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Integrated-optic encoder/decoder for time-spreading/wavelength-hopping optical CDMA
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DOI：10.1109/JSTQE.2005.846535.png)
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摘要
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We demonstrate an integrated-optic encoder/decoder for time-spreading/wavelength-hopping optical code division multiple access. It is composed of a wavelength multi/demultiplexer and variable delay lines fabricated by using silica-based planar lightwave circuit technology. We evaluated the device characteristics, including those of the key components and the encoding/decoding operation, and confirmed its flexible code assignment ability and good auto/cross correlations. We then tested the performance of the encoder/decoder by undertaking bit error rate measurements with 10-Gb/s pseudorandom binary sequence signals and confirmed its applicability to optical layer multicast routing and its ability to compensate for bit skew caused by fiber chromatic dispersion.
Keyword:
code division multiplexing
integrated optics
optical delay line
optical fiber communication
optical planar waveguide components
optical signal processing
optical waveguide filters
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5.1
论文数:
5.6K
被引数:
1.2W
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