Temporal Characteristics of Pulsed Squeezing in a Nonlinear Optical Waveguide
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概要
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We experimentally investigate the temporal characteristics of picosecond squeezed pulses generated via an optical parametric amplification in a periodically poled MgO:LiNbO<inf>3</inf>waveguide. The noise variances for the various time delays between the squeezed pulse and a local oscillator are measured using a balanced homodyne detector. The measured delay dependence is asymmetric, and this asymmetry indicates that the phase chirping of the squeezed pulse is different from that of the local oscillator pulse. We show that the observed squeezing can be improved by using the pulse shaping of the local oscillator.
- 2013-04-25
著者
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Zhang Yun
Department Of Biomedical Engineering Key Laboratory For Biomedical Engineering Of Ministry Of Educat
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Sasaki Masahide
National Inst. Information And Communications Technol. (nict) Tokyo Jpn
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HIRANO Takuya
Department of Earth Sciences, Graduate School of Science, Chiba University
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Eto Yujiro
Department of Physics, Gakushuin University, Toshima, Tokyo 171-8588, Japan
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Koshio Akane
Department of Physics, Gakushuin University, Toshima, Tokyo 171-8588, Japan
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Ohshiro Akito
Department of Physics, Gakushuin University, Toshima, Tokyo 171-8588, Japan
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Zhang Yun
Department of Electronic Engineering, The University of Electro-Communications, Chofu, Tokyo 182-8585, Japan
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ETO Yujiro
Department of Physics, Gakushuin University
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