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Squeezing at 946nm with periodically poled KTiOPO(4)
Optics Express
|June 12, 2009
Abstract:
We report generation of squeezed vacuum in sideband modes of continuous-wave light at 946nm using a periodically poled KTiOPO (4) crystal in an optical parametric oscillator. At the pump power of 250mW, we observe the squeezing level of -5.6+/- 0.1dB and the anti-squeezing level of +12.7+/- 0.1dB. The pump power dependence of the observed squeezing/anti-squeezing levels agrees with theoretically calculated values when phase fluctuation of locking is taken into account.
