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Using an Integrated Silicon Emitter to Generate Two Coaxial Orbital-Angular-Momentum Beams with Tunable Mode Orders and Broad Bandwidth

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Abstract

We design and simulate a broadband integrated silicon emitter to generate two coaxial orbital-angular-momentum beams with tunable mode orders ( = {-1,0} or {0,+1}). Crosstalk <-15 dB is achieved over 1500-1600 nm.

© 2019 The Author(s)

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