205 citations · 525 across the 11 of their papers we have counts for
13 papers
Meta-Optics Triplet for Zoom Imaging at Mid-Wave Infrared
Anna Wirth-Singh, Arturo Martin Jimenez, Minho Choi +5
Lenses with dynamic focal length, also called zoom functionality, enable a variety of applications related to imaging and sensing. The traditional approach of stacking refractive l…
Wide Field of View Large Aperture Meta-Doublet Eyepiece
Anna Wirth-Singh, Johannes E. Fröch, Fan Yang +10
Wide field of view and light weight optics are critical for advanced eyewear, with applications in augmented/virtual reality and night vision. Conventional refractive lenses are of…
Quantum interference of resonance fluorescence from Germanium-vacancy color centers in diamond
Disheng Chen, Johannes Froech, Shihao Ru +8
Resonance fluorescence from a quantum emitter is an ideal source to extract indistinguishable photons. By using the cross polarization to suppress the laser scattering, we observed…
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…
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…
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…
Recoil Implantation Using Gas-Phase Precursor Molecules
Angus Gale, Johannes E. Fröch, Mehran Kianinia +3
Ion implantation underpins a vast range of devices and technologies that require precise control over the physical, chemical, electronic, magnetic and optical properties of materia…
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…
Coherent Manipulation with Resonant Excitation and Single Emitter Creation of Nitrogen Vacancy Centers in 4H Silicon Carbide
Zhao Mu, S. A. Zargaleh, H. J. von Bardeleben +7
Silicon carbide (SiC) has become a key player in realization of scalable quantum technologies due to its ability to host optically addressable spin qubits and wafer-size samples. H…
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…
Optical switching of resonance fluorescence from a single germanium vacancy color center in diamond
Disheng Chen, Zhao Mu, Yu Zhou +5
Scalable quantum photonic networks require coherent excitation of quantum emitters. However, many solid-state systems can undergo a transition to a dark shelving state that inhibit…
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…
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…