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Proceedings Article

Optical wavelength interrogator employing the free spectral range of an arrayed waveguide grating

[+] Author Affiliations
Yasukazu Sano, Noritomo Hirayama

Fuji Electric Corporate Research and Development Ltd. (Japan)

Toshihiko T. Yoshino

Gunma Univ. (Japan)

Proc. SPIE 4987, Integrated Optics: Devices, Materials, and Technologies VII, 197 (June 17, 2003); doi:10.1117/12.474351
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From Conference Volume 4987

  • Integrated Optics: Devices, Materials, and Technologies VII
  • Yakov S. Sidorin; Ari Tervonen
  • San Jose, CA | January 25, 2003

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.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.

Topics

Waveguides
Citation

Yasukazu Sano ; Noritomo Hirayama and Toshihiko T. Yoshino
"Optical wavelength interrogator employing the free spectral range of an arrayed waveguide grating", Proc. SPIE 4987, Integrated Optics: Devices, Materials, and Technologies VII, 197 (June 17, 2003); doi:10.1117/12.474351; http://dx.doi.org/10.1117/12.474351


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