activity
20232025
collaborators

5 papers

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…

quant-ph2025

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…

quant-ph2024

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…

cond-mat.mes-hall2024

Determining Strain Components in a Diamond Waveguide from Zero-Field ODMR Spectra of NV Center Ensembles

M. Sahnawaz Alam, Federico Gorrini, Michał Gawełczyk +13

The negatively charged nitrogen-vacancy (NV) center in diamond has shown great potential in nanoscale sensing and quantum information processing due to its rich spin physics.…

physics.optics2023

Photo-dynamics of quantum emitters in aluminum nitride

Yanzhao Guo, John P. Hadden, Rachel N. Clark +2

Aluminum nitride is a technologically important wide bandgap semiconductor which has been shown to host bright quantum emitters. In this paper, we probe the photodynamics of quantu…