Direct generation of a multi-transverse mode non-classical state of light

Details Direct generation of a multi-transverse mode non-classical state of light Direct generation of a multi-transverse mode non-classical state of light

2011-01-24

arxiv.org/abs/1101.4498v1

Physics

Quantum Physics

Scientific paper

Quantum computation and communication protocols require quantum resources which are in the continuous variable regime squeezed and/or quadrature entangled optical modes. To perform more and more complex and robust protocols, one needs sources that can produce in a controlled way highly multimode quantum states of light. One possibility is to mix different single mode quantum resources. Another is to directly use a multimode device, either in the spatial or in the frequency domain. We present here the first experimental demonstration of a device capable of producing simultanuously several squeezed transverse modes of the same frequency and which is potentially scalable. We show that this device, which is an Optical Parametric Oscillator using a self-imaging cavity, produces a multimode quantum resource made of three squeezed transverse modes.

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