An absolute frequency reference in exact multiples of 100 GHz by calibrated F-P etalon

Xiaofang Li; Huafeng Zhao; Haibin Gao; Xiaohong Ma; Xianwei Tang

doi:10.1117/12.690791

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6 October 2006 An absolute frequency reference in exact multiples of 100 GHz by calibrated Fabry-Perot etalon

Xiaofang Li, Huafeng Zhao, Haibin Gao, Xiaohong Ma, Xianwei Tang

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Proceedings Volume 6352, Optoelectronic Materials and Devices; 63522C (2006) https://doi.org/10.1117/12.690791
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

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.

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Xiaofang Li, Huafeng Zhao, Haibin Gao, Xiaohong Ma, and Xianwei Tang "An absolute frequency reference in exact multiples of 100 GHz by calibrated Fabry-Perot etalon", Proc. SPIE 6352, Optoelectronic Materials and Devices, 63522C (6 October 2006); https://doi.org/10.1117/12.690791

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