5 papers
Spin bath mediated long-lived coherent oscillations of NV centers in diamond
Akshat Rana, Pooja Lamba, Basanta Mistri +3
Decoherence is the biggest bottleneck in all quantum technologies. For nitrogen-vacancy (NV) centers in diamond, the loss of coherence is caused by the electron and nuclear spin ba…
Phonon-bottlenecked spin relaxation of Er:CaWO at milliKelvin temperatures
S. Rajendran, B. Mistri, P. K. Sharma +5
We study spin-lattice relaxation times of electron spins in Er:CaWO at millikelvin temperature, detected via their coupling to a low-mode volume superconducting resonato…
Towards second-long electron spin coherence of a telecom quantum emitter in naturally abundant CeO
Basanta Mistri, Vishal Ranjan, Siddharth Dhomkar
Rare-earth-ion-doped crystals has emerged as a promising platform for quantum technologies, owing to their narrow telecom-band optical emission, long spin memory, and compatibility…
Identifying optimal magnetic field configurations for decoherence mitigation of boron vacancies in hexagonal boron nitride
Basanta Mistri, Saksham Mahajan, Felix Donaldson +2
The negatively charged boron vacancy center in 2D hexagonal boron nitride has emerged as a promising quantum sensor. However, its sensitivity is constrained due to ubiquitous nucle…
Impact of irradiation conditions on the magnetic field sensitivity of spin defects in hBN nano flakes
Saksham Mahajan, Ravi Kumar, Aferdita Xhameni +8
We study centres generated by helium focused ion beam (FIB) irradiation in thin (70 nm) hBN nanoflakes, in order to investigate the effect of implantation…