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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 2 — Jan. 17, 2011
  • pp: 1051–1056

Generation of squeezed vacuum pulses at 810 nm using a 40-cm-long optical fiber

H. Nakagome, H. Ushio, Y. Itoh, and F. Kannari  »View Author Affiliations

Optics Express, Vol. 19, Issue 2, pp. 1051-1056 (2011)

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We experimentally demonstrate the generation of a squeezed vacuum pulse at 810 nm with a fiber polarization interferometer. During femtosecond laser pulse propagation through an optical fiber in the normal dispersion regime, only self-phase modulation within a short length contributes to pulse squeezing since the laser pulse is immediately broadened. Guided acoustic-wave Brillouin scattering (GAWBS) noise that increases in proportional to the fiber length is also lower with shorter fibers. Consequently, a maximum noise reduction of 2.1 dB (4.8 dB when corrected for losses) is obtained using a 40-cm-long single mode optical fiber.

© 2011 OSA

OCIS Codes
(060.7140) Fiber optics and optical communications : Ultrafast processes in fibers
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(270.6570) Quantum optics : Squeezed states
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Quantum Optics

Original Manuscript: September 13, 2010
Revised Manuscript: October 15, 2010
Manuscript Accepted: October 23, 2010
Published: January 10, 2011

H. Nakagome, H. Ushio, Y. Itoh, and F. Kannari, "Generation of squeezed vacuum pulses at 810 nm using a 40-cm-long optical fiber," Opt. Express 19, 1051-1056 (2011)

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