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Noncritical generation of nonclassical frequency combs via spontaneous rotational symmetry breaking

MPG-Autoren
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Navarrete-Benlloch,  Carlos
Theory, Max Planck Institute of Quantum Optics, Max Planck Society;
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Zitation

Navarrete-Benlloch, C., Patera, G., & de Valcarcel, G. J. (2017). Noncritical generation of nonclassical frequency combs via spontaneous rotational symmetry breaking. PHYSICAL REVIEW A, 96(4): 043801. doi:10.1103/PhysRevA.96.043801.


Zitierlink: https://hdl.handle.net/21.11116/0000-0000-85A6-E
Zusammenfassung
Synchronously pumped optical parametric oscillators (SPOPOs) are optical cavities driven by mode-locked lasers, and containing a nonlinear crystal capable of down-converting a frequency comb to lower frequencies. SPOPOs have received a lot of attention lately because their intrinsic multimode nature makes them compact sources of quantum correlated light with promising applications in modern quantum information technologies. In this work we show that SPOPOs are also capable of accessing the challenging and interesting regime where spontaneous symmetry breaking confers strong nonclassical properties to the emitted light, which has eluded experimental observation so far. Apart from opening the possibility of studying experimentally this elusive regime of dissipative phase transitions, our predictions will have a practical impact, since we show that spontaneous symmetry breaking provides a specific spatiotemporal mode with large quadrature squeezing for any value of the system parameters, turning SPOPOs into robust sources of highly nonclassical light above threshold.