Non-Gaussian state generation from linear elements via feedback

Masahiro Yanagisawa

doi:10.1103/PhysRevLett.103.203601

Non-Gaussian state generation from linear elements via feedback

Masahiro Yanagisawa^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

We present a feedback scheme to produce quantum non-Gaussian states from linear optical elements. Instead of traditional additive control methods, we introduce a mutiplicative feedback control and apply it to the deterministic generation of quantum superposition states. The protocol of feedback control is based on quantum nondemolition measurement of a quadrature, multifeedback structure, and Lyapunov stability for feedback design.

Original language	English
Article number	203601
Journal	Physical Review Letters
Volume	103
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.103.203601
Publication status	Published - 11 Nov 2009

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10.1103/PhysRevLett.103.203601

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Non-Gaussian state generation from linear elements via feedback

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