Optical microcavity
View article: Coexistence of weak and strong coupling in a photonic molecule through dissipative coupling to a quantum dot
Coexistence of weak and strong coupling in a photonic molecule through dissipative coupling to a quantum dot Open
We study the emission from a molecular photonic cavity formed by two proximal photonic crystal defect cavities containing a small number ( < 3 ) $(< 3)$ of In(Ga)As quantum dots. Under strong excitation, we observe photoluminescence …
View article: Bidirectional Wavelength Tuning in an Optofluidic Fiber Microcavity Laser Directed by Rhodamine 6G and Co-Dopants
Bidirectional Wavelength Tuning in an Optofluidic Fiber Microcavity Laser Directed by Rhodamine 6G and Co-Dopants Open
Achieving controllable wavelength tuning in optofluidic whispering gallery mode microcavity lasers is crucial for high-throughput, multi-sample, multiplexed biochemical sensing and multifunctional integrated photonic devices. This paper de…
View article: Micro-current and voltage detection based on metal-dielectric core-shell WGM microcavity
Micro-current and voltage detection based on metal-dielectric core-shell WGM microcavity Open
View article: Parallel DNA Molecular Analysis Platform Based on a Plano-Concave Fabry–Pérot Microcavity Laser Array
Parallel DNA Molecular Analysis Platform Based on a Plano-Concave Fabry–Pérot Microcavity Laser Array Open
We present a parallel DNA molecular analysis platform based on an array of plano-concave Fabry–Pérot (PC-FP) microcavity lasers that enables the simultaneous, sequence-specific detection of multiple DNA targets. Each PC-FP cavity is functi…
View article: Purcell-Enhanced and Tunable Single-Photon Emission from Telecom Quantum Dots in Circular Photonic Crystal Resonators
Purcell-Enhanced and Tunable Single-Photon Emission from Telecom Quantum Dots in Circular Photonic Crystal Resonators Open
View article: Silicon-on-Silica Microring Resonators for High-Quality, High-Contrast, High-Speed All-Optical Logic Gates
Silicon-on-Silica Microring Resonators for High-Quality, High-Contrast, High-Speed All-Optical Logic Gates Open
With the increasing demand for ultrafast optical signal processing, silicon-on-silica (SoS) waveguides with ring resonators have emerged as a promising platform for integrated all-optical logic gates (AOLGs). In this work, we design and si…
View article: Application of optical squeezing to microresonator based optical sensors
Application of optical squeezing to microresonator based optical sensors Open
High-Q optical microresonators combine low losses and high optical energy concentration in a small effective mode volume, making them an attractive platform for optical sensors. While light is confined in the microresonator by total intern…
View article: Application of optical squeezing to microresonator based optical sensors
Application of optical squeezing to microresonator based optical sensors Open
High-Q optical microresonators combine low losses and high optical energy concentration in a small effective mode volume, making them an attractive platform for optical sensors. While light is confined in the microresonator by total intern…
View article: Enhanced spectral range of strain-induced tuning of quantum dots in circular Bragg grating cavities
Enhanced spectral range of strain-induced tuning of quantum dots in circular Bragg grating cavities Open
Tunable sources of entangled and single photons are essential for implementing entanglement-based quantum information protocols, as quantum teleportation and entanglement swapping depend on photon indistinguishability. Tunable devices are …
View article: Enhanced spectral range of strain-induced tuning of quantum dots in circular Bragg grating cavities
Enhanced spectral range of strain-induced tuning of quantum dots in circular Bragg grating cavities Open
Tunable sources of entangled and single photons are essential for implementing entanglement-based quantum information protocols, as quantum teleportation and entanglement swapping depend on photon indistinguishability. Tunable devices are …
View article: 3D Imaging of Optical Modes in Dielectric Photonic Nanocavities with Sub-wavelength Field Confinement
3D Imaging of Optical Modes in Dielectric Photonic Nanocavities with Sub-wavelength Field Confinement Open
Dielectric optical cavities are emerging as viable platforms for efficiently concentrating light within extremely small volumes of sub-wavelength dimensions. This breaks with the notion that only plasmonic nanostructures can achieve this s…
View article: High Purcell enhancement in all-TMDC nanobeam resonator designs with optically active monolayers for nanolasers
High Purcell enhancement in all-TMDC nanobeam resonator designs with optically active monolayers for nanolasers Open
We propose a nanobeam resonator incorporating an optically active monolayer, designed to achieve a high Purcell enhancement. The resonator is fully composed of transition metal dichalcogenide (TMDC) materials and intended to operate as a h…
View article: A hybrid single quantum dot coupled cavity on a CMOS-compatible SiC photonic chip for Purcell-enhanced deterministic single-photon emission
A hybrid single quantum dot coupled cavity on a CMOS-compatible SiC photonic chip for Purcell-enhanced deterministic single-photon emission Open
View article: Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure
Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure Open
Low optical loss and high refractive index semiconductor materials are ideal for light-matter interactions at the nanoscale. In this work, we propose a two-dimensional perovskite core and silicon shell structure to study strong coupling be…
View article: Quantum light-matter interactions with organic molecules
Quantum light-matter interactions with organic molecules Open
Quantum light-matter interactions form the basis of many quantum technologies and much fundamental research. Organic molecules are an impressive platform for the generation of quantum light, both as single photon emitters and as collective…
View article: Quantum light-matter interactions with organic molecules
Quantum light-matter interactions with organic molecules Open
Quantum light-matter interactions form the basis of many quantum technologies and much fundamental research. Organic molecules are an impressive platform for the generation of quantum light, both as single photon emitters and as collective…
View article: Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure
Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure Open
Low optical loss and high refractive index semiconductor materials are ideal for light-matter interactions at the nanoscale. In this work, we propose a two-dimensional perovskite core and silicon shell structure to study strong coupling be…
View article: Generalised Purcell Factor Enhancement of Perovskite Nanocrystals in an Open Cavity at Room Temperature
Generalised Purcell Factor Enhancement of Perovskite Nanocrystals in an Open Cavity at Room Temperature Open
Cavity interactions are crucial to several high-efficiency photonic devices, such as resonant cavity light-emitting diodes (LEDs) and vertical cavity surface emitting lasers (VCSEL). In particular, optical microcavities are conventionally …
View article: A fast-tunable and stable fiber microcavity for coupling Ba+ ions in quantum networks
A fast-tunable and stable fiber microcavity for coupling Ba+ ions in quantum networks Open
View article: Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure
Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure Open
Low optical loss and high refractive index semiconductor materials are ideal for light-matter interactions at the nanoscale. In this work, we propose a two-dimensional perovskite core and silicon shell structure to study strong coupling be…
View article: Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure
Tunable strong coupling between excitons and magnetic Mie mode in 2D perovskite/silicon core/shell nanostructure Open
Low optical loss and high refractive index semiconductor materials are ideal for light-matter interactions at the nanoscale. In this work, we propose a two-dimensional perovskite core and silicon shell structure to study strong coupling be…
View article: Readily fibre-coupled static microcavity for exploring NV<sup>–</sup> lasing
Readily fibre-coupled static microcavity for exploring NV<sup>–</sup> lasing Open
The realization of a continuous wave laser from the nitrogen-vacancy (NV–) color centres in diamond is proposed as an efficient scheme to improve the sensitivity of room-temperature magnetometers. This thesis develops a stable a…
View article: Ultrafast sensing of single-particle dynamics with an optofluidic microcavity
Ultrafast sensing of single-particle dynamics with an optofluidic microcavity Open
Nanoparticles are everywhere, and as they become increasingly relevant in science, medicine and technology, increasingly sophisticated methods are required to investigate them. Since most biochemistry occurs in an aqueous environment, tech…
View article: Readily fibre-coupled static microcavity for exploring NV<sup>–</sup> lasing
Readily fibre-coupled static microcavity for exploring NV<sup>–</sup> lasing Open
The realization of a continuous wave laser from the nitrogen-vacancy (NV–) color centres in diamond is proposed as an efficient scheme to improve the sensitivity of room-temperature magnetometers. This thesis develops a stable a…
View article: Low-threshold colloidal quantum dot polariton lasing <i>via</i> a strong coupling microcavity at room temperature
Low-threshold colloidal quantum dot polariton lasing <i>via</i> a strong coupling microcavity at room temperature Open
Schematic of the CQD-microcavity device. The angle-resolved emission spectrum of polariton lasing formation at RT, showing the exciton state (red line), bare cavity mode (blue line), and coupled LP mode (green line), is indicated.
View article: Topological Switching via Exceptional Point Pairs in an Optical Microcavity Laser
Topological Switching via Exceptional Point Pairs in an Optical Microcavity Laser Open
Conventional mode switching mechanisms, which rely on dynamically encircling exceptional points (EPs) through non-adiabatic transitions (NATs), suffer from intrinsic nonlinear dynamics that hinder precise control and reproducibility in exp…
View article: Utilizing light-matter re-coupling to enhance and control the superfluorescence in a semiconductor overdamped ring microcavity
Utilizing light-matter re-coupling to enhance and control the superfluorescence in a semiconductor overdamped ring microcavity Open
In this paper, we study the propagation and time-evolution behavior of superfluorescence in an overdamped semiconductor ring microcavity. By introducing a re-coupling mechanism between the unidirectionally propagating superfluorescence and…
View article: Stimulated down-conversion of single-photon emission in a quantum dot placed in a target-frequency microcavity
Stimulated down-conversion of single-photon emission in a quantum dot placed in a target-frequency microcavity Open
Currently, two optical processes are mainly used to realize single photon sources: deterministic transitions in a semiconductor quantum dot (QD) placed in a microcavity and spontaneous frequency down-conversion in materials with intrinsic …
View article: Enhanced Optomechanical Coupling between an Optically Levitated Particle and an Ultrahigh-<i>Q</i> Optical Microcavity
Enhanced Optomechanical Coupling between an Optically Levitated Particle and an Ultrahigh-<i>Q</i> Optical Microcavity Open
Exploring the dynamics of an optically levitated dielectric micro- and nanoparticle is an exciting new subject in quantum science. Recent years have witnessed rapid advancements in attaining quantum-limited optical detection and control of…
View article: High Efficiency Ultra‐Narrow Emission Quantum Dot Light‐Emitting Diodes Enabled by Microcavity
High Efficiency Ultra‐Narrow Emission Quantum Dot Light‐Emitting Diodes Enabled by Microcavity Open
A wide‐color‐gamut display enableby a narrow emission linewidth facilitates a visually immersive experience akin to the real world. Quantum dot light‐emitting diodes (QLEDs) with excellent color purity and high efficiency hold great promis…