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Frequency locking of an Optical Cavity using LQG Integral Control

James, Matthew; Petersen, Ian; Huntington, Elanor Harriet


This paper considers the application of LQG integral control theory to a problem of cavity locking in quantum optics. The cavity locking problem involves controlling the error between the laser frequency and the cavity frequency. A model for the cavity system, which comprises of a piezo-electric actuator and an optical cavity is determined in the frequency domain using a subspace identification method. An LQG controller which includes integral action is synthesized to stabilize the frequency of...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Conference paper
Source: Proceedings of International Federation of Automatic Control World Congress (SYSID 2008)
DOI: 10.3182/20080706-5-KR-1001.1466


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