JJ Oon | Walsworth Group

Jner Tzern (JJ) Oon

Graduate Student

Ph.D. Physics, University of Maryland, College Park, 2025
M.S. Physics, Boston University, 2020
B.S. Physics and Astrophysics, UC Berkeley, 2017

JJ’s research focuses on quantum control techniques and their applications to sensing.

jjoon@umd.edu

Google Scholar Citations

ORCiD iD

Publications

Eigenframe Synchronization in Disordered Driven Quantum Ensembles. Saipriya Satyajit, Zechuan Yin, Jner Tzern Oon, Katrijn Everaert, Smriti Bhalerao, John W. Blanchard, Christopher Jarzynski, and Ronald L. Walsworth. arXiv:2608.17026 (2026). PDF
BibTeX
@article{Satyajit2026, sort_date = {2026-08-17}, sort_date_type = {arxiv-submitted}, title = {Eigenframe Synchronization in Disordered Driven Quantum Ensembles}, author = {Saipriya Satyajit and Zechuan Yin and Jner Tzern Oon and Katrijn Everaert and Smriti Bhalerao and John W. Blanchard and Christopher Jarzynski and Ronald L. Walsworth}, journal = {arXiv:2608.17026}, year = {2026}, month = {August}, eprint = {2608.17026}, archiveprefix = {arXiv}, primaryclass = {quant-ph}, url_link = {https://arxiv.org/abs/2608.17026}, url_pdf = {/files/2026/08/2608.17026v1.pdf}, keywords = {quantum-sensing} }

arXiv
Beyond average Hamiltonian theory for quantum sensing. Jner Tzern Oon, Sebastian C. Carrasco, Connor A. Hart, George A. Witt, Vladimir S. Malinovsky, and Ronald Walsworth. Phys. Rev. Res. 8, 013222 (2026). link PDF
BibTeX
@article{Oon2026, sort_date = {2026-02-26}, sort_date_type = {journal-publication}, title = {Beyond average Hamiltonian theory for quantum sensing}, author = {Oon, Jner Tzern and Carrasco, Sebastian C. and Hart, Connor A. and Witt, George A. and Malinovsky, Vladimir S. and Walsworth, Ronald}, journal = {Phys. Rev. Res.}, volume = {8}, issue = {1}, pages = {013222}, numpages = {7}, year = {2026}, month = {Feb}, publisher = {American Physical Society}, doi = {10.1103/w2sf-zxdk}, url_link = {https://link.aps.org/doi/10.1103/w2sf-zxdk}, url_pdf = {/files/2026/02/2026_Oon_PRResearch.pdf}, keywords = {quantum-sensing}, eprint = {2410.04296}, archiveprefix = {arXiv} }

arXiv

AC magnetometry in the strong drive regime with NV centers in diamond. Katrijn Everaert, Saipriya Satyajit, Jiashen Tang, Zechuan Yin, Xiechen Zheng, Jner Tzern Oon, Connor A. Hart, John W. Blanchard, and Ronald L. Walsworth. arXiv:2510.05471v1 (2025). PDF
BibTeX
@article{EVERAERT2025, sort_date = {2025-10-07}, sort_date_type = {arxiv-submitted}, title = {AC magnetometry in the strong drive regime with NV centers in diamond}, author = {Katrijn Everaert and Saipriya Satyajit and Jiashen Tang and Zechuan Yin and Xiechen Zheng and Jner Tzern Oon and Connor A. Hart and John W. Blanchard and Ronald L. Walsworth}, journal = {arXiv:2510.05471v1}, year = {2025}, month = {10}, day = {7}, eprint = {2510.05471}, archiveprefix = {arXiv}, primaryclass = {quant-ph}, url_link = {https://arxiv.org/abs/2510.05471}, url_pdf = {/files/2025/10/2510.05471v1.pdf}, keywords = {quantum-sensing} }

arXiv
TEMPO: A Python Package for Time Evolution of Pulse Sequences in QuTiP. Jner Tzern Oon, Sonja A. Hakala, George A. Witt, and Ronald Walsworth. arXiv:2502.11389v1 (2025). PDF
BibTeX
@article{OON2025, sort_date = {2025-02-17}, sort_date_type = {arxiv-submitted}, title = {TEMPO: A Python Package for Time Evolution of Pulse Sequences in QuTiP}, author = {Jner Tzern Oon and Sonja A. Hakala and George A. Witt and Ronald Walsworth}, journal = {arXiv:2502.11389v1}, year = {2025}, month = {2}, day = {17}, eprint = {2502.11389}, archiveprefix = {arXiv}, primaryclass = {quant-ph}, url_link = {https://arxiv.org/abs/2502.11389}, url_pdf = {/files/2025/02/2502.11389v1.pdf}, keywords = {quantum-sensing} }

arXiv

Quantum diamond microscope for dynamic imaging of magnetic fields. Jiashen Tang, Zechuan Yin, Connor A. Hart, John W. Blanchard, Jner Tzern Oon, Smriti Bhalerao, Jennifer M. Schloss, Matthew J. Turner, and Ronald L. Walsworth. AVS Quantum Science 5, 044403 (2023). link PDF
BibTeX
@article{TANG2023_b, sort_date = {2023-12}, sort_date_type = {journal-issue}, author = {Tang, Jiashen and Yin, Zechuan and Hart, Connor A. and Blanchard, John W. and Oon, Jner Tzern and Bhalerao, Smriti and Schloss, Jennifer M. and Turner, Matthew J. and Walsworth, Ronald L.}, title = {{Quantum diamond microscope for dynamic imaging of magnetic fields}}, journal = {AVS Quantum Science}, volume = {5}, number = {4}, pages = {044403}, year = {2023}, month = {11}, issn = {2639-0213}, doi = {10.1116/5.0176317}, url_link = {https://doi.org/10.1116/5.0176317}, url_pdf = {/files/2023/11/Tang_2023.pdf}, keywords = {quantum-sensing}, eprint = {2309.06587}, archiveprefix = {arXiv} }

arXiv
Quantum Logic Enhanced Sensing in Solid-State Spin Ensembles. Nithya Arunkumar, Kevin S. Olsson, Jner Tzern Oon, Connor A. Hart, Dominik B. Bucher, David R. Glenn, Mikhail D. Lukin, Hongkun Park, Donhee Ham, and Ronald L. Walsworth. Phys. Rev. Lett. 131, 100801 (2023). link PDF supplement
BibTeX
@article{Arunkumar2023, sort_date = {2023-09-05}, sort_date_type = {journal-publication}, title = {Quantum Logic Enhanced Sensing in Solid-State Spin Ensembles}, author = {Arunkumar, Nithya and Olsson, Kevin S. and Oon, Jner Tzern and Hart, Connor A. and Bucher, Dominik B. and Glenn, David R. and Lukin, Mikhail D. and Park, Hongkun and Ham, Donhee and Walsworth, Ronald L.}, journal = {Phys. Rev. Lett.}, volume = {131}, issue = {10}, pages = {100801}, numpages = {7}, year = {2023}, month = {Sep}, publisher = {American Physical Society}, doi = {10.1103/PhysRevLett.131.100801}, url_link = {https://link.aps.org/doi/10.1103/PhysRevLett.131.100801}, url_pdf = {/files/2023/09/2023_Arunkumar_prl.pdf}, url_supplement = {/files/2023/09/2023_Arunkumar_prl_sup.pdf}, keywords = {quantum-sensing, nmr-mri}, eprint = {2203.12501}, archiveprefix = {arXiv} }

arXiv

Ramsey envelope modulation in NV diamond magnetometry. Jner Tzern Oon, Jiashen Tang, Connor A. Hart, Kevin S. Olsson, Matthew J. Turner, Jennifer M. Schloss, and Ronald L. Walsworth. Phys. Rev. B 106, 054110 (2022). link PDF supplement
BibTeX
@article{Oon2022_PRB, sort_date = {2022-08-26}, sort_date_type = {journal-publication}, title = {Ramsey envelope modulation in NV diamond magnetometry}, author = {Oon, Jner Tzern and Tang, Jiashen and Hart, Connor A. and Olsson, Kevin S. and Turner, Matthew J. and Schloss, Jennifer M. and Walsworth, Ronald L.}, journal = {Phys. Rev. B}, volume = {106}, issue = {5}, pages = {054110}, numpages = {9}, year = {2022}, month = {Aug}, comment = {08}, keywords = {quantum-sensing}, publisher = {American Physical Society}, doi = {10.1103/PhysRevB.106.054110}, url_link = {https://link.aps.org/doi/10.1103/PhysRevB.106.054110}, url_pdf = {/files/2022/08/2022_Oon_PRB.pdf}, url_supplement = {/files/2022/08/2022_Oon_PRB_supp.pdf}, eprint = {2205.02387}, archiveprefix = {arXiv} }

arXiv

Jner Tzern (JJ) Oon

Publications

2026

2025

2023

2022