Method, device and system for controlling protection switching on optical network

Coding scheme and multiframe transmission in optical networks

Coding scheme and multiframe transmission in optical networks

Method for processing optical signal, optical signal sending node and optical node

Determining asymmetries in a communication network

Optical transmitter and waveform distortion correction method

Method, device and system for detecting optical signal

In-band signaling for reconfiguring software defined optics

Transport apparatus and method of transmitting monitoring control signal

Transmission apparatus and method for controlling the transmission apparatus

Adjusting carrier spacing in a channel

Proactive delay measurement for optical transport network

Determining asymmetries in a communication network

Apparatus and method for measuring a delay

Optical layer status exchange over OSC-OAM method for ROADM networks

Optical transmission system

Transmission method and assembling method for physical layer operations, administration and maintenance (PLOAM) message in a passive optical network

Method and apparatus for loading, detecting, and monitoring channel-associated optical signals

Transmission apparatus and method for controlling the transmission apparatus

Optical power measurement method, optical line terminal and optical network unit

APPARATUS AND METHOD FOR MONITORING QUALITY OF OPTICAL SIGNAL

Method and apparatus for loading, detecting, and monitoring channel-associated optical signals

Optical transmission method and device

Device and method for optical supervisory channel framing in optical transport network system