Preprint Review Version 1 This version is not peer-reviewed

High-speed Orbital Angular Momentum Multiplexed Free-space Optical communication systems

Version 1 : Received: 19 August 2018 / Approved: 20 August 2018 / Online: 20 August 2018 (12:34:41 CEST)

How to cite: Qu, Z.; Djordjevic, I. High-speed Orbital Angular Momentum Multiplexed Free-space Optical communication systems. Preprints 2018, 2018080355 (doi: 10.20944/preprints201808.0355.v1). Qu, Z.; Djordjevic, I. High-speed Orbital Angular Momentum Multiplexed Free-space Optical communication systems. Preprints 2018, 2018080355 (doi: 10.20944/preprints201808.0355.v1).

Abstract

We review recent progress in high-speed orbital angular momentum (OAM) multiplexed free-space optical communication systems. The outdoor atmospheric turbulence is emulated by an indoor turbulence emulator, which is based on split-step beam propagation method. Adaptive optics, channel coding, Huffman coding combined with LDPC coding, and spatial offset are used for turbulence mitigation; while OAM multiplexing and wavelength-division multiplexing (WDM) are applied to boost aggregate capacity.

Subject Areas

Orbital angular momentum; free-space optical communications; turbulence mitigation

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