activity
20182026
most citedOrientation independent room-temperature optical 13C hyperpolarization in powdered diamond

136 citations · 507 across the 26 of their papers we have counts for

collaborators

28 papers

quant-ph2026

Room-temperature quantum-sensing molecular crystals grown in minutes

Madhur Parashar, Guangzhao Chen, Emanuel Druga +3

Quantum sensing increasingly demands materials combining room-temperature optical spin addressability and coherent control with rapid, accessible fabrication. Yet semiconductor pla…

quant-ph2026

Dense pentacene cocrystal demonstrates room-temperature coherent control

Noella D'Souza, Guangzhao Chen, Madhur Parashar +13

Maximizing the number of addressable spins within a fixed volume can improve ensemble quantum sensor sensitivity, but dense packing usually increases dipolar interactions and excit…

quant-ph2026

Prethermal rotating-frame solid echo in a dipolar nuclear-spin network

Quentin Reynard-Feytis, William Beatrez, Leo Joon Il Moon +2

Floquet prethermalization can endow interacting quantum solids with long-lived, approximately conserved quantities, enabling Hamiltonian engineering and new dynamical probes. Using…

physics.chem-ph2026

DFT-assisted natural abundance 13C zero-field NMR via optical magnetometry

Blake Andrews, Xiao Liu, Raphael Zumbrunn +5

Zero-field (ZF) nuclear magnetic resonance (NMR) spectroscopy probes scalar J-couplings between nuclei while dispensing with large homogeneous magnetic fields, enabling low-cost an…

quant-ph2026

Robust Quantum Sensing via Prethermal Spin Orbits

Enrico Daniel Richter, Ryan J. Smith, Brayden Glockzin +3

Practical performance of quantum sensors is often curtailed by uncontrolled environmental drift (bias-field instability, temperature fluctuations, mechanical vibration), background…

physics.optics2025

Optically Detected Magnetic Resonance Imaging and Sensing Within Functionalized Additively Manufactured Microporous Structures

Brian W. Blankenship, Yoonsoo Rho, Zachary Jones +7

Quantum sensing with nitrogen-vacancy centers in diamond has emerged as a powerful tool for measuring diverse physical parameters, yet the versatility of these measurement approach…

quant-ph2024

Cryogenic field-cycling instrument for optical NMR hyperpolarization studies

Noella D'Souza, Kieren A. Harkins, Cooper Selco +10

Optical dynamic nuclear polarization (DNP) offers an attractive approach to enhancing the sensitivity of nuclear magnetic resonance (NMR) spectroscopy. Efficient, optically-generat…

quant-ph2024★ 2 cited

High sensitivity pressure and temperature quantum sensing in organic crystals

Harpreet Singh, Noella DSouza, Joseph Garrett +6

The inherent sensitivity of quantum sensors to their physical environment can make them good reporters of parameters such as temperature, pressure, strain, and electric fields. Her…

quant-ph2024★ 2 cited

Anomalously extended Floquet prethermal lifetimes and applications to long-time quantum sensing

Kieren A. Harkins, Cooper Selco, Christian Bengs +8

Floquet prethermalization is observed in periodically driven quantum many-body systems where the system avoids heating and maintains a stable, non-equilibrium state, for extended p…

quant-ph2024★ 8 cited

Sensing with discrete time crystals

Leo Joon Il Moon, Paul M. Schindler, Ryan J. Smith +4

Prethermal discrete time crystals (PDTCs) are a nonequilibrium state of matter characterized by long-range spatiotemporal order, and exhibiting a subharmonic response stabilized by…

physics.ins-det2024★ 2 cited

High-sensitivity multichannel zero-to-ultralow field NMR with atomic magnetometer arrays

Blake Andrews, Matthew Lai, Zhen Wang +4

Despite its versatility and high chemical specificity, conventional NMR spectroscopy is limited in measurement throughput due to the need for high-homogeneity magnetic fields, nece…

quant-ph2024

High-precision chemical quantum sensing in flowing monodisperse microdroplets

Adrisha Sarkar, Zachary Jones, Madhur Parashar +14

We report on a novel flow-based method for high-precision chemical detection that integrates quantum sensing with droplet microfluidics. We deploy nanodiamond particles hosting flu…

quant-ph2024★ 11 cited

Experimental observation of a time rondeau crystal: Temporal Disorder in Spatiotemporal Order

Leo Joon Il Moon, Paul Manuel Schindler, Yizhe Sun +6

Our understanding of phases of matter relies on symmetry breaking, one example being water ice whose crystalline structure breaks the continuous translation symmetry of space. Rece…

quant-ph2024★ 30 cited

Room-temperature quantum sensing with photoexcited triplet electrons in organic crystals

Harpreet Singh, Noella D'Souza, Keyuan Zhong +6

Quantum sensors have notably advanced high-sensitivity magnetic field detection. Here, we report quantum sensors constructed from polarized spin-triplet electrons in photoexcited o…

quant-ph2023★ 4 cited

Nanoscale engineering and dynamical stabilization of mesoscopic spin textures

Kieren Harkins, Christoph Fleckenstein, Noella D'Souza +16

Thermalization phenomena, while ubiquitous in quantum systems, have traditionally been viewed as obstacles to be mitigated. In this study, we demonstrate the ability, instead, to h…

quant-ph2022★ 3 cited

Continuously tracked, stable, large excursion trajectories of dipolar coupled nuclear spins

Ozgur Sahin, Hawraa Al Asadi, Paul Schindler +9

We report an experimental approach to excite, stabilize, and continuously track Bloch sphere orbits of dipolar-coupled nuclear spins in a solid. We demonstrate these results on a m…

quant-ph2022★ 51 cited

Observation of a critical prethermal discrete time crystal created by two-frequency driving

William Beatrez, Christoph Fleckenstein, Arjun Pillai +8

We report the observation of long-lived Floquet prethermal discrete time crystalline (PDTC) order in a three-dimensional position-disordered lattice of interacting dipolar-coupled…

quant-ph2021★ 37 cited

High-Field Magnetometry with Hyperpolarized Nuclear Spins

Ozgur Sahin, Erica de Leon Sanchez, Sophie Conti +7

Quantum sensors have attracted broad interest in the quest towards sub-micronscale NMR spectroscopy. Such sensors predominantly operate at low magnetic fields. Instead, however, fo…

quant-ph2021★ 18 cited

Rapidly enhanced spin polarization injection in an optically pumped spin ratchet

Adrisha Sarkar, Brian Blankenship, Emanuel Druga +6

Rapid injection of spin polarization into an ensemble of nuclear spins is a problem of broad interest, spanning dynamic nuclear polarization (DNP) to quantum information science. W…

quant-ph2021★ 3 cited

Floquet prethermalization with lifetime exceeding 90s in a bulk hyperpolarized solid

William Beatrez, Otto Janes, Amala Akkiraju +9

We report the observation of long-lived Floquet prethermal states in a bulk solid composed of dipolar-coupled C nuclei in diamond at room temperature. For precessing nuclear…

quant-ph2020★ 3 cited

Dynamical decoupling in interacting systems: applications to signal-enhanced hyperpolarized readout

A. Ajoy, R. Nirodi, A. Sarkar +13

Methods that preserve coherence broadly impact all quantum information processing and metrology applications. Dynamical decoupling methods accomplish this by protecting qubits in n…

physics.app-ph2019★ 16 cited

High temperature annealing enhanced diamond 13C hyperpolarization at room temperature

M. Gierth, V. Krespach, A. I. Shames +16

Methods of optical dynamic nuclear polarization (DNP) open the door to the replenishable hyperpolarization of nuclear spins, boosting their NMR/MRI signature by orders of magnitude…

physics.ins-det2019★ 1 cited

High contrast dual-mode optical and 13C magnetic resonance imaging in diamond particles

X. Lv, J. H. Walton, E. Druga +12

Multichannel imaging -- the ability to acquire images of an object through more than one imaging mode simultaneously -- has opened interesting new perspectives in areas ranging fro…

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…