We discuss the possibility of generating noncritical quadrature squeezing by spontaneous polarization symmetry breaking. We first consider Type II frequency-degenerate optical parametric oscillators but discard them for a number of reasons. Then we propose a four-wave-mixing cavity, in which the polarization of the output mode is always linear but has an arbitrary orientation. We show that in such a cavity, complete noise suppression in a quadrature of the output field occurs, irrespective of the parameter values.
© 2010 Optical Society of America
Original Manuscript: March 19, 2010
Manuscript Accepted: May 2, 2010
Published: June 23, 2010
Ferran V. Garcia-Ferrer, Carlos Navarrete-Benlloch, Germán J. de Valcárcel, and Eugenio Roldán, "Noncritical quadrature squeezing through spontaneous polarization symmetry breaking," Opt. Lett. 35, 2194-2196 (2010)