Title :
Novel optical thresholder based on second harmonic generation in long periodically poled lithium niobate for ultrashort pulse optical code division multiple-access
Author :
Zheng, Z. ; Weiner, A.M.
Author_Institution :
Sch. of Electr. & Comput. Eng., Purdue Univ., West Lafayette, IN, USA
Abstract :
We report a novel yet practical optical thresholding scheme for ultrashort pulse CDMA using second harmonic generation in a long PPLN crystal, with a demonstrated contrast ratio of /spl sim/30 dB and the potential for low power operation.
Keywords :
code division multiple access; dielectric polarization; high-speed optical techniques; integrated optics; lithium compounds; optical communication equipment; optical harmonic generation; LiNbO/sub 3/; contrast ratio; long PPLN crystal; long periodically poled lithium niobate; low power operation; optical thresholder; optical thresholding scheme; second harmonic generation; ultrashort pulse CDMA; ultrashort pulse optical code division multiple-access; Arrayed waveguide gratings; Decoding; Fiber nonlinear optics; Lithium; Multiaccess communication; Nonlinear optics; Optical frequency conversion; Optical harmonic generation; Optical pulse shaping; Optical pulses;
Conference_Titel :
Optical Fiber Communication Conference, 2000
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-630-3
DOI :
10.1109/OFC.2000.868601
