Title :
Interferometric method for phase error measurement in an arrayed waveguide grating with a free space output
Author :
Zektzer, Roy ; Sinefeld, David ; Goldshtein, Noam ; Marom, Dan M.
Author_Institution :
Appl. Phys. Dept., Hebrew Univ., Jerusalem, Israel
Abstract :
We demonstrate a simple phase error measurement technique for AWG that radiate to free-space. The pair-wise far-field interference pattern of adjacent waveguides is used to measure the relative phase shift, with 13mrad accuracy.
Keywords :
arrayed waveguide gratings; light interferometry; optical links; optical planar waveguides; AWG; arrayed waveguide grating; interferometric method; pair-wise far-field interference pattern; phase error measurement; relative phase shift; Arrayed waveguide gratings; Interference; Lenses; Measurement by laser beam; Measurement uncertainty; Phase measurement;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
