Topological Beaming of Light

Overview

Journal Sci Adv

Specialties Biology
Science

Date 2022 Dec 9

PMID 36490348

Authors

Ki Young Lee

Seungjin Yoon

Seok Ho Song

Jae Woong Yoon

Affiliations

Soon will be listed here.

Abstract

Nanophotonic light emitters are key components in numerous application areas because of their compactness and versatility. Here, we propose a topological beam emitter structure that takes advantage of submicrometer footprint size, small divergence angle, high efficiency, and adaptable beam shaping capability. The proposed structure consists of a topological junction of two guided-mode resonance gratings inducing a leaky Jackiw-Rebbi state resonance. The leaky Jackiw-Rebbi state leads to in-plane optical confinement with funnel-like energy flow and enhanced emission probability, resulting in highly efficient optical beam emission. In addition, the structure allows adaptable beam shaping for any desired positive definite profiles by means of Dirac mass distribution control, which can be directly encoded in lattice geometry parameters. Therefore, the proposed approach provides highly desirable properties for efficient micro-light emitters and detectors in various applications including display, solid-state light detection and ranging, laser machining, label-free sensors, optical interconnects, and telecommunications.

Citing Articles

Topological beaming of light: proof-of-concept experiment.

Choi Y, Lee K, An S, Jang M, Kim Y, Yoon S Light Sci Appl. 2025; 14(1):121.

PMID: 40075060 PMC: 11904235. DOI: 10.1038/s41377-025-01799-w.

Compact coherent perfect absorbers using topological guided-mode resonances.

Park C, Lee K, Choi Y, Yoon J Sci Rep. 2024; 14(1):14144.

PMID: 38898029 PMC: 11187224. DOI: 10.1038/s41598-024-63605-8.

Phase of Topological Lattice with Leaky Guided Mode Resonance.

Choi H, Kim S, Scherrer M, Moselund K, Lee C Nanomaterials (Basel). 2023; 13(24).

PMID: 38133049 PMC: 10745808. DOI: 10.3390/nano13243152.

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