activity
20182022
most citedOrientation independent room-temperature optical 13C hyperpolarization in powdered diamond

136 citations · 324 across the 9 of their papers we have counts for

collaborators

8 papers

quant-ph2022

Microfluidic quantum sensing platform for lab-on-a-chip applications

Robin D. Allert, Fleming Bruckmaier, Nick R. Neuling +7

Lab-on-a-chip (LOC) applications have emerged as invaluable physical and life sciences tools. The advantages stem from advanced system miniaturization, thus, requiring far less sam…

physics.app-ph2022★ 12 cited

Using metal-organic frameworks to confine liquid samples for nanoscale NV-NMR

Kristina S. Liu, Xiaoxin Ma, Roberto Rizzato +5

Atomic-scale magnetic field sensors based on nitrogen vacancy (NV) defects in diamonds are an exciting platform for nanoscale nuclear magnetic resonance (NMR) spectroscopy. The det…

physics.app-ph2021★ 76 cited

Surface NMR using quantum sensors in diamond

Kristina S. Liu, Alex Henning, Markus W. Heindl +5

Characterization of the molecular properties of surfaces under ambient or chemically reactive conditions is a fundamental scientific challenge. Moreover, many traditional analytica…

cond-mat.mes-hall2019★ 42 cited

Dynamics of frequency-swept nuclear spin optical pumping in powdered diamond at low magnetic fields

Pablo R. Zangara, Siddharth Dhomkar, Ashok Ajoy +7

A broad effort is underway to improve the sensitivity of nuclear magnetic resonance through the use of dynamic nuclear polarization. Nitrogen-vacancy (NV) centers in diamond offer…

quant-ph2019★ 54 cited

Hyperpolarized relaxometry based nuclear T1 noise spectroscopy in hybrid diamond quantum registers

Ashok Ajoy, Ben Safvati, Raffi Nazaryan +14

Understanding the origins of spin lifetimes in hybrid quantum systems is a matter of current importance in several areas of quantum information and sensing. Methods that spectrally…

quant-ph2018★ 4 cited

Room temperature "Optical Nanodiamond Hyperpolarizer": physics, design and operation

Ashok Ajoy, Raffi Nazaryan, Emanuel Druga +12

Dynamic Nuclear Polarization (DNP) is a powerful suite of techniques that deliver multifold signal enhancements in NMR and MRI. The generated athermal spin states can also be explo…

quant-ph2018

Wide dynamic range magnetic field cycler: Harnessing quantum control at low and high fields

A. Ajoy, X. Lv, E. Druga +11

We describe the construction of a fast field cycling device capable of sweeping a 4-order-of-magnitude range of magnetic fields, from ~1mT to 7T, in under 700ms. Central to this sy…

physics.app-ph2018★ 136 cited

Orientation independent room-temperature optical 13C hyperpolarization in powdered diamond

A. Ajoy, K. Liu, R. Nazaryan +15

Dynamic nuclear polarization via contact with electronic spins has emerged as an attractive route to enhance the sensitivity of nuclear magnetic resonance (NMR) beyond the traditio…