Title :
Crosstalk reduction of arrayed waveguide gratings by UV trimming of individual waveguides without H/sub 2/-loading
Author :
Gehler, J. ; Knappe, F.
Author_Institution :
Alcatel Corporate Res. Center, Stuttgart, Germany
Abstract :
Fabrication induced phase errors of arrayed waveguide gratings have been reduced using UV-trimming of grating waveguides. Phase error compensation up to 5 rad and crosstalk reduction down to /spl sim/35 dB have been achieved without hydrogen loading.
Keywords :
diffraction gratings; errors; integrated optics; laser materials processing; optical arrays; optical crosstalk; optical fabrication; optical waveguides; UV trimming; UV-trimming; arrayed waveguide gratings; crosstalk reduction; fabrication induced phase errors; grating waveguides; individual waveguides; phase error compensation; Arrayed waveguide gratings; Crosstalk; Error correction; Fluctuations; Loaded waveguides; Optical arrays; Optical films; Optical waveguides; Refractive index; Waveguide transitions;
Conference_Titel :
Optical Fiber Communication Conference, 2000
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-630-3
DOI :
10.1109/OFC.2000.868295
