Spectroscopic sensing at the quantum limit by active cavity impedance matching

Spectroscopic sensing at the quantum limit by active cavity impedance matching

We demonstrate an active cavity impedance matching control technique using radio-frequency amplitude modulation homodyne interferometry, and show it can be used for absorption spectrometry at the quantum limit for both narrow and broadband molecular transitions.

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Bibliographische Detailangaben
Hauptverfasser: Chow, J.H., Rabeling, D.S., Wade, A., Littler, I.C.M., Gray, M.B., McClelland, D.E.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
(230.5750) Resonators
(300.1030) Absorption Spectroscopy
(300.6380) Modulation spectroscopy
Absorption
Amplitude modulation
Electrochemical impedance spectroscopy
Impedance matching
Impedance measurement
Loss measurement
Mirrors
Optical feedback
Optical interferometry
Optical noise
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Beschreibung
Zusammenfassung:We demonstrate an active cavity impedance matching control technique using radio-frequency amplitude modulation homodyne interferometry, and show it can be used for absorption spectrometry at the quantum limit for both narrow and broadband molecular transitions.
ISSN:2160-9004
DOI:10.1364/CLEO.2009.CMDD2