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Proceedings Paper

Carrier recovery and filtering in optical BPSK systems using external cavity semiconductor lasers
Author(s): Joao Jose De Oliveira Pires; Jose Rodriguez daRocha
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Paper 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.

Paper Details

Date Published: 1 January 1991
PDF: 10 pages
Proc. SPIE 1372, Coherent Lightwave Communications: Fifth in a Series, (1 January 1991); doi: 10.1117/12.24915
Show Author Affiliations
Joao Jose De Oliveira Pires, Technical Univ. of Lisbon (Portugal)
Jose Rodriguez daRocha, Univ. de Aveiro (Portugal)


Published in SPIE Proceedings Vol. 1372:
Coherent Lightwave Communications: Fifth in a Series
Harish R. Sunak; Roger C. Steele, Editor(s)

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