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Proceedings Paper

Optical wavelength interrogator employing the free spectral range of an arrayed waveguide grating
Author(s): Yasukazu Sano; Noritomo Hirayama; Toshihiko T. Yoshino
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Paper Abstract

A method to increase the multiplex capacity of an arrayed waveguide grating (AWG) based interrogator is proposed that makes use of the spectral recurring feature of AWG due to its free spectral range. Using a single AWG, interrogation for two different wavelength regions of 1310nm and 1550nm was performed with a high performance of the standard deviation of the level of sub-pico-meter for 2nm dynamic range. The proposed method is very helpful to reduce the cost of the AWG interrogator.

Paper Details

Date Published: 19 June 2003
PDF: 8 pages
Proc. SPIE 4987, Integrated Optics: Devices, Materials, and Technologies VII, (19 June 2003); doi: 10.1117/12.474351
Show Author Affiliations
Yasukazu Sano, Fuji Electric Corporate Research and Development Ltd. (Japan)
Noritomo Hirayama, Fuji Electric Corporate Research and Development Ltd. (Japan)
Toshihiko T. Yoshino, Gunma Univ. (Japan)


Published in SPIE Proceedings Vol. 4987:
Integrated Optics: Devices, Materials, and Technologies VII
Yakov S. Sidorin; Ari Tervonen, Editor(s)

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