Abstract
Both vacuum-squeezed and bright amplitude-squeezed states of light are experimentally generated from a frequency doubler with a semimonolithic Fabry–Perot configuration consisting of a type II nonlinear crystal and a concave mirror. Vacuum squeezing of and amplitude squeezing of are obtained simultaneously at a pump power of 8 mW. The two quadrature-squeezed optical fields that are generated are of identical frequency at 1080-nm wavelength and orthogonal polarization. Optimizing the input pump power by 19 mW yields as much as of maximum vacuum squeezing. The advantages of the system are its simplicity and multiple utility.
© 2005 Optical Society of America
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