Title :
Accurate characterization and phase-error compensation of AWGs
Author :
Takada, Kazumasa ; Yamada, Hiroaki ; Okamoto, Katsunari
Author_Institution :
NTT Opto-Electron. Labs., Ibaraki, Japan
Abstract :
Summary form only given. There is increasing interest in arrayed-waveguide grating (AWG) multiplexers for use in WDM and signal processing. The channel crosstalk of an AWG is determined by both the phase errors and power-splitting ratios of all its arrayed waveguides. This paper describes a precise measurement method. The improvement in the crosstalk achieved by compensating for the measured phase errors after fabrication
Keywords :
diffraction gratings; measurement errors; optical arrays; optical communication equipment; optical crosstalk; optical information processing; optical waveguides; telecommunication channels; wavelength division multiplexing; AWGs; WDM; arrayed-waveguide grating multiplexers; channel crosstalk; crosstalk; measured phase errors; phase errors; phase-error compensation; power-splitting ratios; precise measurement method; signal processing; Arrayed waveguide gratings; Optical arrays; Optical crosstalk; Optical refraction; Optical signal processing; Optical variables control; Optical waveguides; Phase measurement; Phased arrays; Testing;
Conference_Titel :
Lasers and Electro-Optics Society Annual Meeting, 1998. LEOS '98. IEEE
Conference_Location :
Orlando, FL
Print_ISBN :
0-7803-4947-4
DOI :
10.1109/LEOS.1998.737861
