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Optics Letters

Optics Letters


  • Vol. 30, Iss. 13 — Jul. 1, 2005
  • pp: 1722–1724

3 dB squeezing by single-pass parametric amplification in a periodically poled KTiOPO4 crystal

T. Hirano, K. Kotani, T. Ishibashi, S. Okude, and T. Kuwamoto  »View Author Affiliations

Optics Letters, Vol. 30, Issue 13, pp. 1722-1724 (2005)

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We present the experimental observation of pulsed squeezed light from a degenerate optical parametric amplifier pumped by a second harmonic of a continuous-wave mode-locked Nd:YVO4 laser. With a single pass through a 10 mm long periodically poled KTiOPO4 crystal, the classical parametric gain of 11 is observed. The measured noise reduction in the quiet quadrature is 3.2 dB below the shot-noise level.

© 2005 Optical Society of America

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

T. Hirano, K. Kotani, T. Ishibashi, S. Okude, and T. Kuwamoto, "3 dB squeezing by single-pass parametric amplification in a periodically poled KTiOPO4 crystal," Opt. Lett. 30, 1722-1724 (2005)

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