205 citations · 540 across the 30 of their papers we have counts for
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Monolithic Integration of Single Quantum Emitters in hBN Bullseye Cavities
Lesley Spencer, Jake Horder, Sejeong Kim +2
The ability of hexagonal boron nitride to host quantum emitters in the form of deep-level color centers makes it an important material for quantum photonic applications. This work…
Integration of hBN quantum emitters in monolithically fabricated waveguides
Chi Li, Johannes E. Fröch, Milad Nonahal +4
Hexagonal boron nitride (hBN) is gaining interest for potential applications in integrated quantum nanophotonics. Yet, to establish hBN as an integrated photonic platform several c…
Large few-layer hexagonal boron nitride flakes for nonlinear optics
Nils Bernhardt, Sejeong Kim, Johannes E. Froch +7
Hexagonal boron nitride (hBN) is a layered dielectric material with a wide range of applications in optics and photonics. In this work, we demonstrate a fabrication method for few-…
Grain Dependent Growth of Bright Quantum Emitters in Hexagonal Boron Nitride
Noah Mendelson, Luis Morales, Chi Li +7
Point defects in hexagonal boron nitride have emerged as a promising quantum light source due to their bright and photostable room temperature emission. In this work, we study the…
Valley Polarization Enhancement Induced by a Single Chiral Nanoparticle
Sejeong Kim, Yae Chan Lim, Ryeong Myeong Kim +4
Valley polarization is amongst the most critical attributes of atomically thin materials. However, achieving a high contrast from monolayer transition metal dichalcogenides (TMDs)…
Anapole resonances in low-index materials
Nicholas Joel Damaso, Sejeong Kim
Photonic cavities are valued in current research owing to the multitude of linear and nonlinear effects arising from densely confined light. Cavity designs consisting of low loss d…
Photonic nanobeam cavities with nano-pockets for efficient integration of fluorescent nanoparticles
Johannes E. Fröch, Sejeong Kim, Connor Stewart +5
Integrating fluorescent nanoparticles with high-Q, small mode volume cavities is indispensable for nanophotonics and quantum technologies. To date, nanoparticles have largely been…
Versatile Direct Writing of Dopants in a Solid State Host Through Recoil Implantation
Johannes E. Fröch, Alan Bahm, Mehran Kianinia +8
Modifying material properties at the nanoscale is crucially important for devices in nanoelectronics, nanophotonics and quantum information. Optically active defects in wide band g…
Coupling hBN quantum emitters to 1D photonic crystal cavities
Johannes E. Fröch, Sejeong Kim, Noah Mendelson +3
Quantum photonics technologies require a scalable approach for integration of non-classical light sources with photonic resonators to achieve strong light confinement and enhanceme…
Integrated on chip platform with quantum emitters in layered materials
Sejeong Kim, Ngoc My Hanh Duong, Minh Nguyen +7
Integrated quantum photonic circuitry is an emerging topic that requires efficient coupling of quantum light sources to waveguides and optical resonators. So far, great effort has…
Fabrication of photonic nanostructures from hexagonal boron nitride
Johannes E. Fröch, Yongsop Hwang, Sejeong Kim +2
Growing interest in devices based on layered van der Waals (vdW) materials is motivating the development of new nanofabrication methods. Hexagonal boron nitride (hBN) is one of the…
Photonic Crystal Cavities from Hexagonal Boron Nitride
Sejeong Kim, Johannes E. Fröch, Joe Christian +7
Development of scalable quantum photonic technologies requires on-chip integration of components such as photonic crystal cavities and waveguides with nonclassical light sources. R…
Design of photonic microcavities in hexagonal boron nitride
Sejeong Kim, Milos Toth, Igor Aharonovich
We propose and design photonic crystal cavities (PCCs) in hexagonal boron nitride (hBN) for diverse photonic and quantum applications. Two dimensional (2D) hBN flakes contain quant…