37. Low-field microwave-mediated optical hyperpolarization in optically pumped diamond
A. Ajoy, A. Sarkar, E. Druga, P. Zangara, D. Pagliero, C. A. Meriles, and J. A. Reimer [PDF]
Journal of Magnetic Resonance 331, 107021 (2021).
36. Background-free dual-mode optical and 13C magnetic resonance imaging in diamond particles
X. Lv, J.H. Walton, E. Druga, F. Wang, A. Aguilar, T. McKnelly, R. Nazaryan, F. L. Liu, L. Wu, O. Shenderova, D. B. Vigneron, C. A. Meriles, J. A. Reimer, A. Pines, A. Ajoy* [PDF] [SI]
arXiv:1909.08064 — Proc. Natl. Acad. Sci. USA 118, 21 (2021).
Highlight by Berkeley news: Diamonds engage both optical microscopy and MRI for better imaging,
OSA: Dual-Mode Imaging with Diamond Particles, Physics World, Tech Explorist, and by 10+ news outlets including EurekAlert!, ScienMag, Phys.org, Science Daily.
35. Magnetic field induced delocalization in hybrid electron-nuclear spin ensembles
D. Pagliero†, P.R. Zangara†, J. Henshaw, A. Ajoy, R.H. Acosta, J. Reimer, A. Pines, C.A. Meriles [PDF]
Phys. Rev. B 103, 064310 (2021)
34. Nuclear spin temperature reversal via continuous radio-frequency driving
P.R. Zangara†, D. Pagliero†, A. Ajoy, R.H. Acosta, J.A. Reimer, C.A. Meriles [PDF]
Phys. Rev. B 103, 085205 (2021)
33. Imaging Sequences for Hyperpolarized Solids
X. Lv, J. Walton, E. Druga, R. Nazaryan, H. Mao, A. Pines, A. Ajoy, J.A. Reimer [PDF]
Molecules 2021, 26(1), 133
32. High temperature annealing enhanced diamond 13C hyperpolarization at room temperature
M. Gierth, V. Krespach, A. I. Shames, P. Raghavan, E. Druga, N. Nunn, M. Torelli, R. Nirodi, S. Le, R. Zhao, A. Aguilar, X. Lv, M. Shen, C. A. Meriles, J. A. Reimer, A. Zaitsev, A. Pines, O. Shenderova, and A. Ajoy* [PDF]
arXiv:1911.03322 — Advanced Quantum Technologies 2000050 (2020) .
31. Dynamical decoupling in interacting systems: applications to signal-enhanced hyperpolarized readout
A. Ajoy*, R. Nirodi, A. Sarkar, P. Reshetikhin, E. Druga, A. Akkiraju, M. McAllister, G. Maineri, S. Le, A. Lin, A. M. Souza, C. A. Meriles, B. Gilbert, D. Suter, J. A. Reimer, and A. Pines [PDF]
arXiv:2008.08323
30. High-fidelity Trotter formulas for digital quantum simulation
Y.X. Liu, J. Hines, Z. Li, A. Ajoy, and P. Cappellaro [PDF]
arXiv:1807.07664 — Phys. Rev. A (Rapid Comm.), 102, 010601(R), (2020).
29. Optically pumped spin polarization as a probe of many-body thermalization
D. Pagliero, P. R. Zangara, J. Henshaw, A. Ajoy, R. H. Acosta, J. A. Reimer, A. Pines, C. A. Meriles [PDF] [SI]
arXiv:2005.00647 — Science Advances 16, eaaz6986 (2020) .
28. Room temperature “Optical Nanodiamond Hyperpolarizer”: physics, design and operation
A. Ajoy*, R. Nazaryan, E. Druga, K. Liu, A. Aguilar, B. Han, M. Gierth, J. T. Oon, B. Safvati, R. Tsang, J. H. Walton, D. Suter, C. A. Meriles, J. A. Reimer and A. Pines [PDF]
arXiv:1811.10218 — Rev. Sci. Instru. 91, 023106 (2020) .
Youtube video highlighting "Ultracompact Nanodiamond Hyperpolarizer".
27. Hyperpolarized relaxometry based nuclear T1 noise spectroscopy in hybrid diamond quantum register
A. Ajoy*, B. Safvati, R. Nazaryan, J. T. Oon, B. Han, P. Raghavan, R. Nirodi, A. Aguilar, K. Liu, X. Cai, X. Lv, E. Druga, C. Ramanathan, J. A. Reimer, C. A. Meriles, D. Suter, and A. Pines [PDF] [SI]
arXiv:1902.06204 — Nature Communications 10, 5160 (2019) .
26. 13C dynamic nuclear polarization in diamond via a microwave-free ‘integrated’ cross effect
J. Henshaw, D. Pagliero, P.R. Zangara, B. Franzoni, A. Ajoy, R. Acosta, J. Reimer, A. Pines, C. A. Meriles [PDF]
Proc. Natl. Acad. Sci. USA 116, 18334 (2019).
25. Cross-sensor feedback stabilization of an emulated quantum spin gyroscope
J.-C. Jaskula†, K. Saha†, A. Ajoy, D. J. Twitchen, M. Markham, and P. Cappellaro [PDF]
arXiv:1808.04494 — Phys. Rev. Applied 11, 054010 (2019)
24. Dynamic Hamiltonian engineering of 2D rectangular lattices in a one-dimensional ion chain
F. Rajabi, S. Motlakunta, C.-Y. Shih, N. Kotibhaskar, Q. Quraishi, A. Ajoy, and R. Islam [PDF]
arXiv:1808.06124 — npj Quantum Information 5, 32 (2019)
23. Two-electron-spin ratchets as a platform for microwave-free dynamic nuclear polarization of arbitrary material targets
P.R. Zangara, J. Henshaw, D. Pagliero, A. Ajoy, J. Reimer, A. Pines, C. Meriles [PDF]
arXiv:1904.08563 — Nano Letters 19, 2389 (2019)
22. Nanoscale vector DC magnetometry via ancilla assisted frequency up-conversion
Y. X. Liu†, A. Ajoy† and P. Cappellaro [PDF] [SI]
arXiv:1611.04691 — Phys. Rev. Lett. 122, 100501 (2019)
Spotlighted by MIT News
21. Wide dynamic range magnetic field cycler: Harnessing quantum control at low and high fields
YouTube video highlighting "Wide dynamic field cycling".
YouTube video highlighting "Printing coils for NMR".
A. Ajoy*, X. Lv, E. Druga, K. Liu, B. Safvati, A. Morabe, M. Fenton, R. Nazaryan, S. Patel, T. Sjolander, J. Reimer, D Sakellariou, C. Meriles and A. Pines [PDF]
arXiv:1808.06124 — Rev. Sci. Instru. 90, 013112 (2019)
20. Dynamics of frequency-swept nuclear spin optical pumping in powdered diamond at low magnetic fields
P.R. Zangara, S. Dhomkar, A. Ajoy, K. Liu, R. Nazaryan, D. Pagliero, D. Suter, J. Reimer, A. Pines, C. Meriles [PDF] [SI]
Proc. Natl. Acad. Sci., 1811994116, (2019).
19. Selective decoupling and Hamiltonian engineering in dipolar spin networks
A. Ajoy*†, U. Bissbort†, D. Poletti and P. Cappellaro [PDF] [SI]
arXiv:1710.03987 — Phys. Rev. Lett. 122, 013205 (2019)
18. Enhanced dynamic nuclear polarization via swept microwave frequency combs
Blurb here
A. Ajoy*, R. Nazaryan, K. Liu, X. Lv, B. Safvati, G. Wang, E. Druga, J. A. Reimer, D. Suter, C. Ramanathan, C. A. Meriles and A. Pines [PDF] [SI]
arXiv:1807.07664 — Proc. Natl. Acad. Sci., 1807125115, (2018).