Continuously tunable modulation scheme for precision control of optical cavities with variable detuning

Author(s)
Ackley, Sarah F; Evans, Matthew J; Yam, William; Davis, Emily J.; Mavalvala, Nergis
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Abstract
We present a scheme for locking optical cavities with arbitrary detuning by many linewidths from resonance using an electro-optic modulator that can provide arbitrary ratios of amplitude-to-phase modulation. We demonstrate our scheme on a Fabry–Perot cavity, and show that a well-behaved linear error signal can be obtained by demodulating the reflected light from a cavity that is detuned by several linewidths.
Date issued
2015-07
URI
http://hdl.handle.net/1721.1/108092
Department
Massachusetts Institute of Technology. Department of Physics; LIGO (Observatory : Massachusetts Institute of Technology)
Journal
Optics Letters
Publisher
Optical Society of America
Citation
Yam, W., E. Davis, S. Ackley, M. Evans, and N. Mavalvala. “Continuously Tunable Modulation Scheme for Precision Control of Optical Cavities with Variable Detuning.” Optics Letters 40, no. 15 (July 31, 2015): 3675. doi:10.1364/ol.40.003675. ©2015
Version: Original manuscript
ISSN
0146-9592
1539-4794
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