Title :
Integrated WDM dynamic power equalizer with potentially low insertion loss
Author :
Doerr, C.R. ; Joyner, C.H. ; Stulz, L.W.
Author_Institution :
Bell Labs., Lucent Technol., Holmdel, NJ, USA
Abstract :
We present a design concept for dynamically and chromatically variable transmissivity devices for controlling channel powers in wavelength-division-multiplexed systems in which a decrease in attenuation range can be traded for a decrease in insertion loss. We demonstrate a version in InP.
Keywords :
III-V semiconductors; diffraction gratings; equalisers; indium compounds; integrated optics; optical communication equipment; optical losses; wavelength division multiplexing; InP; attenuation range; channel power control; chromatically variable transmissivity devices; design concept; dynamically variable transmissivity devices; insertion loss; integrated WDM dynamic power equalizer; low insertion loss; wavelength-division-multiplexed systems; Attenuation; Couplers; Equalizers; Insertion loss; Optical attenuators; Optical filters; Optical waveguides; Phase shifters; Propagation losses; Wavelength division multiplexing;
Journal_Title :
Photonics Technology Letters, IEEE