Title :
Circulator-Free Reflection-Type Tunable Optical Dispersion Compensator Using Tandem Arrayed-Waveguide Gratings
Author :
Ikuma, Yuichiro ; Mizuno, Takayuki ; Takahashi, Hiroshi ; Tsuda, Hiroyuki
Author_Institution :
Sch. of Integrated Design Eng., Keio Univ., Yokohama, Japan
Abstract :
A tunable optical dispersion compensator that uses cascaded arrayed-waveguide gratings and an integrated phase shifter is reported. It is a catoptric circuit but does not require a circulator. The dispersion is successfully controlled from +142 to +1148 ps/nm. Error-free transmission is confirmed after dispersion compensation in a transmission experiment using 43 Gbps CSRZ-DQPSK modulation.
Keywords :
arrayed waveguide gratings; differential phase shift keying; integrated optics; light reflection; light transmission; optical communication equipment; optical control; optical fibre dispersion; optical modulation; optical phase shifters; optical tuning; quadrature phase shift keying; CSRZ-DQPSK modulation; bit rate 43 Gbit/s; cascaded arrayed-waveguide gratings; catoptric circuit; circulator-free reflection-type tunable optical dispersion compensator; error-free transmission; integrated phase shifter; tandem arrayed-waveguide gratings; Heating; Lenses; Optical fiber dispersion; Optical reflection; Optical waveguides; Temperature measurement; Gratings; lenses; optical circulators; optical fiber dispersion; optical waveguides; resin; thermooptic effect;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2011.2159702
