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Conferences > QAO > 2007 > QME > QME13

Laser-Cavity Frequency Locking using Modern Control

S.Z. Sayed Hassen, Elanor H. Huntington, Matthew R. James, and Ian R. Petersen

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Abstract

This paper considers the application of Linear Quadratic Gaussian (LQG) optimal control theory to a problem of cavity locking in quantum optics. Using an equivalence between quantum LQG control and classical LQG control, this problem is reduced to a standard LQG control problem. The cavity locking problem involves controlling the error between the laser frequency and the cavity frequency. A model for the cavity system is set up and an LQG controller is synthesized. The resulting control system implemented on an experimental cavity.

© 2007 Optical Society of America

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