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Experimental Demonstration of Frequency Autolocking an Optical Cavity Using a Time-Varying Kalman Filter

Schutte, Dirk; Hassen, S Z Sayed; Karvinen, Kai S.; Boyson, Toby K.; Kallapur, Abhijit G; Song, Hongbin; Petersen, Ian; Huntington, Elanor Harriet; Heurs, Michèle

Description

We propose and demonstrate a new autolocking scheme using a three-mirror ring cavity consisting of a linear quadratic regulator and a time-varying Kalman filter. Our technique does not require a frequency scan to acquire resonance. We utilize the singular perturbation method to simplify our system dynamics and to permit the application of linear control techniques. The error signal combined with the transmitted power is used to estimate the cavity detuning. This estimate is used by a linear...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/153865
Source: Physical Review Applied
DOI: 10.1103/PhysRevApplied.5.014005
Access Rights: Open Access

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