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Title: Topologically protected photonic modes in composite quantum Hall/quantum spin Hall waveguides

Abstract

Photonic topological systems, the electromagnetic analog of the topological materials in condensed matter physics, create many opportunities to create optical devices with novel properties. We introduce an experimental realization of the bi-anisotropic meta waveguide photonic system replicating both quantum Hall (QH) and quantum spin-Hall (QSH) topological insulating phases. With careful design, a composite QH-QSH photonic topological material is created and experimentally shown to support reflection-free edgemodes, a heterogeneous topological structure that is unprecedented in condensed matter physics. The effective spin degree of freedom of such topologically protected modes determines their unique pathways through these systems, free from backscattering and able to travel around sharp corners. As an instance of their novel properties, we experimentally demonstrate reflection-less photonic devices including a 2-port isolator, a unique 3-port topological device, and a full 4-port circulator based on composite QH and QSH structures.

Authors:
 [1];  [1];  [2];  [2];  [2];  [1]
  1. Univ. of Maryland, College Park, MD (United States)
  2. Cornell Univ., Ithaca, NY (United States)
Publication Date:
Research Org.:
Univ. of Maryland, College Park, MD (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; National Science Foundation (NSF); US Department of the Navy, Office of Naval Research (ONR); US Air Force Office of Scientific Research (AFOSR)
OSTI Identifier:
1558294
Alternate Identifier(s):
OSTI ID: 1550570
Grant/Contract Number:  
SC0018788; FA9550-15-1-0171; N000141512134; N000141912481; DMR-1120923; PHY-1415547
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 8; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 74 ATOMIC AND MOLECULAR PHYSICS

Citation Formats

Ma, Shukai, Xiao, Bo, Yu, Yang, Lai, Kueifu, Shvets, Gennady, and Anlage, Steven M. Topologically protected photonic modes in composite quantum Hall/quantum spin Hall waveguides. United States: N. p., 2019. Web. doi:10.1103/PhysRevB.100.085118.
Ma, Shukai, Xiao, Bo, Yu, Yang, Lai, Kueifu, Shvets, Gennady, & Anlage, Steven M. Topologically protected photonic modes in composite quantum Hall/quantum spin Hall waveguides. United States. doi:10.1103/PhysRevB.100.085118.
Ma, Shukai, Xiao, Bo, Yu, Yang, Lai, Kueifu, Shvets, Gennady, and Anlage, Steven M. Thu . "Topologically protected photonic modes in composite quantum Hall/quantum spin Hall waveguides". United States. doi:10.1103/PhysRevB.100.085118.
@article{osti_1558294,
title = {Topologically protected photonic modes in composite quantum Hall/quantum spin Hall waveguides},
author = {Ma, Shukai and Xiao, Bo and Yu, Yang and Lai, Kueifu and Shvets, Gennady and Anlage, Steven M.},
abstractNote = {Photonic topological systems, the electromagnetic analog of the topological materials in condensed matter physics, create many opportunities to create optical devices with novel properties. We introduce an experimental realization of the bi-anisotropic meta waveguide photonic system replicating both quantum Hall (QH) and quantum spin-Hall (QSH) topological insulating phases. With careful design, a composite QH-QSH photonic topological material is created and experimentally shown to support reflection-free edgemodes, a heterogeneous topological structure that is unprecedented in condensed matter physics. The effective spin degree of freedom of such topologically protected modes determines their unique pathways through these systems, free from backscattering and able to travel around sharp corners. As an instance of their novel properties, we experimentally demonstrate reflection-less photonic devices including a 2-port isolator, a unique 3-port topological device, and a full 4-port circulator based on composite QH and QSH structures.},
doi = {10.1103/PhysRevB.100.085118},
journal = {Physical Review B},
number = 8,
volume = 100,
place = {United States},
year = {2019},
month = {8}
}

Journal Article:
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