Balanced-homodyne detection of surface second-harmonic generation

Jun Chen; Susumu Machida; Yoshihisa Yamamoto

doi:10.1117/12.354771

19 July 1999 Balanced-homodyne detection of surface second-harmonic generation

Jun Chen, Susumu Machida, Yoshihisa Yamamoto

Proceedings Volume 3749, 18th Congress of the International Commission for Optics; (1999) https://doi.org/10.1117/12.354771
Event: ICO XVIII 18th Congress of the International Commission for Optics, 1999, San Francisco, CA, United States

Abstract

An ac optical balanced homodyne detection system was developed to simultaneously measure the intensity and phase in surface second-harmonic generation. Extremely high sensitivity of 3 aW (6 photon/sec) has been achieved by use of a lock-in amplifier, in which an interference signal of fundamental waves is used as a reference signal. Experimental results of simultaneous measurement of the intensity and phase in surface second-harmonic waves generated form native-oxidized Si(111) surfaces is presented.

Citation Download Citation

Jun Chen, Susumu Machida, and Yoshihisa Yamamoto "Balanced-homodyne detection of surface second-harmonic generation", Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); https://doi.org/10.1117/12.354771

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