6 papers
In-Substrate Imaging of Diamond hBN FET Current via Widefield Quantum Diamond Microscopy
Anuj Bathla, Subrat Kumar Pradhan, Ajit Kumar Dash +7
We demonstrate widefield magnetic imaging of current flow in hydrogen terminated diamond field effect transistors (FETs) through in-substrate nitrogen vacancy (NV) centers. Hydroge…
Observation of Shear Strain in Ion-Implanted Diamond Substrate and Diamond Nanophotonic Structures
Ayan Majumder, Vivek K Shukla, Anuj Bathla +4
Negatively charged nitrogen-vacancy (NV) centers and other color centers in diamonds have emerged as promising platforms for quantum communication, quantum information processing,…
Dictionary-Based Reconstruction of Spatio-Temporal 3D Magnetic Field Images from Quantum Diamond Microscope
Anuj Bathla, Madhur Parashar, Matthew Markham +2
Three-dimensional magnetic imaging with high spatio-temporal resolution is critical for probing current paths in various systems, from biosensing to microelectronics. Conventional…
Phase-Based Approaches for Rapid Construction of Magnetic Fields in NV Magnetometry
Prabhat Anand, Ankit Khandelwal, Achanna Anil Kumar +5
With the second quantum revolution underway, quantum-enhanced sensors are moving from laboratory demonstrations to field deployments, providing enhanced and even new capabilities.…
Optimized Current Density Reconstruction from Widefield Quantum Diamond Magnetic Field Maps
Siddhant Midha, Madhur Parashar, Anuj Bathla +3
Quantum Diamond Microscopy using Nitrogen-Vacancy (NV) defects in diamond crystals has enabled the magnetic field imaging of a wide variety of nanoscale current profiles. Intimatel…
Sub-second Temporal Magnetic Field Microscopy Using Quantum Defects in Diamond
Madhur Parashar, Anuj Bathla, Dasika Shishir +3
Wide field-of-view magnetic field microscopy has been realised by probing shifts in optically detected magnetic resonance (ODMR) spectrum of Nitrogen Vacancy (NV) defect centers in…