4 years ago

Angular Lens.

Swati Chaudhary, Harshawardhan Wanare, Rishabh Sahu, Mishkatul Bhattacharya, Anand Kumar Jha, Kedar Khare

We propose a single phase-only optical element that transforms different orbital angular momentum (OAM) modes into localized spots at separated angular positions on a transverse plane. We refer to this element as an angular lens since it separates out OAM modes in a manner analogous to how a converging lens separates out transverse wave-vector modes at the focal plane. We also simulate the proposed angular lens using a spatial light modulator and experimentally demonstrate its working. Our work can have important implications for OAM-based classical and quantum communication applications.

Publisher URL: http://arxiv.org/abs/1711.03266

DOI: arXiv:1711.03266v1

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