Noise-assisted binary information transmission in vertical cavity surface emitting lasers

Year: 2000

Authors: Barbay S., Giacomelli G., Marin F.

Autors Affiliation: Istituto Nazionale di Ottica Applicata and Istituto Nazionale di Fisica dellla Materia, Unità di Firenze, Largo E. Fermi 6, 50125 Firenze, Italy;
Dipartimento di Fisisica, Università di Firenze and European Laboratory for NonLinear Spectroscopy, Istituto Nazionale di Fisica dellla Materia, Unità di Firenze, Largo E. Fermi 2, 50125 Firenze, Italy

Abstract: The response of a polarization-bistable vertical cavity surface emitting laser to a small amplitude, pseudorandom binary signal is experimentally studied. A high-contrast output is obtained when the optimum amount of noise is added to the system. The quality of the transmission, measured by the bit-error rate, exhibits a resonant-like behavior as a function of the input noise. We analyze possible applications of this transmission scheme to optical communications and compare it with those used in a standard amplitude modulation scheme. (C) 2000 Optical Society of America OCIS codes: 250.7260, 060.4510.

Journal/Review: OPTICS LETTERS

Volume: 25(15)      Pages from: 1095  to: 1097

KeyWords: POLARIZATION COMPETITION; VCSELS; RESONANCE; DYNAMICS;
DOI: 10.1364/OL.25.001095

Citations: 11
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