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Optics Letters

Optics Letters


  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 15 — Aug. 1, 2006
  • pp: 2344–2346

Generation of a squeezed vacuum resonant on a rubidium D 1 line with periodically poled K Ti O P O 4

Takahito Tanimura, Daisuke Akamatsu, Yoshihiko Yokoi, Akira Furusawa, and Mikio Kozuma  »View Author Affiliations

Optics Letters, Vol. 31, Issue 15, pp. 2344-2346 (2006)

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We report the generation of a continuous-wave squeezed vacuum resonant on the Rb D 1 line ( 795 nm ) using periodically poled K Ti O P O 4 (PPKTP) crystals. With a frequency doubler and an optical parametric oscillator based on PPKTP crystals, we observed a squeezing level of 2.75 ± 0.14 dB and an antisqueezing level of + 7.00 ± 0.13 dB . This system could be utilized for demonstrating storage and retrieval of the squeezed vacuum, which is important for the ultraprecise measurement of atomic spins as well as quantum information processing.

© 2006 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

Original Manuscript: March 27, 2006
Revised Manuscript: May 8, 2006
Manuscript Accepted: May 8, 2006
Published: July 10, 2006

Takahito Tanimura, Daisuke Akamatsu, Yoshihiko Yokoi, Akira Furusawa, and Mikio Kozuma, "Generation of a squeezed vacuum resonant on a rubidium D1 line with periodically poled KTiOPO4," Opt. Lett. 31, 2344-2346 (2006)

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