Feasibility study of a coherent feedback squeezer

Date

2020

Authors

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

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Volume Title

Publisher

American Physical Society

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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Citation

Source

Physical Review A

Type

Journal article

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Access Statement

Open Access

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