Multi-channel frequency stabilization using wavelength crossover properties of arrayed waveguide grating

To construct multi-channel systems with a vast amount of transmission capability, such as optical frequency division multiplexing (OFDM), a frequency stabilization technique is essential for minimizing fluctuation of the oscillation frequency of each channel and for getting more narrow channel spaci...

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Bibliographic Details
Main Authors: Jungryul Lee, Kwangbok Kim, Sangho Ahn, Jinseob Eom
Format: Conference Proceeding
Language:English
Subjects:
Arrayed waveguide gratings
Channel spacing
Feedback
Hydrogen
Optical arrays
Optical frequency conversion
Optical waveguides
Particle beam optics
Power generation
Transfer functions
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Summary:To construct multi-channel systems with a vast amount of transmission capability, such as optical frequency division multiplexing (OFDM), a frequency stabilization technique is essential for minimizing fluctuation of the oscillation frequency of each channel and for getting more narrow channel spacing. This paper proposes a novel frequency stabilization method that uses the wavelength crossover properties of an arrayed waveguide grating (AWG). The zero-cross detection used in the proposed scheme does not require frequency modulation for synchronous detection unlike conventional frequency stabilization methods, but is implemented only by a simple electrical circuit.
ISSN:1092-8081
2766-1733
DOI:10.1109/LEOS.1997.630501