Engineering of optical continuous-variable qubits via displaced photon subtraction: Multimode analysis

M. Takeoka, J. S. Neergaard-Nielsen, M. Takeuchi, K. Wakui, H. Takahashi, K. Hayasaka, M. Sasaki

研究成果: Article査読

5 被引用数 (Scopus)

抄録

We investigate the practical scheme of engineering a qubit of two optical continuous-variable states, based on squeezed vacuum and coherently displaced photon subtraction. A fully multimode model is developed to describe a continuous wave (cw) setting of the experiment, which has been successfully implemented to generate highly pure non-classical states. The model agrees well with the experimental results and the numerical results show that the intrinsic imperfection due to the cw nature of the source is relatively small. Our photon subtraction technique could also be useful for preparing optical Schrodinger's cat-like states in arbitrary superposition, which is a basic qubit resource for linear optics coherent state quantum computing.

本文言語English
ページ(範囲)266-275
ページ数10
ジャーナルJournal of Modern Optics
58
3-4
DOI
出版ステータスPublished - 2011 1月 10
外部発表はい

ASJC Scopus subject areas

  • 原子分子物理学および光学

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