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WO0186998A1
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Optical transport networks
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GB0103161D0
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Management of analogue optical circuit performance
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GB0100289D0
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Intelligent placement of wavelength translation and selective regeneration in an optical network
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GB0023469D0
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Reconfigurable optical add/drop multiplexer
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GB0023217D0
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An optical packet router performing qos-based packet aggregation and grooming
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GB0023219D0
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Optical multicasting
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GB0023222D0
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Contention resolution in packet switched networks using frequency shifting
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GB0018380D0
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Arrayed waveguide optical router with wavelength converters
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GB0009143D0
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Transmission of data
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GB0007550D0
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Signal Power Level Adjustment
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