Bragg grating variable optical attenuator

Cantilever-type PLC optical attenuator and manufacturing...

Channel power monitor

Compact hybrid integrated optical dynamic channel equalizer

Compact optical equalizer

Compact tunable wavelength independent all-fiber optical attenua

Compensated variable optical attenuator

Configurations for waveguide crossings

Constant power operation thermo-optic switch

Continuously variable attenuation of an optical signal using...

Controllable fiber optic attenuators employing tapered...

Controllable optical attenuator

Controllably variable optical attenuator

Design of a variable attenuator and fabrication of its...

Device and method for attenuating a low-level light source...

Device and method for variable attenuation of an optical...

Device and method for variable attenuation of an optical...

Dual fiber collimator optical variable attenuator

Dual fiber variable optical attenuator

Dynamic gain equalization arrangement for optical signals