Direct plasmonic photodetection of optical angular momentum

Benjamin P. Cumming; Jingyang Peng; Min Gu

doi:10.1117/12.2541085

30 December 2019 Direct plasmonic photodetection of optical angular momentum

Benjamin P. Cumming, Jingyang Peng, Min Gu

Proceedings Volume 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019; 112000I (2019) https://doi.org/10.1117/12.2541085
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Optical angular momentum provides a useful dimension for data multiplexing and quantum entanglement. However, the demultiplexing of optical angular momentum is often performed by complex bulk optics and multiple detectors. Here we demonstrate that chiral plasmonic electrodes can be used to selectively detect optical angular momentum in a compact and integrated format. We demonstrate direct detection of photon spin and investigate methods for the detection of orbital angular momentum.

Citation Download Citation

Benjamin P. Cumming, Jingyang Peng, and Min Gu "Direct plasmonic photodetection of optical angular momentum", Proc. SPIE 11200, AOS Australian Conference on Optical Fibre Technology (ACOFT) and Australian Conference on Optics, Lasers, and Spectroscopy (ACOLS) 2019, 112000I (30 December 2019); https://doi.org/10.1117/12.2541085

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