Transport of a topologically protected photonic waveguide on-chip

S Yan, J Yang, S Shi, Z Zuo, C Wang, X Xu - Photonics Research, 2023 - opg.optica.org
We propose a design on integrated optical devices on-chip with an extra width degree of
freedom by using a photonic crystal waveguide with Dirac points between two photonic …

[HTML][HTML] Robust topological valley-locked waveguide transport in photonic heterostructures

Q Zhang, X Xing, D Zou, Y Liu, B Mao, G Zhang, J Yao… - Results in Physics, 2023 - Elsevier
Topological valley-locked edge state has arisen a rapidly developing research topic in
photonics for its gapless dispersion and immunity against intervalley scattering. However …

Electrical tunable topological valley photonic crystals for on-chip optical communications in the telecom band

Z Qi, G Hu, C Deng, H Sun, Y Sun, Y Li, B Liu, Y Bai… - …, 2022 - degruyter.com
On-chip optical communications are in increasingly demand for low-loss, small-footprint and
power-efficient waveguiding solutions in the telecom band. However, most integrated optical …

Novel optical XOR/OR logic gates based on topologically protected valley photonic crystals edges

MH Chao, B Cheng, QS Liu, WJ Zhang, Y Xu… - Journal of …, 2021 - iopscience.iop.org
Valley photonic crystals (VPCs) have provided a novel topological photonic platform to
manipulate light. In this work, we construct zigzag and armchair domain walls using two …

Recent progress in topological waveguides and nanocavities in a semiconductor photonic crystal platform

S Iwamoto, Y Ota, Y Arakawa - Optical Materials Express, 2021 - opg.optica.org
Topological photonics provides a novel route for designing and realizing optical devices
with unprecedented functionalities. Topological edge states, which are supported at the …

Transmissible topological edge states based on Su–Schrieffer–Heeger photonic crystals with defect cavities

Q Yan, R Ma, Q Lyu, X Hu, Q Gong - Nanophotonics, 2024 - degruyter.com
Topological photonic crystals have great potential in the application of on-chip integrated
optical communication devices. Here, we successfully construct the on-chip transmissible …

Asymmetric topological valley edge states on silicon‐on‐insulator platform

H Wang, L Sun, Y He, G Tang, S An… - Laser & Photonics …, 2022 - Wiley Online Library
Valley‐Hall photonic topological insulators (VPTIs) provide an intriguing approach to
suppress backscattering, enhance the robustness of transport, and shrink the footprints of …

Broadband and Fabrication Tolerant Power Coupling and Mode‐Order Conversion Using Thouless Pumping Mechanism

L Sun, H Wang, Y He, Y Zhang, G Tang… - Laser & Photonics …, 2022 - Wiley Online Library
Coupled‐waveguide devices are of central importance in on‐chip photonic circuits.
However, their performance usually suffers from high wavelength and structure sensitivity …

A topological photonic ring-resonator for on-chip channel filters

L Gu, Q Yuan, Q Zhao, Y Ji, Z Liu… - Journal of Lightwave …, 2021 - ieeexplore.ieee.org
A topologically protected ring-resonator formed in valley photonic crystals is proposed and
fabricated on a silicon slab. The unidirectional transmission and robustness against …

Slow light waveguides in topological valley photonic crystals

H Yoshimi, T Yamaguchi, Y Ota, Y Arakawa… - Optics Letters, 2020 - opg.optica.org
Valley photonic crystals (VPhCs) are an attractive platform for the implementation of
topologically protected optical waveguides in photonic integrated circuits (PICs). The …