Multimode non-classical light generation through the OPO threshold

Abstract

We show that an Optical Parametric Oscillator which is simultaneously resonant for several modes, either spatial or temporal, generates both below and above threshold a multimode non-classical state of light consisting of squeezed vacuum states in all the non-oscillating modes. We confirm this prediction by an experiment dealing with the degenerate TEM${}_{01}$ and TEM${}_{10}$ modes. We show the conservation of non-classical properties when the threshold is crossed. The experiment is made possible by the implementation of a new method to lock the relative phase of the pump and the injected beam.

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• Building a large-scale quantum computer with continuous-variable optical technologies
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• Continuous Variable Cluster State Generation over the Optical Spatial Mode Comb
• Quantum coherent control of highly multipartite continuous-variable entangled states by tailoring parametric interactions
• Direct generation of a multi-transverse mode non-classical state of light
• Optimal mode configuration for multiple phase-matched four-wave mixing processes
• Spatiotemporal graph states from a single optical parametric oscillator
• Higher Order Mode Entanglement in a Type II Optical Parametric Oscillator
• Why a hole is like a beam splitter--a general diffraction theory for multimode quantum states of light
• Single-mode squeezing in arbitrary spatial modes
• Noncritical generation of nonclassical frequency combs via spontaneous rotational symmetry breaking
• Robust squeezed light against mode mismatch using a self imaging optical parametric oscillator
• Gouy-phase effects in the frequency combs of an optical parametric oscillator
• Impact of anisotropy on the noncritical squeezing properties of two-transverse-mode optical parametric oscillators
• Large-scale multipartite entanglement in the quantum optical frequency comb of a depleted-pump optical parametric oscillator
• Spatial fluctuations in an optical parametric oscillator below threshold with an intracavity photonic crystal
• Quantum correlated pulses from a synchronously pumped optical parametric oscillator operating above threshold
• Generation of the Squeezed State with an Arbitrary Complex Amplitude Distribution