activity
20182023
most citedLow-threshold topological nanolasers based on second-order corner state

279 citations · 913 across the 27 of their papers we have counts for

collaborators

27 papers

physics.optics2023★ 15 cited

Magnetic Exciton-Polariton with Strongly Coupled Atomic and Photonic Anisotropies

Qiuyang Li, Xin Xie, Adam Alfrey +10

Anisotropy plays a key role in science and engineering. However, the interplay between the material and engineered photonic anisotropies has hardly been explored due to the vastly…

cond-mat.mes-hall2023★ 3 cited

Asymmetric Chiral Coupling in a Topological Resonator

Shushu Shi, Xin Xie, Sai Yan +16

Chiral light-matter interactions supported by topological edge modes at the interface of valley photonic crystals provide a robust method to implement the unidirectional spin trans…

cond-mat.mes-hall2023

Controllable Spin-Resolved Photon Emission Enhanced by Slow-Light Mode in Photonic Crystal Waveguides on Chip

Shushu Shi, Shan Xiao, Jingnan Yang +17

We report the slow-light enhanced spin-resolved in-plane emission from a single quantum dot (QD) in a photonic crystal waveguide (PCW). The slow light dispersions in PCWs are desig…

cond-mat.mes-hall2022★ 3 cited

Single charge control of localized excitons in heterostructures with ferroelectric thin films and two-dimensional transition metal dichalcogenides

Danjie Dai, Xinyan Wang, Jingnan Yang +14

Single charge control of localized excitons (LXs) in two-dimensional transition metal dichalcogenides (TMDCs) is crucial for potential applications in quantum information processin…

cond-mat.mes-hall2022★ 63 cited

Strong light-matter interactions between gap plasmons and two-dimensional excitons at ambient condition in a deterministic way

Longlong Yang, Xin Xie, Jingnan Yang +13

Strong exciton-plasmon interaction between the layered two-dimensional (2D) semiconductors and gap plasmons shows a great potential to implement cavity quantum-electrodynamics in a…

cond-mat.mtrl-sci2021

Enhanced valley polarization in WS/LaMnO heterostructure

Jianchen Dang, Mingwei Yang, Xin Xie +6

Monolayer transition metal dichalcogenides have attracted great attentions for potential applications in valleytronics. However, the valley polarization degree is usually not high…

physics.optics2021★ 23 cited

Optimization and robustness of topological corner state in second-order topological photonic crystal

Xin Xie, Jianchen Dang, Sai Yan +10

The second-order topological photonic crystal with 0D corner state provides a new way to investigate cavity quantum electrodynamics and develop topological nanophotonic devices wit…

physics.optics2021★ 53 cited

Topological cavity based on slow light topological edge mode for broadband Purcell enhancement

Xin Xie, Sai Yan, Jianchen Dang +14

Slow light in topological valley photonic crystal structures offers new possibilities to enhance light-matter interaction. We report a topological cavity based on slow light topolo…

physics.optics2021

Chiral photonic circuits for deterministic spin transfer

Shan Xiao, Shiyao Wu, Xin Xie +14

Chiral quantum optics has attracted considerable interest in the field of quantum information science. Exploiting the spin-polarization properties of quantum emitters and engineeri…

cond-mat.mes-hall2021★ 13 cited

Enhanced emission from a single quantum dot in a microdisk at a deterministic diabolical point

Jingnan Yang, Shushu Shi, Xin Xie +12

We report on controllable cavity modes through controlling the backscattering by two identical scatterers. Periodic changes of the backscattering coupling between two degenerate ca…

cond-mat.mes-hall2021★ 23 cited

Position-dependent chiral coupling between single quantum dots and cross waveguides

Shan Xiao, Shiyao Wu, Xin Xie +12

Chiral light-matter interaction between photonic nanostructures with quantum emitters shows great potential to implement spin-photon interfaces for quantum information processing.…

cond-mat.mes-hall2021★ 20 cited

Strong Triplet-Exciton-LO-Phonon Coupling in Two-Dimensional Layered Organic-Inorganic Hybrid Perovskite Single Crystal Microflakes

Yunuan Wang, Feilong Song, Yu Yuan +6

Two-dimensional (2D) layered hybrid perovskites provide an ideal platform for studying the properties of excitons. Here, we report on a strong triplet-exciton and longitudinal-opti…

cond-mat.mes-hall2020★ 7 cited

Large photoluminescence enhancement by an out-of-plane magnetic field in exfoliated WS flakes

Sibai Sun, Jianchen Dang, Xin Xie +11

We report an out-of-plane magnetic field induced large photoluminescence enhancement in WS flakes at K, in contrast to the photoluminescence enhancement provided by in-pl…

cond-mat.mes-hall2020★ 12 cited

Electron and hole g tensors of neutral and charged excitons in single quantum dots by high-resolution photocurrent spectroscopy

Shiyao Wu, Kai Peng, Xin Xie +11

We report a high-resolution photocurrent (PC) spectroscopy of a single self-assembled InAs/GaAs quantum dot (QD) embedded in an n-i-Schottky device with an applied vector magnetic…

cond-mat.mes-hall2020★ 94 cited

Cavity Quantum Electrodynamics with Second-Order Topological Corner State

Xin Xie, Weixuan Zhang, Xiaowu He +11

Topological photonics provides a new paradigm in studying cavity quantum electrodynamics with robustness to disorder. In this work, we demonstrate the coupling between single quant…

physics.optics2020★ 279 cited

Low-threshold topological nanolasers based on second-order corner state

Weixuan Zhang, Xin Xie, Huiming Hao +9

The topological lasers, which are immune to imperfections and disorders, have been recently demonstrated based on many kinds of robust edge states, being mostly at microscale. The…

cond-mat.mes-hall2020★ 78 cited

Identifying defect-related quantum emitters in monolayer WSe

Jianchen Dang, Sibai Sun, Xin Xie +12

Monolayer transition metal dichalcogenides have recently attracted great interests because the quantum dots embedded in monolayer can serve as optically active single photon emitte…

physics.optics2020★ 34 cited

Diabolical Points in Coupled Active Cavities with Quantum Emitters

Jingnan Yang, Chenjiang Qian, Xin Xie +17

In single microdisks, embedded active emitters intrinsically affect the cavity mode of microdisks, which results in a trivial symmetric backscattering and a low controllability. He…

cond-mat.mes-hall2019★ 11 cited

Hot Polarons with Trapped Excitons and Octahedra-Twist Phonons in CH3NH3PbBr3 Hybrid Perovskite Nanowires

Feilong Song, Chenjiang Qian, Yunuan Wang +13

Hybrid Perovskites have shown a great potential for applications in photovoltaics and light-emitting devices with high efficiency. Interaction between defect-induced trapped excito…

cond-mat.mes-hall2019★ 15 cited

Anisotropies of the g-factor tensor and diamagnetic coefficient in crystal-phase quantum dots in InP nanowires

Shiyao Wu, Kai Peng, Sergio Battiato +17

Crystal-phase low-dimensional structures offer great potential for the implementation of photonic devices of interest for quantum information processing. In this context, unveiling…

physics.optics2019★ 5 cited

A Cratered Photonic Crystal Cavity Mode for Nonlocal Exciton-Photon Interactions

Chenjiang Qian, Xin Xie, Jingnan Yang +1

Optical nanocavities for coherent interfaces usually have their electric field maximum at the center point, which normally benefits interactions with small local quantum emitters.…

cond-mat.mes-hall2019★ 11 cited

Many-Body Effect of Mesoscopic Localized States in MoS Monolayer

Yang Yu, Jianchen Dang, Chenjiang Qian +13

Transition metal dichalcogenide monolayers provide an emerging material system to implement quantum photonics with intrinsic two-dimensional excitons or embedded zero-dimensional l…

cond-mat.mes-hall2019★ 12 cited

Large g factor in bilayer WS flakes

Sibai Sun, Yang Yu, Jianchen Dang +15

The valley of transition metal dichalcogenides provides an additional platform to manipulate spin due to its unique selection rule. Normally, intralayer optical transitions in magn…

cond-mat.mes-hall2019★ 5 cited

Tuning the carrier tunneling in a single quantum dot with a magnetic field in Faraday geometry

Kai Peng, Shiyao Wu, Xin Xie +8

We report on an increase in the carrier tunneling time in a single quantum dot (QD) with a magnetic field in Faraday geometry using photocurrent spectroscopy. A nearly 60\% increas…