205 citations · 540 across the 30 of their papers we have counts for
15 papers · 1 filter
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…
Demonstration of hybrid high-Q hexagonal boron nitride microresonators
Anustup Das, Dong Jun Lee, Prasoon K. Shandilya +9
Hexagonal boron nitride (hBN) is a wide bandgap van der Waals material that is emerging as a powerful platform for quantum optics and nanophotonics. In this work, we demonstrate wh…
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…
Fabrication of photonic resonators in bulk 4H-SiC
Otto Cranwell Schaeper, Johannes E. Fröch, Sejeong Kim +4
The design and engineering of photonic architectures, suitable to enhance, collect and guide light on chip is needed for applications in quantum photonics and quantum optomechanics…
Nanofabrication of high Q, transferable, diamond resonators
Blake Regan, Aleksandra Trycz, Johannes E. Fröch +3
Advancement of diamond based photonic circuitry requires robust fabrication protocols of key components, including diamond resonators and cavities. Here, we present 1D (nanobeam) p…
Characterization of single photon sources for radiometry applications at room temperature
Hee-Jin Lim, Dong-Hoon Lee, In-ho Bae +5
A single photon source with high repeatability and low uncertainties is the key element for few-photon metrology based on photon numbers. While low photon number fluctuations and h…
Photonic devices fabricated from (111) oriented single crystal diamond
Blake Regan, Sejeong Kim, Anh Tu Huy Ly +5
Diamond is a material of choice in the pursuit of integrated quantum photonic technologies. So far, the majority of photonic devices fabricated from diamond, are made from (100)-or…
Second-harmonic generation in multilayer hexagonal boron nitride flakes
Sejeong Kim, Johannes E. Fröch, Augustine Gardner +3
We report second-harmonic generation (SHG) from thick hexagonal boron nitride (hBN) flakes with approximately 109-111 layers. The resulting effective second-order susceptibility is…
Hexagonal boron nitride cavity optomechanics
Prasoon K. Shandilya, Johannes E. Fröch, Matthew Mitchell +7
Hexagonal boron nitride (hBN) is an emerging layered material that plays a key role in a variety of two-dimensional devices, and has potential applications in nanophotonics and nan…
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…
Effects of Fano resonance on optical chirality of planar plasmonic nanodevices
Yongsop Hwang, Seojoo Lee, Sejeong Kim +2
The effects of Fano resonance on the optical chirality of planar plasmonic nanodevices in the visible wavelength range are experimentally observed and theoretically explained. The…
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…