Phase locking scheme for squeezed vacuum generated by single-pass optical parametric amplifier

Yoshitaka Taguchi; Yasuyuki Ozeki

doi:10.1117/12.2607559

2 March 2022 Phase locking scheme for squeezed vacuum generated by single-pass optical parametric amplifier

Yoshitaka Taguchi, Yasuyuki Ozeki

Proceedings Volume 12016, Optical and Quantum Sensing and Precision Metrology II; 1201608 (2022) https://doi.org/10.1117/12.2607559
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Single-pass optical parametric amplification (OPA) is attractive in the generation of broadband squeezed vacuum. To achieve a higher squeezing level, precise control of the local oscillator (LO) phase is needed. However, the conventional control scheme was designed for squeezing by optical parametric oscillation (OPO). In this study, we propose a new scheme, which is applicable to single-pass OPA. In this scheme, we measure the modulation in the residual pump light after the OPA crystal to realize precise phase-locking of the LO. We anticipate that the proposed scheme will be indispensable for practical applications of squeezing with single-pass OPA.

Conference Presentation

Citation Download Citation

Yoshitaka Taguchi and Yasuyuki Ozeki "Phase locking scheme for squeezed vacuum generated by single-pass optical parametric amplifier", Proc. SPIE 12016, Optical and Quantum Sensing and Precision Metrology II, 1201608 (2 March 2022); https://doi.org/10.1117/12.2607559

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