Theoretical and Experimental Investigation on Twin Beams Generation by Non-degenerate Optical Parametric Amplifier
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Intensity difference variances of signal and idler modes from nondegenerate optical parametric amplifer (NOPA) are theoretically analyzed. The continuous wave twin beams with degenerate frequency at 1.08µm and orthogonal polarization have been generated from a double resonant NOPA. The intensity difference fluctuation between the twin beams is 3.7dB(57%) below the shot noise limit at the measurement frequency of 3MHz.
KeywordsIntensity Difference Orthogonal Polarization Idle Mode Optical Parametric Amplifier Degenerate Frequency
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