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Proceedings Paper

Balanced-homodyne detection of surface second-harmonic generation
Author(s): Jun Chen; Susumu Machida; Yoshihisa Yamamoto
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Paper 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.

Paper Details

Date Published: 19 July 1999
PDF: 2 pages
Proc. SPIE 3749, 18th Congress of the International Commission for Optics, (19 July 1999); doi: 10.1117/12.354771
Show Author Affiliations
Jun Chen, Tokyo Institute of Polytechnics and NTT Musashino R&D Ctr. (Japan)
Susumu Machida, NTT Musashino R&D Ctr. (Japan)
Yoshihisa Yamamoto, Stanford Univ. (United States)


Published in SPIE Proceedings Vol. 3749:
18th Congress of the International Commission for Optics

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