Spectroscopic sensing at the quantum limit by active cavity impedance matching

Author

Chow, Jong H. ; Rabeling, David S. ; Wade, Andrew ; Littler, Ian C M ; Gray, Malcolm B. ; McClelland, David E.

Author_Institution

Centre for Gravitational Phys., Australian Nat. Univ., Canberra, ACT, Australia

fYear

2009

fDate

2-4 June 2009

Firstpage

1

Lastpage

2

Abstract

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.

Keywords

amplitude modulation; homodyne detection; impedance matching; light interferometry; optical modulation; absorption spectrometry; active cavity impedance matching; homodyne interferometry; molecular transitions; quantum limit; radiofrequency amplitude modulation; spectroscopic sensing; Absorption; Amplitude modulation; Electrochemical impedance spectroscopy; Impedance matching; Impedance measurement; Loss measurement; Mirrors; Optical feedback; Optical interferometry; Optical noise; (230.5750) Resonators; (300.1030) Absorption Spectroscopy; (300.6380) Modulation spectroscopy;

fLanguage

English

Publisher

ieee

Conference_Titel

Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on

Conference_Location

Baltimore, MD

Print_ISBN

978-1-55752-869-8

Electronic_ISBN

978-1-55752-869-8

Type

conf

Filename

5224556