activity
20212026
most citedMapping AC Susceptibility with Quantum Diamond Microscope

6 citations · 6 across the 9 of their papers we have counts for

collaborators

10 papers

quant-ph2026

Portable Vector NV-Diamond Magnetometer for Shot-Noise-Limited, Drift-Free Operation in Unshielded Environments

Annirudh K P, Vinayak Rane, Shradha Atakar +5

Ensemble nitrogen-vacancy (NV) diamond magnetometers combine high sensitivity with vector-field reconstruction, but practical deployment is limited by errors arising from high-freq…

physics.ins-det2025

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…

quant-ph2024

Real-time Simultaneous Dual Sensing of Temperature and Magnetic Field using NV-based Nano-diamonds

Sonia Sarkar, Namita Agrawal, Dasika Shishir +1

Quantum sensors based on Nitrogen Vacancy (NV) centers in diamond are highly capable of sensing multiple physical quantities. In this study, we use amplitude-modulated lock-in dete…

physics.ins-det2024

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.…

quant-ph2024

Observation of Ultra-low AC Susceptibility in Micro-magnets Using Quantum Diamond Microscope

Dasika Shishir, Matthew L. Markham, Kasturi Saha

AC susceptometry, unlike static susceptometry, offers a deeper insight into magnetic materials. By employing AC susceptibility measurements, one can glean into crucial details rega…

quant-ph2024

High dynamic-range and portable magnetometer using ensemble nitrogen-vacancy centers in diamond

Himanshu Kumar, Dasika Shishir, Maheshwar Mangat +2

Nitrogen vacancy (NV) centers in diamonds have been explored for realizing a wide range of sensing applications in the last decade due to their unique quantum properties. Here we r…

cond-mat.mes-hall2024

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…

physics.app-ph2022★ 6 cited

Mapping AC Susceptibility with Quantum Diamond Microscope

Shishir Dasika, Madhur Parashar, Kasturi Saha

We present a novel technique for determining the microscale AC susceptibility of magnetic materials. We use magnetic field sensing properties of nitrogen-vacancy (\ce{NV-}) centers…

quant-ph2022

Decoupling Nuclear Spins via Interaction-Induced Freezing in Nitrogen Vacancy Centers in Diamond

Abhishek Kejriwal, Dasika Shishir, Sumiran Pujari +1

Nitrogen-Vacancy (NV) centers in diamonds provide a room-temperature platform for various emerging quantum technologies, e.g. the long nuclear spin coherence times as potential qua…

cond-mat.mes-hall2021

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…