Pre-emphasized optical communication

Quality monitoring of an optical fiber amplifier

Quality monitoring of an optical fiber amplifier

Radiation power equalizer

Raman amplification repeater

Raman amplifier, optical repeater, and raman amplification...

Raman amplifiers with improved signal power management

Reducing noise in a fiber amplifier using a cleaning optical...

Reduction of ASE in WDM optical ring networks

Reduction of ASE in WDM optical ring networks

Regulated optical amplifier

Retrofit heater for erbium fiber in an erbium-doped fiber amplif

Robust multi-wavelength optical fiber communication systems

Semiconductor laser high power amplifier system

Single parameter gain slope adjuster for an optical system

Single parameter gain slope adjuster for an optical system

Solid-state zig-zag slab optical amplifier

Spectrally resolved fast monitor

Spectrally resolved fast monitor

Split-pumped dual stage optical fiber amplifier