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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 18, Iss. 9 — Sep. 1, 2000
  • pp: 1309–

Measurement of Phase and Amplitude Error Distributions in Arrayed-Waveguide Grating Multi/Demultiplexers Based on Dispersive Waveguide

Hiroaki Yamada, Hiroaki Sanjoh, Masaki Kohtoku, Kazumasa Takada, and Katsunari Okamoto

Journal of Lightwave Technology, Vol. 18, Issue 9, pp. 1309- (2000)


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Abstract

We measured the phase and amplitude error distributions in InP-based arrayed-waveguide grating (AWG) multi/demultiplexers using Fourier transform spectroscopy with interferogram restoration. The interferogram restoration was used to reduce the effect of the group-velocity dispersion of the waveguide. It was based on a wavenumber scale transformation or a dispersion balance between two arms in the interferometer. We derived a criterion for choosing the appropriate restoration method by estimating the worst-case measurement error in the presence of second order dispersion. After selecting a method using the derived criterion, we obtained isolated fringe patterns, from which we were able to obtain the phase and amplitude distributions in 50 and 200 GHz AWGs. Using the obtained distributions, we examined the origin of the crosstalk and chromatic dispersion in InP-based AWGs. The results revealed that the main origin is phase error as found with SiO2 -based AWGs.

[IEEE ]

Citation
Hiroaki Yamada, Hiroaki Sanjoh, Masaki Kohtoku, Kazumasa Takada, and Katsunari Okamoto, "Measurement of Phase and Amplitude Error Distributions in Arrayed-Waveguide Grating Multi/Demultiplexers Based on Dispersive Waveguide," J. Lightwave Technol. 18, 1309- (2000)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-18-9-1309

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