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Paper Abstract and Keywords
Presentation 2013-05-27 00:00
[Poster Presentation] Robust Quantum LQG control of the Optomechanical Sensors for the phase uncertainty of the input field
Sanae Iida, Naoki Yamamoto (Keio Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The quantum Kalman filter and LQG controller provides enough specification for accurate estimation and control in linear quantum system, though this holds only in the case when a trustful mathematical model of the system is available. In this paper, we consider an optomechanical oscillator which is continuously monitored
via an optical laser, although the laser phase is unknown. For this system, we propose a robust scheme of both filtering and control against the phase uncertainty of the optical laser. The filter estimates the uncertain parameter
using an auxiliary estimator that adaptively changes the filtering and control algorithm so that it aquires the better estimation and control performance near to that of the optimal one. The robustness is demonstrated in a numerical simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) Kalman filtering / LQG control / adaptive filtering and control / optomechanical oscillator / / / /  
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Conference Information
Committee QIT  
Conference Date 2013-05-27 - 2013-05-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2013-05-QIT 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Robust Quantum LQG control of the Optomechanical Sensors for the phase uncertainty of the input field 
Sub Title (in English)  
Keyword(1) Kalman filtering  
Keyword(2) LQG control  
Keyword(3) adaptive filtering and control  
Keyword(4) optomechanical oscillator  
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1st Author's Name Sanae Iida  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Naoki Yamamoto  
2nd Author's Affiliation Keio University (Keio Univ.)
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Date Time 2013-05-27 00:00:00 
Presentation Time minutes 
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