Title :
System requirements for WSS filter shape in cascaded ROADM networks
Author_Institution :
JDSU Opt. Networks Res. Lab., Robbinsville, NJ, USA
Abstract :
We describe the impact of passband shape and random center frequency variations on the bandwidth narrowing caused by successive filtering in concatenated wavelength-selective switches. Passband flatness is extremely important for broadband signals at 40 Gb/s and beyond.
Keywords :
band-pass filters; optical communication equipment; optical fibre networks; optical filters; optical switches; WSS filter shape; bandwidth narrowing; bit rate 40 Gbit/s; cascaded ROADM networks; concatenated wavelength-selective switches; passband flatness; passband shape; Band pass filters; Bandwidth; Frequency; Optical attenuators; Optical distortion; Optical fiber networks; Optical filters; Optical sensors; Passband; Shape;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1