Optical fiber amplifier with reduced noise and method of...

Optical fiber gain medium with evanescent filtering

Optical fiber gain medium with wavelength selective core filter

Optical fibre amplifier and transmission system with optical fib

Optical filter for use or with an optical amplifier

Optical filter functioning as both a gain equalizer and...

Optical filter module and optical amplification using it

Optical filter, manufacturing method thereof, and optical...

Optical gain equalization unit, optical gain equalization...

Optical gain equalizer and optical fiber transmission line

Optical gain equalizer, and method for producing the optical...

Optical gain equalizer, and optical amplifier and...

Optical gain flattening filter using VPG-based optical elements

Optical harmonic equalization control systems and methods

Optical network equipment with gain transient control and...

Optical network equipment with optical channel monitor and...

Optical partial regeneration of solitons

Optical receiver including a linear semiconductor optical...

Optical repeating system and optical amplifying repeater...

Optical sending apparatus and channel extension method