557 citations · 1.9k across the 67 of their papers we have counts for
24 papers · 1 filter
Mid-infrared reconfiguration of population flow in lanthanide nanocrystals
Xinyang Yu, Yin Huang, Karin Yamamura +15
Converting mid-infrared (MIR) radiation to visible or near-infrared wavelengths is essential for imaging and sensing, yet achieving sensitive, low-power, and scalable detection rem…
Mid-Infrared Modulation of Quantum Emitters in Hexagonal Boron Nitride
Karin Yamamura, Xinyang Yu, Chaohao Chen +3
Single photon emitters (SPEs) are promising building blocks for practical devices in quantum technologies. Traditionally, these systems are excited using off-resonant visible light…
Coupling nitrogen vacancy centers in silicon carbide to nanophotonic resonators
Ivan Zhigulin, Konosuke Shimazaki, Samuel M. Stephens +5
Silicon carbide (SiC) is a promising platform for scalable quantum technologies owing to its well-established, wafer-scale industrial processing. SiC also hosts a variety of optica…
Deterministic integration of quantum emitters and optical cavities in a van der Waals crystal
James Liddle-Wesolowski, Otto Cranwell Schaeper, Nathan Coste +6
Single-photon emitters in hexagonal boron nitride (hBN) combine bright optical emission with optically addressable spin states, offering a promising platform for integrated quantum…
Quantum Emitters in Rhombohedral Boron Nitride
Angus Gale, Mehran Kianinia, Jake Horder +8
Rhombohedral boron nitride (rBN) is an emerging wide-bandgap van der Waals (vdW) material that combines strong second-order nonlinear optical properties with the structural flexibi…
Quantum Efficiency the B-centre in hexagonal boron nitride
Karin Yamamura, Nathan Coste, Helen Zhi Jie Zeng +3
B-centres in hexagonal boron nitride (hBN) are gaining significant research interest for quantum photonics applications due to precise emitter positioning and highly reproducible e…
Optically addressable spin defects coupled to bound states in the continuum metasurfaces
Luca Sortino, Angus Gale, Lucca Kühner +9
Van der Waals (vdW) materials, including hexagonal boron nitride (hBN), are layered crystalline solids with appealing properties for investigating light-matter interactions at the…
Manipulating the Charge State of Spin Defects in Hexagonal Boron Nitride
Angus Gale, Dominic Scognamiglio, Ivan Zhigulin +4
Negatively charged boron vacancies () in hexagonal boron nitride (hBN) have recently gained interest as spin defects for quantum information processing and quantum s…
Monolithic Platform for Integrated Quantum Photonics with Hexagonal Boron Nitride
Milad Nonahal, Chi Li, Haoran Ren +4
Integrated quantum photonics (IQP) provides a path to practical, scalable quantum computation, communications and information processing. Realization of an IQP platform requires in…
Photophysics of blue quantum emitters in hexagonal Boron Nitride
Ivan Zhigulin, Karin Yamamura, Viktor Ivády +6
Colour centres in hexagonal boron nitride (hBN) have emerged as intriguing contenders for integrated quantum photonics. In this work, we present detailed photophysical analysis of…
Coupling Spin Defects in Hexagonal Boron Nitride to Titanium Oxide Ring Resonators
Milad Nonahal, Chi Li, Febiana Tjiptoharsono +7
Spin-dependent optical transitions are attractive for a plethora of applications in quantum technologies. Here we report on utilization of high quality ring resonators fabricated f…
Monolithic Silicon Carbide Metalenses
Otto Cranwell Schaeper, Ziwei Yang, Mehran Kianinia +6
Silicon carbide has emerged as a promising material platform for quantum photonics and nonlinear optics. These properties make the development of integrated photonic components in…
Electrical Control of Quantum Emitters in a Van der Waals Heterostructure
Simon J. U. White, Tieshan Yang, Nikolai Dontschuk +6
Controlling and manipulating individual quantum systems in solids underpins the growing interest in development of scalable quantum technologies. Recently, hexagonal boron nitride…
Purcell enhancement of a cavity-coupled emitter in hexagonal boron nitride
Johannes E. Fröch, Chi Li, Yongliang Chen +4
Integration of solid state quantum emitters into nanophotonic circuits is a critical step towards fully on-chip quantum photonic based technologies. Among potential materials platf…
Coupling Spin Defects in a Layered Material to Nanoscale Plasmonic Cavities
Noah Mendelson, Ritika Ritika, Mehran Kianinia +11
Spin defects in hexagonal boron nitride, and specifically the negatively charged boron vacancy (VB) centres, are emerging candidates for quantum sensing. However, the VB defects su…
Coupling spin defects in hexagonal boron nitride to monolithic bullseye cavities
Johannes E. Fröch, Lesley Spencer, Mehran Kianinia +6
Color centers in hexagonal boron nitride (hBN) are becoming an increasingly important building block for quantum photonic applications. Herein, we demonstrate the efficient couplin…
Optical repumping of resonantly excited quantum emitters in hexagonal boron nitride
Simon J. U. White, Ngoc My Hanh Duong, Alexander S. Solntsev +3
Resonant excitation of solid-state quantum emitters enables coherent control of quantum states and generation of coherent single photons, which are required for scalable quantum ph…
Quantum Random Number Generation using a Solid-State Single-Photon Source
Simon J. U. White, Friederike Klauck, Toan Trong Tran +8
Quantum random number generation (QRNG) harnesses the intrinsic randomness of quantum mechanical phenomena. Demonstrations of such processes have, however, been limited to probabil…
Room Temperature Initialisation and Readout of Intrinsic Spin Defects in a Van der Waals Crystal
Andreas Gottscholl, Mehran Kianinia, Victor Soltamov +7
Optically addressable spins in widebandgap semiconductors have become one of the most prominent platforms for exploring fundamental quantum phenomena. While several candidates in 3…
Enhanced Emission from WSe2 Monolayers Coupled to Circular Bragg Gratings
Ngoc My Hanh Duong, Zai-Quan Xu, Mehran Kianinia +8
Two-dimensional transition-metal dichalcogenides (TMDC) are of great interest for on-chip nanophotonics due to their unique optoelectronic properties. Here, we propose and realize…
Single crystal diamond membranes containing germanium vacancy color centers
Kerem Bray, Blake Regan, Aleksandra Trycz +6
Single crystal diamond membranes that host optically active emitters are highly attractive components for integrated quantum nanophotonics. In this work we demonstrate bottom-up sy…
Nanoassembly of quantum emitters in hexagonal boron nitride and gold nanospheres
Minh Nguyen, Sejeong Kim, Toan Trong Tran +4
Assembly of quantum nanophotonic systems with plasmonic resonators are important for fundamental studies of single photon sources as well as for on-chip information processing. In…
Super-resolution imaging of quantum emitters in layered materials
Mehran Kianinia, Carlo Bradac, Fan Wang +10
Layered van der Waals materials are emerging as compelling two-dimensional (2D) platforms for studies of nanophotonics, polaritonics, valleytronics and spintronics, and have the po…
Robust, directed assembly of fluorescent nanodiamonds
Mehran Kianinia, Andreas W. Schell, Olga Shimoni +4
Arrays of fluorescent nanoparticles are highly sought after for applications in sensing and nanophotonics. Here we present a simple and robust method of assembling fluorescent nano…