Optical transmission system having noise-elimination function

Optical transmission system in which gains in gain bands are...

Optical transmission using all-optical regeneration and...

Optical transponder

Optical wavelength conversion for phase-modulated optical...

Optical wavelength division multiplexing transmission...

Optical wavelength multiplexing transmission apparatus and...

Optical wavelength multiplexing transmission apparatus and...

Optical WDM transmission system having a distributed...

Passive optical network using loop back of multi-wavelength...

Phase lock loop circuit and optical repeating apparatus,...

Private optical communications systems, devices, and methods

Redundant path all-optical regeneration, reshaping and...

Regeneration of optical phase modulated signals

Regeneration of optical phase modulated signals

Regenerator for a wavelength division multiplex transmission...

Repeater apparatus, communication equipment, communication...

RZ signal optical regenerator limiting noise in...

Scalable transceiver based repeater

Signal regeneration device, optical receiver, and signal...