compared to the ideal baseline receiver is 0.5 dB.

    Original languageEnglish (US)
    Pages1230-1234
    Number of pages5
    StatePublished - Dec 1 1988

    Fingerprint

    Frequency shift keying
    Limiters
    Polarization
    Discriminators
    Demodulation
    Degradation

    All Science Journal Classification (ASJC) codes

    • Engineering(all)

    Cite this

    Kavehrad, M., & Glance, B. (1988). Polarization-insensitive FSK optical heterodyne receiver.. 1230-1234.
    Kavehrad, Mohsen ; Glance, Bernard. / Polarization-insensitive FSK optical heterodyne receiver. 5 p.
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    abstract = "A polarization-state-independent binary frequency-shift-keying (FSK) optical heterodyne receiver, realized by splitting the received signal between two orthogonal polarization axes and combining the signals after demodulation, is described. Various receiver configurations are considered using a discriminator with a limiter for applications in which received-signal-envelope fluctuations can not be ignored and, without a limiter, when the fluctuations are negligible. For applications that require the limiter, a diversity method or a variable-gain limiter that improves the performance of the limiter/discriminator receiver is proposed. Numerical results indicate that, with diversity and a limiter/discriminator structure, polarization independence can be achieved with a system performance which is nearly that of an ideal receiver. Using a discriminator without a limiter, when there is no source of envelope fluctuations other than those due to Gaussian noise, the receiver performance degradation compared to the ideal baseline receiver is 0.5 dB.",
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    Kavehrad, M & Glance, B 1988, 'Polarization-insensitive FSK optical heterodyne receiver.', pp. 1230-1234.

    Polarization-insensitive FSK optical heterodyne receiver. / Kavehrad, Mohsen; Glance, Bernard.

    1988. 1230-1234.

    Research output: Contribution to conferencePaper

    TY - CONF

    T1 - Polarization-insensitive FSK optical heterodyne receiver.

    AU - Kavehrad, Mohsen

    AU - Glance, Bernard

    PY - 1988/12/1

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    N2 - A polarization-state-independent binary frequency-shift-keying (FSK) optical heterodyne receiver, realized by splitting the received signal between two orthogonal polarization axes and combining the signals after demodulation, is described. Various receiver configurations are considered using a discriminator with a limiter for applications in which received-signal-envelope fluctuations can not be ignored and, without a limiter, when the fluctuations are negligible. For applications that require the limiter, a diversity method or a variable-gain limiter that improves the performance of the limiter/discriminator receiver is proposed. Numerical results indicate that, with diversity and a limiter/discriminator structure, polarization independence can be achieved with a system performance which is nearly that of an ideal receiver. Using a discriminator without a limiter, when there is no source of envelope fluctuations other than those due to Gaussian noise, the receiver performance degradation compared to the ideal baseline receiver is 0.5 dB.

    AB - A polarization-state-independent binary frequency-shift-keying (FSK) optical heterodyne receiver, realized by splitting the received signal between two orthogonal polarization axes and combining the signals after demodulation, is described. Various receiver configurations are considered using a discriminator with a limiter for applications in which received-signal-envelope fluctuations can not be ignored and, without a limiter, when the fluctuations are negligible. For applications that require the limiter, a diversity method or a variable-gain limiter that improves the performance of the limiter/discriminator receiver is proposed. Numerical results indicate that, with diversity and a limiter/discriminator structure, polarization independence can be achieved with a system performance which is nearly that of an ideal receiver. Using a discriminator without a limiter, when there is no source of envelope fluctuations other than those due to Gaussian noise, the receiver performance degradation compared to the ideal baseline receiver is 0.5 dB.

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