Feasibility study of a coherent feedback squeezer

Shota Yokoyama; Daniel Peace; Warit Asavanant; Takeyoshi Tajiri; Ben Haylock; Moji Ghadimi; Mirko Lobino; Elanor H. Huntington; Hidehiro Yonezawa

doi:10.1103/PhysRevA.101.033802

Feasibility study of a coherent feedback squeezer

Shota Yokoyama, Daniel Peace, Warit Asavanant, Takeyoshi Tajiri, Ben Haylock, Moji Ghadimi, Mirko Lobino, Elanor H. Huntington, Hidehiro Yonezawa

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

3 Citations (Scopus)

Abstract

We investigate a coherent feedback squeezer that uses quantum coherent feedback (measurement-free) control. Our squeezer is simple, easy to implement, robust to the gain fluctuation, and broadband compared to the existing squeezers because of the negative coherent feedback configuration. We conduct a feasibility study that looks at the stability conditions for a feedback system to optimize the designs of real optical devices. The feasibility study gives fabrication tolerance necessary for designing and realizing the actual device. Our formalism for the stability analysis is not limited to optical systems but can be applied to the other bosonic systems.

Original language	English
Article number	033802
Journal	Physical Review A
Volume	101
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.101.033802
Publication status	Published - Mar 2020

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10.1103/PhysRevA.101.033802

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abstract = "We investigate a coherent feedback squeezer that uses quantum coherent feedback (measurement-free) control. Our squeezer is simple, easy to implement, robust to the gain fluctuation, and broadband compared to the existing squeezers because of the negative coherent feedback configuration. We conduct a feasibility study that looks at the stability conditions for a feedback system to optimize the designs of real optical devices. The feasibility study gives fabrication tolerance necessary for designing and realizing the actual device. Our formalism for the stability analysis is not limited to optical systems but can be applied to the other bosonic systems.",

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AU - Yokoyama, Shota

AU - Peace, Daniel

AU - Asavanant, Warit

AU - Tajiri, Takeyoshi

AU - Haylock, Ben

AU - Ghadimi, Moji

AU - Lobino, Mirko

AU - Huntington, Elanor H.

AU - Yonezawa, Hidehiro

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Feasibility study of a coherent feedback squeezer

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