Observation of squeezed light at 1.535 microm using a pulsed homodyne detector |
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Authors: | Eto Yujiro Tajima Takashi Zhang Yun Hirano Takuya |
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Institution: | Crest Research Team for Photonic Quantum Information, Gakushuin University, Tokyo, Japan. eto@qo.phys.gakushuin.ac.jp |
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Abstract: | Squeezed light was generated at a telecommunication wavelength via single-pass optical parametric amplification in a periodically poled MgO-doped LiNbO(3) waveguide. Classical parametric deamplification of -8.9 dB was achieved. This large magnitude of deamplification indicates that the problem of gain-induced diffraction was avoided by employing the waveguide. Squeezing of 3.2 dB was directly observed using a time-domain pulsed homodyne detector. |
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