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Method and system for duobinary coding of optical signals

Optical communications – Multiplex – Code division multiplexing
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Method and system for electrochemical impedance spectroscopy

Optical communications – Diagnostic testing
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Method and system for encoding optical communication...

Optical communications – Diagnostic testing – Determination of communication parameter
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Method and system for establishing transmission priority for...

Optical communications – Multiplex – Optical local area network
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Method and system for facilitating burst-mode optical power...

Optical communications – Receiver – Including postcompensation
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Method and system for forward pumping Raman amplification in...

Optical communications – Optical repeater system – Supervisory signal by repeater
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Method and system for generating switching control signal...

Optical communications – Multiplex – Time division
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Method and system for handling optical signals

Optical communications – Transmitter – Including compensation
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Method and system for hitless tunable optical processing

Optical communications – Multiplex – Wavelength division or frequency division
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Method and system for hybrid protection in optical networks

Optical communications – Fault recovery – Bypass inoperative element
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Method and system for identification of channels in an...

Optical communications – Diagnostic testing – Determination of communication parameter
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Method and system for identification of channels in an...

Optical communications – Diagnostic testing – Determination of communication parameter
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Method and system for increasing downstream bandwidth in an...

Optical communications – Multiplex – Broadcast and distribution system
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Method and system for increasing the capacity and spectral...

Optical communications – Multiplex
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Method and system for increasing the spectral efficiency of...

Optical communications – Multiplex – Code division multiplexing
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Method and system for increasing the spectral efficiency of...

Optical communications – Multiplex – Code division multiplexing
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Method and system for infrared data communications

Optical communications – Optical communication over freee space
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Method and system for keeping time alignment between optical...

Optical communications – Transmitter – Having particular modulation
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Method and system for maintenance of a passive optical network

Optical communications – Diagnostic testing – Fault location
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Method and system for management of directly connected...

Optical communications – Diagnostic testing – Determination of communication parameter
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