activity
20162026
most citedQuantum micro-nano devices fabricated in diamond by femtosecond laser and ion irradiation

57 citations · 131 across the 13 of their papers we have counts for

collaborators

19 papers

quant-ph2026

Nitrogen Vacancy Centers in Diamond for Quantum Biosensing: Magnetometry Techniques, Platforms and Applications

Sirsendu Ghosal, Umakant Prajapati, Sachin Negi +3

Quantum sensing using nitrogen-vacancy (NV) centers in diamond has emerged as a powerful platform for detecting ultra-low magnetic fields under ambient conditions. Owing to their l…

quant-ph2026

A Hybrid Jump-Diffusion Model for Coherent Optical Control of Quantum Emitters in hBN

Saifian Farooq Bhat, Michael K. Koch, Sachin Negi +2

Hexagonal boron nitride (hBN) has emerged as a promising two-dimensional host for stable single-photon emission owing to its wide bandgap, high photostability, and compatibility wi…

physics.optics2025

Femtosecond laser-written nano-ablations containing bright antibunched emitters on gallium nitride

Yanzhao Guo, Giulio Coccia, Vibhav Bharadwaj +5

Femtosecond laser-writing offers distinct capabilities for fabrication, including three-dimensional, multi-material, and sub-diffraction-limited patterning. In particular, demonstr…

physics.optics2024

Optical and microstructural studies of femtosecond laser treated amorphous germanium thin coatings

L. Kotsedi, A. Abdelmalek, V. Bharadwaj +8

The study of the relaxation mechanism of amorphous germanium after femtosecond laser irradiation is presented in this work. In particular, a thin germanium coating was deposited on…

quant-ph2024

Vector Magnetometry Using Shallow Implanted NV Centers in Diamond with Waveguide-Assisted Dipole Excitation and Readout

Sajedeh Shahbazi, Giulio Coccia, Argyro N. Giakoumaki +8

On-chip magnetic field sensing with Nitrogen-Vacancy (NV) centers in diamond requires scalable integration of 3D waveguides into diamond substrates. Here, we develop a sensing arra…

quant-ph2024★ 10 cited

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…