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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 8 — Aug. 1, 2001
  • pp: 1189–1195

Transverse Fourier analysis of squeezed light in diode lasers

Carlos L. Garrido Alzar, Silvia M. de Paula, Marcelo Martinelli, Ricardo J. Horowicz, Antonio Z. Khoury, and Geraldo A. Barbosa  »View Author Affiliations


JOSA B, Vol. 18, Issue 8, pp. 1189-1195 (2001)
http://dx.doi.org/10.1364/JOSAB.18.001189


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Abstract

The transverse properties of squeezed light are studied for a number-squeezed edge diode laser working in an external-cavity configuration. Light noise is analyzed as a function of the transverse wave vector transmitted by a single slit at the focal plane of a short focal lens. Noise measurements obtained by opening the slit centered at the kx=0 position show a minimum squeezing at the slit center that increases up to the full-beam noise-compression. Noise is also measured by displacing a single slit of fixed width at the focal plane. The results of this wave-vector dependence are compared with a theory in which the slit is treated as a beam splitter for the incoming Hermite–Gaussian laser beam. A summation of the noise contributions at each wave vector cannot give the obtained result with the slit being open, which indicates a possible noise correlation of light with distinct wave vectors.

© 2001 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(270.0270) Quantum optics : Quantum optics
(270.1670) Quantum optics : Coherent optical effects
(270.2500) Quantum optics : Fluctuations, relaxations, and noise
(270.6570) Quantum optics : Squeezed states

Citation
Carlos L. Garrido Alzar, Silvia M. de Paula, Marcelo Martinelli, Ricardo J. Horowicz, Antonio Z. Khoury, and Geraldo A. Barbosa, "Transverse Fourier analysis of squeezed light in diode lasers," J. Opt. Soc. Am. B 18, 1189-1195 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-8-1189

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