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Libson A, Brown N, Buikema A, et al. Simple method for locking birefringent resonators. Opt Express. 2015;23(3):3809-17doi: 10.1364/OE.23.003809.
Libson, A., Brown, N., Buikema, A., López, C. C., Dordevic, T., Heising, M., & Evans, M. (2015). Simple method for locking birefringent resonators. Optics express, 23(3), 3809-17. https://doi.org/10.1364/OE.23.003809
Libson, Adam, et al. "Simple method for locking birefringent resonators." Optics express vol. 23,3 (2015): 3809-17. doi: https://doi.org/10.1364/OE.23.003809
Libson A, Brown N, Buikema A, López CC, Dordevic T, Heising M, Evans M. Simple method for locking birefringent resonators. Opt Express. 2015 Feb 09;23(3):3809-17. doi: 10.1364/OE.23.003809. PMID: 25836232.
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Opt Express. 2015 Feb 09;23(3):3809-17. doi: 10.1364/OE.23.003809.

Simple method for locking birefringent resonators.

Optics express

Adam Libson, Nicolas Brown, Aaron Buikema, Camilo Cela López, Tamara Dordevic, Matthew Heising, Matthew Evans

PMID: 25836232 DOI: 10.1364/OE.23.003809

Abstract

We report on a simple method of locking a laser to a birefringent cavity using polarization spectroscopy. The birefringence of the resonator permits the simple extraction of an error signal by using one polarization state as a phase reference for another state. No modulation of the light or the resonator is required, reducing the complexity of the laser locking setup. This method of producing an error signal can be used on most birefringent optical resonators, even if the details of birefringence and eigenpolarizations are not known. This technique is particularly well suited for fiber ring resonators due to the inherent birefringence of the fiber and the unknown nature of that birefringence. We present an experimental demonstration of this technique using a fiber ring.

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