Self-homodyne tomography of a laser diode

Year: 2000

Authors: Fiorentino M., Conti A., Zavatta A., Giacomelli G., Marin F.

Autors Affiliation: Univerisità di Napoli, Italy;
Univerisità di Firenze, Italy;
Univerisità di Bologna, Italy;
Istituto Nazionale di Ottica, largo E. Fermi 6, 50125 Firenze, Italy;
LENS, Firenze, Italy;
INFM unità di Napoli, Italy

Abstract: Considerable interest is growing around self-homodyne techniques. Such techniques allow one to avoid non-unitary detection efficiencies due to inefficient mode matching of the local oscillator. Galatola et al (1991 Opt. Commun. 85 95) proposed one possible scheme of self-homodyne detection of a field with a strong coherent component involving the use of a Fabry-Perot cavity with a perfectly reflecting mirror. We Extend the theory to arbitrary cavities, and we observe a remarkable agreement between the theory and the observed data. Using the same setup we performed a tomographic measure of the Wigner function of the field emitted by a laser diode.


Volume: 2 (2)      Pages from: 184  to: 189

KeyWords: Fabry-Perot interferometers; Inverse problems; Laser modes; Light emission; Mathematical transformations; Mirrors; Oscillators (electronic); Signal detection, Fabry-Perot cavities; Inverse radon transform; Mode matching; Self homodyne tomography; Wigner function, Semiconductor lasers
DOI: 10.1088/1464-4266/2/2/321

Citations: 4
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