Phase-sensitive detection and maximum-phase design provide optimum sensitivity for sensors employing infinite impulse response filters. Practical tradeoffs in the modulation frequency are discussed, and the maximum-phase condition is shown to be advantageous over critically-coupled designs.
© 2008 Optical Society of America
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
J. P. Chambers and C. Madsen, "Phase-Sensitive Detection for Lossy Ring and Cavity-Based Sensors," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, OSA Technical Digest (CD) (Optical Society of America, 2008), paper OMT5.
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