78 citations · 504 across the 25 of their papers we have counts for
25 papers
Full Polarization Control of Photons with Evanescent Wave Coupling in the Ultra Subwavelength Gap of Photonic Molecules
Rui Zhu, Chenjiang Qian, Shan Xiao +16
Polarization of photons plays a key role in quantum optics and light-matter interactions, however, it is difficult to control in nanosystems since the eigenstate of a nanophotonic…
Local high chirality near exceptional points based on asymmetric backscattering
Jingnan Yang, Hancong Li, Sai Yan +2
We investigate local high chirality inside a microcavity near exceptional points (EPs) achieved via asymmetric backscattering by two internal weak scatterers. At EPs, coalescent ei…
Non-orthogonal cavity modes near exceptional points in the far field
Jingnan Yang, Shushu Shi, Sai Yan +10
Non-orthogonal eigenstates are a fundamental feature of non-Hermitian systems and are accompanied by the emergence of nontrivial features. However, the platforms to explore non-Her…
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…
Transport of topologically protected photonic waveguide on chip
Sai Yan, Jingnan Yang, Shushu Shi +3
We propose a new 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 cry…
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…
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…
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…
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…
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…
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…
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.…
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…
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…
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…
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…
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…
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…
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.…
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…
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…
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…
Enhanced Strong Interaction between Nanocavities and p-shell Excitons Beyond the Dipole Approximation
Chenjiang Qian, Xin Xie, Jingnan Yang +11
Large coupling strengths in exciton-photon interactions are important for quantum photonic network, while strong cavity-quantum-dot interactions have been focused on s-shell excito…
Giant Photocurrent Enhancement by Coulomb Interaction in a Single Quantum Dot for Energy Harvesting
Kai Peng, Shiyao Wu, Xin Xie +9
Understanding the carrier excitation and transport processes at the single-charge level plays a key role in quantum-dot-based solar cells and photodetectors. Here, we report on Cou…