We propose an adaptive waveform-control approach to optimize photon-number squeezing by the nonlinear fiber spectral filtering method. More than -8–dB squeezing of the sech envelope pulse is numerically predicted when the spectral phase is modulated before the pulse is sent to a fiber. The quantum cross correlations of the photon-number fluctuation become uniformly negative when the pulse is optimally shaped.
© 2001 Optical Society of America
Masahiro Takeoka, Daisuke Fujishima, and Fumihiko Kannari, "Optimization of ultrashort-pulse squeezing by spectral filtering with the Fourier pulse-shaping technique," Opt. Lett. 26, 1592-1594 (2001)