Squeezing induced by spontaneous rotational symmetry breaking

This communication studies the phenomenon of quadrature squeezing generated via spontaneous rotational symmetry breaking. A degenerate optical parametric oscillator (DOPO) tuned to the first family of transverse modes at the signal frequency, and having perfectly spherical mirrors. When pumped above...

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Bibliographic Details
Main Authors: Navarrete-Benlloch, C., Garcia-Ferrer, F.V., Romanelli, A., Roldan, E., de Valcarcel, G.J.
Format: Conference Proceeding
Language:English
Subjects:
Extraterrestrial measurements
Fluctuations
Frequency
Laser excitation
Local oscillators
Mirrors
Noise generators
Nonlinear optics
Optical pumping
Rotation measurement
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Summary:This communication studies the phenomenon of quadrature squeezing generated via spontaneous rotational symmetry breaking. A degenerate optical parametric oscillator (DOPO) tuned to the first family of transverse modes at the signal frequency, and having perfectly spherical mirrors. When pumped above threshold with a Gaussian beam and within a classical description, it is easy to show that a TEM 10 mode with an arbitrary orientation emerges at the subharmonic, hence breaking the rotational symmetry of the system in the transverse plane.
DOI:10.1109/CLEOE-EQEC.2009.5191593