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Conferences > OFC > 2002 > ThGG > ThGG96
  • Optical Fiber Communications Conference
  • OSA Trends in Optics and Photonics (Optica Publishing Group, 2002),
  • paper ThGG96

WDM channel wavelength monitoring by periodically modulating the AWG temperature

Sang-Yuep Kim, Sang-Hoon Han, and Jae-Seung Lee

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Abstract

Simultaneous monitoring of channel wavelengths is important in wavelength division multiplexing (WDM) systems owing to the wavelength drift of distributed feedback (DFB) lasers.1,2 For this purpose, a simple method was proposed using the crossover transmission property of the arrayed-waveguide grating (AWG).3 Each channel wavelength is measured from the output power ratio of two adjacent AWG outputs in dB scale.

© 2002 Optical Society of America

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