Title :
160 Gb/s sub-picosecond transform-limited pulse signal generation utilizing adiabatic soliton compression and optical time-division multiplexing
Author :
Suzuki, Ken-Ichi ; Iwatsuki, Katsumi ; Nishi, Shigendo ; Samwatari, M. ; Kitoh, Tsutomu
Author_Institution :
NTT Transmission Syst. Labs., Kanagawa, Japan
fDate :
3/1/1994 12:00:00 AM
Abstract :
0.8 ps TL pulses are successfully generated from a gain-switched DFB-LD by adiabatic soliton compression using a dispersion decreasing fiber (DDF). The compression ratio can be controlled using the peak input power into the DDF. We obtain a 10/spl times/2/sup n/ Gb/s pulse stream by optically multiplexing the compressed pulses with a Mach-Zehnder (MZ) interferometer type multiplexer, in which n can be freely selected from 1 to 4 by controlling the coupling ratios of the couplers in the MZ interferometers. By using the demonstrated techniques, we can multiplex the initial pulse stream up to 160 Gb/s at the noninterfering duty factor of 0.2.<>
Keywords :
distributed feedback lasers; high-speed optical techniques; light interferometers; optical dispersion; optical fibres; optical solitons; semiconductor lasers; time division multiplexing; 0.8 ps; 160 Gbit/s; Mach-Zehnder interferometer type multiplexer; adiabatic soliton compression; compression ratio; coupling ratios; dispersion decreasing fiber; gain-switched DFB-LD; noninterfering duty factor; optical time-division multiplexing; optically multiplexing; peak input power; pulse stream; sub-picosecond transform-limited pulse signal generation; Distributed power generation; Multiplexing; Optical control; Optical interferometry; Optical pulse generation; Optical pulses; Optical solitons; Pulse compression methods; Pulse generation; Signal generators;
Journal_Title :
Photonics Technology Letters, IEEE
