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Proceedings Paper

An absolute frequency reference in exact multiples of 100 GHz by calibrated Fabry-Perot etalon
Author(s): Xiaofang Li; Huafeng Zhao; Haibin Gao; Xiaohong Ma; Xianwei Tang
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Paper Abstract

1.5μm wavelength region is the window of optical communication. Absolute frequency references that satisfy ITU-T standards in 1.5 μm region for frequency calibration are widely needed in DWDM system. In this paper, an approach of obtaining precise frequency points which ITU-T has produced has been experimented, using an acoustic frequency shift, by calibrating Fabry-Perot etalon using double acetylene absorption lines. In the experiment, mode 1955 of F-P etalon is offset frequency-locked to acetylene absorption line P14, 195500.4023GHz, with frequency stability 108 for a 30-minute measurement. After calibrating, a series of spaced 100GHz artificial absolute frequency references in 1.5μm region are obtained.

Paper Details

Date Published: 6 October 2006
PDF: 9 pages
Proc. SPIE 6352, Optoelectronic Materials and Devices, 63522C (6 October 2006); doi: 10.1117/12.690791
Show Author Affiliations
Xiaofang Li, Tsinghua Univ. (China)
Huafeng Zhao, Tsinghua Univ. (China)
Haibin Gao, Tsinghua Univ. (China)
Xiaohong Ma, Tsinghua Univ. (China)
Xianwei Tang, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 6352:
Optoelectronic Materials and Devices
Yong Hee Lee; Fumio Koyama; Yi Luo, Editor(s)

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