Efficient multiplexing and demultiplexing of free-space orbital angular momentum using photonic integrated circuits

We present a silicon photonic integrated circuit for multiplexing and demultiplexing beams with orbital angular momentum (OAM) into single-mode waveguides. Successful demultiplexing of nine azimuthally polarized OAM modes show potential for spatial multiplexing.

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Bibliographic Details
Main Authors: Fontaine, N. K., Doerr, C. R., Buhl, L. L.
Format: Conference Proceeding
Language:English
Subjects:
Apertures
Couplers
Demultiplexing
Gratings
Optical waveguides
Receivers
Online Access:Request full text
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Description
Summary:We present a silicon photonic integrated circuit for multiplexing and demultiplexing beams with orbital angular momentum (OAM) into single-mode waveguides. Successful demultiplexing of nine azimuthally polarized OAM modes show potential for spatial multiplexing.