Carrier recovery and filtering in optical BPSK systems using external cavity semiconductor lasers

Joao Jose De Oliveira Pires; Jose Rodriguez daRocha

doi:10.1117/12.24915

1 January 1991 Carrier recovery and filtering in optical BPSK systems using external cavity semiconductor lasers

Joao Jose De Oliveira Pires, Jose Rodriguez daRocha

Proceedings Volume 1372, Coherent Lightwave Communications: Fifth in a Series; (1991) https://doi.org/10.1117/12.24915
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

An optical binary phase-shift keying (BPSK) heterodyne receiver using synchronous demodulation by means of a squaring loop carrier synchronizer is analysed. A detailed modelling of the phase error is performed taking into account the influence of additive noise and non-Lorentzian laser phase noise from external cavity semiconductor lasers. The effect of filtering on the baseband signal is also examined. It is found that the filter decreases the impact of laser phase noise namely by reducing the degradation due to relaxation oscillations.

Citation Download Citation

Joao Jose De Oliveira Pires and Jose Rodriguez daRocha "Carrier recovery and filtering in optical BPSK systems using external cavity semiconductor lasers", Proc. SPIE 1372, Coherent Lightwave Communications: Fifth in a Series, (1 January 1991); https://doi.org/10.1117/12.24915

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