78 citations · 195 across the 14 of their papers we have counts for
14 papers
Nanophotonic quantum magnetometry in a spin-dense diamond cavity
Nicholas J. Sorensen, Elham Zohari, Joshua S. Wildeman +3
Quantum sensors based on the nitrogen-vacancy (NV) center in diamond are leading platforms for high-sensitivity magnetometry with nanometer-scale resolution. State-of-the-art imple…
Reversing Annealing-Induced Optical Loss in Diamond Microcavities
Vinaya K. Kavatamane, Natalia C. Carvalho, Ahmas El-Hamamsy +2
A key challenge for quantum photonic technologies based on spin qubits is the creation of optically active defects in photonic resonators. Several of the most promising defects for…
Single-Spin Nitrogen-Vacancy Hybrid Magnetometer with Enhanced Static Field Sensitivity
Vinaya K. Kavatamane, Dewen Duan, Hadi Zadeh-Haghighi +2
Precision sensing and imaging of weak static magnetic fields are crucial for a variety of emerging nanoscale applications. While nitrogen-vacancy (NV) centers in diamond provide ex…
Erbium-Doped Fibre Quantum Memory for Chip-Integrated Quantum-Dot Single Photons at 980 nm
Nasser Gohari Kamel, Arsalan Mansourzadeh, Ujjwal Gautam +8
The realization of long-distance quantum communication and the envisioned quantum internet relies on coherent hybrid light-matter interfaces connecting quantum light emitters with…
Enhanced quantum magnetometry with a laser-written integrated photonic diamond chip
Yanzhao Guo, Giulio Coccia, Vinaya Kumar Kavatamane +8
An ensemble of negatively charged nitrogen-vacancy centers in diamond can act as a precise quantum sensor even under ambient conditions. In particular, to optimize thier sensitivit…
Optical Switching of in Diamond Photonics
Sigurd Flågan, Joe Itoi, Prasoon K. Shandilya +4
Diamond's unique physical properties make it a versatile material for a wide range of nonlinear and quantum photonic technologies. However, unlocking diamond's full potential as a…
Nonlinear optical charge state switching and pumping to a diamond NV center dark state
Prasoon K. Shandilya, Vinaya K. Kavatamane, Sigurd Flågan +3
The photodynamics of diamond nitrogen-vacancy (NV) centers limits their performance in many quantum technologies. Quenching of photoluminescence, which degrades NV readout, is comm…
Master equation-based model for infrared-based magnetometry with nitrogen-vacancy centers in diamond cavities: a path to sub-picotesla sensitivity at sub-millimeter scales
Hadi Zadeh-Haghighi, Omid Golami, Vinaya Kumar Kavatamane +2
Our study aims to increase the spatial resolution of high-sensitivity magnetometry based on singlet-transition infrared (IR) absorption using nitrogen-vacancy (NV) centers in diamo…
Laser-written waveguide-integrated coherent spins in diamond
Yanzhao Guo, John P. Hadden, Federico Gorrini +12
Quantum emitters, such as the negatively charged nitrogen-vacancy center in diamond, are attractive for quantum technologies such as nano-sensing, quantum information processing, a…
Diamond Integrated Quantum Photonics: A Review
Prasoon K. Shandilya, Sigurd Flågan, Natalia C. Carvalho +4
Integrated quantum photonics devices in diamond have tremendous potential for many quantum applications, including long-distance quantum communication, quantum information processi…
Tapered ultra-high Numerical Aperture optical fiber tip for Nitrogen Vacancy ensembles based endoscope in a fluidic environment
Dewen Duan, Vinaya Kumar Kavatamane, Sri Ranjini Arumugam +3
Fixing a diamond containing a high density of Nitrogen-Vacancy (NV) center ensembles on the apex of a multimode optical fiber (MMF) extends the applications of NV-based endoscope s…
Efficient nitrogen-vacancy centers' fluorescence excitation and collection from micrometer-sized diamond by a tapered optical fiber
Dewen Duan, Guanxiang Du, Vinaya Kumar Kavatamane +4
Efficiently excite nitrogen-vacancy (NV) centers in diamond and collect their fluorescence significantly benefit the fiber-optic-based NV sensors. Here, using a tapered optical fib…
Enhancing fluorescence excitation and collection from the nitrogen-vacancy center in diamond through a micro-concave mirror
Dewen Duan, Vinaya Kumar Kavatamane, Sri Ranjini Arumugam +7
We experimentally demonstrate a simple and robust optical fibers based method to achieve simultaneously efficient excitation and fluorescence collection from Nitrogen-Vacancy (NV)…
Dynamical sensitivity control of a single-spin quantum sensor
Andrii Lazariev, Silvia Arroyo-Camejo, Ganesh Rahane +2
The Nitrogen-Vacancy (NV) defect in diamond is a unique quantum system that offers precision sensing of nanoscale physical quantities beyond the current state-of-the-art. Here we p…