Title :
An eight-channel hyperfine wavelength demultiplexer using a virtually imaged phased-array (VIPA)
Author :
Shijun Xiao ; Weiner, A.M.
Author_Institution :
Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA
Abstract :
We demonstrate an eight-channel hyperfine wavelength demultiplexer at 1.55 μm using a virtually imaged phased-array spectral disperser, with channel spacings of /spl sim/3 GHz (24 pm) and -3-dB channel bandwidths of /spl sim/0.75 GHz (6 pm). We achieve adjacent channel isolations /spl ges/23 dB and nonadjacent channel isolations /spl ges/30 dB. We also present the first theoretical analysis.
Keywords :
channel spacing; demultiplexing equipment; optical arrays; optical communication equipment; optical fibre communication; optical fibre dispersion; wavelength division multiplexing; 0.75 GHz; 1.55 mum; channel bandwidth; channel isolations; channel spacings; eight-channel demultiplexer; hyperfine wavelength demultiplexer; spectral disperser; ultradense wavelength-division multiplexing; virtually imaged phased-array; Arrayed waveguide gratings; Bandwidth; Channel spacing; Glass; Laser mode locking; Lenses; Optical films; Optical pulse shaping; Optical signal processing; Wavelength division multiplexing; Hyperfine wavelength-division multiplexing (WDM); ultradense wavelength-division multiplexing (WDM); wavelength demultiplexers;
Journal_Title :
Photonics Technology Letters, IEEE
DOI :
10.1109/LPT.2004.839017
