Non-Gaussian control of continuous variables with photon counting and filtering

M. Sasaki; K. Wakui; H. Takahashi; M. Takeoka; S. Suzuki

doi:10.1117/12.733491

10 September 2007 Non-Gaussian control of continuous variables with photon counting and filtering

M. Sasaki, K. Wakui, H. Takahashi, M. Takeoka, S. Suzuki

Proceedings Volume 6780, Quantum Communications Realized; 678006 (2007) https://doi.org/10.1117/12.733491
Event: Optics East, 2007, Boston, MA, United States

Abstract

We study various non-Gaussian states generated by photon subtrastion from a squeezed light source. The source is a cw beam generated by optical parametric oscillator. The photon subtraction is made by tapping a small fraction of the squeezed light source and by guiding it into two Si-APDs, which enable the subtraction of one to two photons. Trigger photon clicks specify a certain temporally localized mode in the remaining squeezed beam. By filtering the remaining squeezed beam through an appropriate mode function, one can generate a variety of non-Gaussian states. This includes single and two photon states, the NOON state (N = 2), Schrödinger kitten states of both odd and even parities, and their arbitrarily desired superposition.

Citation Download Citation

M. Sasaki, K. Wakui, H. Takahashi, M. Takeoka, and S. Suzuki "Non-Gaussian control of continuous variables with photon counting and filtering", Proc. SPIE 6780, Quantum Communications Realized, 678006 (10 September 2007); https://doi.org/10.1117/12.733491

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