Abstract
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 in optical fibers, which when corrected for linear losses is . The measured polarization squeezing as a function of optical pulse energy, which spans a wide range from , shows a very good agreement with the quantum simulations, and for the first time we see the proof experimentally that Raman effects limit and reduce squeezing at high pulse energy.
© 2008 Optical Society of America
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