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Conferences > CLEO_SI > 2014 > SM3J > SM3J.6

Experimental Demonstration of Orbital-Angular-Momentum Demultiplexing using an Optical FFT in the Spatial Domain

Hao Huang, Guodong Xie, Nisar Ahmed, Yongxiong Ren, Yan Yan, Martin P. J. Lavery, Miles J. Padgett, Sam Dolinar, and Alan E. Willner

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Abstract

we demonstrate orbital angular momentum modes separation using a geometrical transform-based mode sorter combined with a spatial Fast Fourier Transform. The observed crosstalk between the adjacent modes is <-11.8 dB. A lower crosstalk of <-18.6 dB is anticipated by simulation results.

© 2014 Optical Society of America

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