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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 5 — Mar. 1, 2010
  • pp: 4198–4205

Generation of pulsed and continuous-wave squeezed light with 87Rb vapor

Imad H. Agha, Gaétan Messin, and Philippe Grangier  »View Author Affiliations

Optics Express, Vol. 18, Issue 5, pp. 4198-4205 (2010)

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We present experimental studies on the generation of pulsed and continuous-wave squeezed vacuum via nonlinear rotation of the polarization ellipse in a 87Rb vapor. Squeezing is observed for a wide range of input powers and pump detunings on the D1 line, while only excess noise is present on the D2 line. The maximum continuous-wave squeezing observed is -1.4 ± 0.1 dB (-2.0 dB corrected for losses). We measure -1.1 dB squeezing at the resonance frequency of the 85Rb F = 3 → F′ transition, which may allow the storage of squeezed light generated by 87Rb in a 85Rb quantum memory. Using a pulsed pump, pulsed squeezed light with -1 dB of squeezing for 200 ns pulse widths is observed at 1 MHz repetition rate.

© 2010 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

Original Manuscript: November 4, 2009
Revised Manuscript: December 26, 2009
Manuscript Accepted: January 29, 2010
Published: February 17, 2010

Imad H. Agha, Gaétan Messin, and Philippe Grangier, "Generation of pulsed and continuous-wave squeezed light with 87Rb vapor," Opt. Express 18, 4198-4205 (2010)

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