Mode matching error signal from radio frequency waist size and position modulation

Alexei Ciobanu; Daniel D. Brown; David Ottaway

doi:10.1117/12.2539620

30 December 2019 Mode matching error signal from radio frequency waist size and position modulation

Alexei Ciobanu, Daniel D. Brown, David Ottaway

Proceedings Volume 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019; 112002S (2019) https://doi.org/10.1117/12.2539620
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

High levels of mode matching are required for optimal performance in interferometric gravitational wave detectors that use squeezed light injection. We propose a technique for measuring the magnitude and direction of mode mismatch by inducing a radio frequency waist size and position modulation and demodulating the reflected field using a single element photodiode.

Citation Download Citation

Alexei Ciobanu, Daniel D. Brown, and David Ottaway "Mode matching error signal from radio frequency waist size and position modulation", Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 112002S (30 December 2019); https://doi.org/10.1117/12.2539620

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