We report a planar few-mode supported optical waveguide with a multilayer length-dependent gain-loss profile to host a dynamical encirclement scheme around a fourth-order exceptional point (EP4) and explore a chirality-driven higher-order asymmetric mode conversion scheme. © OSA 2020 © 2020 The Author(s)

Somnath Ghosh

Department of Physics

IIT Jodhpur

S. Dey

A. Laha

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Journal	Data powered by TypesetOptics InfoBase Conference Papers
Publisher	Data powered by TypesetThe Optical Society
ISSN	1084-7529
Impact Factor	1.230
Citation Style	unsrt
Sherpa RoMEO Archiving Policy	Green