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arXiv 0709.2280quant-ph
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optical fibers中有效压缩的Raman诱导极限

Raman-induced limits to efficient squeezing in optical fibers

Ruifang Dong, Joel Heersink, Joel F. Corney, Peter D. Drummond, Ulrik L. Andersen, Gerd Leuchs

摘要:

我们报道了利用超短光脉冲通过双折射光纤进行偏振压缩的新实验。我们测量了据我们所知在光纤中的-6.8 +/-0.3dB的记录压缩,当校正线性损耗时为-10.4 +/-0.8dB。测量的偏振压缩作为光脉冲能量的函数,范围从3.5-178.8 pJ,显示出非常好的协议与量子模拟,我们第一次看到的实验证明,拉曼效应限制和减少压缩在高脉冲能量。

英文摘要:

We report new experiments on polarization squeezing using ultrashort photonic pulses in a single pass of a birefringent fiber. We measure what is to our knowledge a record squeezing of -6.8 +/- 0.3 dB in optical fibers which when corrected for linear losses is -10.4 +/- 0.8 dB. The measured polarization squeezing as a function of optical pulse energy, which spans a wide range from 3.5-178.8 pJ, shows a very good agreement with the quantum simulations and for the first time we see the experimental proof that Raman effects limit and reduce squeezing at high pulse energy.

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