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19 June 2003 Optical wavelength interrogator employing the free spectral range of an arrayed waveguide grating
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Proceedings Volume 4987, Integrated Optics: Devices, Materials, and Technologies VII; (2003) https://doi.org/10.1117/12.474351
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States
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 Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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, (19 June 2003); https://doi.org/10.1117/12.474351
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