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Interferometric method for phase error measurement in an arrayed waveguide grating with a free space output

Optics InfoBase Conference Papers (2012)
DOI: 10.1364/nfoec.2012.jth2a.1
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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. © 2012 OSA.

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Zektzer, R., Sinefeld, D., Goldshtein, N., & Marom, D. M. (2012). Interferometric method for phase error measurement in an arrayed waveguide grating with a free space output. In Optics InfoBase Conference Papers. Optical Society of America (OSA). https://doi.org/10.1364/nfoec.2012.jth2a.1

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