Publications

Thrasher, D.A., Schwindt, P.D., & Jau, Y. (2025). Performance of 3 cm³ ion trap vacuum package sealed for 10 years. Applied Physics Letters, 126(13). 10.1063/5.0243517

Bassett, C.R., Orozco, A.S., Ding, R., Sanchez, C.D., Schwindt, P.D., & Lee, J. (2024). Progress towards field-deployable time-multiplexed multi-axis acceleration sensing using high data rate cold atom interferometry [Presentation]. 10.2172/2585414

Iivanainen, J., Borna, A., & Schwindt, P.D. (2023). Single-trial classification of evoked responses to auditory tones using OPM- and SQUID-MEG [Conference Poster]. 10.2172/2463069

Schwindt, P.D., Iivanainen, J., Campbell, K., Bainbridge, J.E., Read, T.S., Little, B.J., Kehayias, P., Borna, A., Stephen, J.M., McKay, J., & Taulu, S. (2023). Toward an Optically Pumped Magnetometer Magnetoencephalography System with Full Head Coverage [Conference Poster]. 10.2172/2463060

Ding, R., Orozco, A.S., Schwindt, P.D., & Lee, J. (2023). Progress Towards a High Data Rate Grating Magneto-Optical Trap [Conference Poster]. 10.2172/2431035

Iivanainen, J., Borna, A., Carter, T.R., Bainbridge, J.E., Campbell, K.L., Read, T.S., Goldberg, J.D., Kehayias, P., Little, B.J., Abate, Q., Lerch, D.J., Seheon, M.E., McKay, J., Stephen, J.M., Yeo, W., Taulu, S., & Schwindt, P.D. (2023). Towards an Optically Pumped Magnetometer Magnetoencephalography System with Full Head Coverage [Poster]. 10.2172/2431025

Thrasher, D.A., Schwindt, P.D., Skogen, E.J., Fortuna, S.A., Alford, C., Smith, M.L., Subramania, G.S., Mondragon, J.J., Garcia, E., Rice, A., & Jau, Y. (2023). Performance of a 3 cc Yb+ trap as a microwave clock after 10 years [Conference Presentation]. 10.2172/2431332

Schwindt, P.D., Ding, R., van Tassle, A.J., Dexheimer, D.N., Coddington, I., & Cossel, K. (2023). Robust Dual Optical Frequency Comb Spectroscopy System for Greenhouse Gas Monitoring [Conference Poster]. 10.2172/2432074

Thrasher, D.A., Schwindt, P.D., Skogen, E.J., Fortuna, S.A., Alford, C., Subramania, G.S., Garcia, E., Rice, A., & Jau, Y. (2022). Performance of a 3 cc Yb+ trap as a microwave clock after 10 years [Conference Proceeding]. https://www.osti.gov/biblio/2432183

Lee, J., Ding, R., Christensen, J., Rosenthal, R.R., Ison, A., Gillund, D.P., Bossert, D., Fuerschbach, K.H., Kindel, W., Finnegan, P.S., Wendt, J.R., Gehl, M., Kodigala, A., McGuinness, H.J.E., Walker, C.A., Kemme, S.A., Lentine, A., Biedermann, G., & Schwindt, P.D. (2022). A compact cold-atom interferometer with a high data-rate grating magneto-optical trap and a photonic-integrated-circuit-compatible laser system [Conference Poster]. Nature Communications. 10.2172/2004463

Bainbridge, J.E., Claussen, N., Iivanainen, J., & Schwindt, P.D. (2022). High-Sensitivity rf Detection Using an Optically Pumped Comagnetometer Based on Natural-Abundance Rubidium with Active Ambient-Field Cancellation. Physical Review Applied, 18(4). 10.1103/physrevapplied.18.044052

Bainbridge, J.E., Claussen, N., Iivanainen, J., & Schwindt, P.D. (2022). Unshielded Operation of a Miniaturized Radiofrequency Magnetometer in Earth?s Field [Conference Poster]. 10.2172/2004486

Borna, A., Iivanainen, J., Carter, T., Stephen, J., McKay, J., Taulu, S., & Schwindt, P.D. (2022). Impact of Cross-Axis Projection Error of Optically Pumped Magnetometers on Calibration Accuracy of OPM-MEG Systems [Conference Poster]. 10.2172/2004473

Bainbridge, J.E., Claussen, N., Iivanainen, J., Bach, J., & Schwindt, P.D. (2022). Unshielded Operation of a Miniaturized Radiofrequency Magnetometer in Earth?s Field [Conference Presentation]. https://doi.org/10.2172/2004455

Schwindt, P.D. (2022). Toward an Optically Pumped Magnetometer Magnetoencephalography System with Full Head Coverage [Conference Poster]. 10.2172/2004433

Iivanainen, J., Kaleb, C., Little, B.J., Kehayias, P., Borna, A., Carter, T., & Schwindt, P.D. (2022). A pulsed SERF optically pumped magnetometer: Magnetic sensitivity analysis [Conference Poster]. 10.2172/2004370

Iivanainen, J., Borna, A., Carter, T., Campbell, K., Little, B.J., Kehayias, P., McKay, J., Stephen, J., Yeo, W., Taulu, S., & Schwindt, P.D. (2022). An on-scalp magnetoencephalography system based on optically pumped magnetometers: sensor development and calibration [Conference Poster]. 10.2172/2003619

Thrasher, D.A., Schwindt, P.D., & Serkland, D.K. (2022). DARPA H6 program Poster [Presentation]. https://www.osti.gov/biblio/2003149

Campbell, K.L., Wang, Y.J., Savukov, I., Schwindt, P.D., Jau, Y., & Shah, V. (2022). Gradient Field Detection Using Interference of Stimulated Microwave Optical Sidebands. Physical Review Letters, 128(16). 10.1103/physrevlett.128.163602

Iivanainen, J., Borna, A., Zetter, R., Carter, T.R., Stephen, J.M., McKay, J., Parkkonen, L., Taulu, S., & Schwindt, P.D. (2022). Calibration and Localization of Optically Pumped Magnetometers Using Electromagnetic Coils [Conference Poster]. Sensors. 10.3390/s22083059

Schwindt, P.D. (2022). Integrated Photonics and Vacuum Package Development for a Cold-Atom Interferometer [Conference Presentation]. 10.2172/2002485

Borna, A., Carter, T.R., & Schwindt, P.D. (2022). Functional Brain Imaging using an OPM-MEG [Conference Presentation]. 10.2172/2002337

Thrasher, D.A., Schwindt, P.D., Gunning, B.P., Skogen, E.J., Fortuna, S.A., Subramania, G.S., Crawford, M.H., & Jau, Y. (2022). An Ensemble of Prototype Yb+ Microwave Ion Clocks [Conference Presentation]. 10.2172/2002318

Yeo, W.J., Taulu, S., Borna, A., Iivanainen, J., & Schwindt, P.D. (2022). Effects of head model inaccuracies on MEG signals and source localization [Conference Presentation]. 10.2172/2002231

Teplansky, K.J., Dash, D., Iivanainen, J., Schwindt, P.D., Borna, A., & Wang, J. (2022). Decoding Auditory Tones from Brain Signals Recorded using OPM-MEG [Presentation]. https://www.osti.gov/biblio/2002018

Kehayias, P., Levine, E.V., Basso, L., Henshaw, J.D., Ziabari, M.S., Titze, M., Haltli, R.A., Okoro, J., Tibbetts, D.R., Udoni, D., Bielejec, E.S., Lilly, M., Lu, T.M., Schwindt, P.D., & Mounce, A.M. (2022). Measurement and Simulation of the Magnetic Fields from a 555 Timer Integrated Circuit Using a Quantum Diamond Microscope and Finite-Element Analysis. Physical Review Applied, 17(1). 10.1103/physrevapplied.17.014021

Schwindt, P.D. (2021). INTEGRATED PHOTONICS AND VACUUM PACKAGE DEVELOPMENT FOR A COLD-ATOM INTERFEROMETER [Conference Presentation]. 10.2172/2001525

Bainbridge, J.E., Claussen, N., Schwindt, P.D., & Bach, J. (2021). A Natural Rubidium Comagnetometer for Low Frequency Communications [Presentation]. https://www.osti.gov/biblio/1902202

Bainbridge, J.E., Claussen, N., Iivanainen, J., & Schwindt, P.D. (2021). An Actively Controlled Dual Species Rb Atomic Magnetometer for Low Frequency Communication [Conference Poster]. 10.2172/1891426

Borna, A., Iivanainen, J., Carter, T.R., & Schwindt, P.D. (2021). Cross-Axis Projection Error in Optically Pumped Magnetometers and its Implication for Magnetoencephalography Systems [Conference Presentation]. 10.2172/1890862

Walker, C., Schwindt, P.D., Lee, J., de Smet, D., Johnson, L., & Biederman, G. (2021). Fabricating a passively pumped vacuum chamber for cold-atom experiments [Conference Proceeding]. https://www.osti.gov/biblio/1890601

Walker, C., Schwindt, P.D., Lee, J., de Smet, D., Johnson, L., & Biederman, G. (2021). Fabricating a passively pumped vacuum chamber for cold-atom experiments [Conference Presentation]. 10.2172/1890865

Campbell, K.L., Wang, Y., Schwindt, P.D., Jau, Y., & Shah, V. (2021). Pulsed Magnetic Gradiometry in Earth's Field [Poster] [Conference Poster]. 10.2172/1890382

Bainbridge, J.E., Claussen, N., Iivanainen, J., & Schwindt, P.D. (2021). An Actively Controlled Dual Species Rb Atomic Magnetometer for Low Frequency Communication [Conference Presentation]. 10.2172/1883494

Schwindt, P.D. (2021). Moving Closer to the Brain: Introduction to On-Scalp Magnetoencephalography [Conference Presentation]. 10.2172/1877558

Schultz, J., Claussen, N., & Schwindt, P.D. (2021). Progress Towards a Multi-ion Optical Clock Based on a Linear Chain of Yb Ions [Conference Poster]. 10.2172/1872902

Schwindt, P.D. (2021). Towards a miniature cold-atom accelerometer [Presentation]. https://www.osti.gov/biblio/1869388

Schwindt, P.D. (2021). A cold atom interferometry sensor platform based on diffractive optics and integrated photonics [Conference Presentation]. 10.2172/1847030

Dash, D., Ferrari, P., Borna, A., Iivanainen, J., Schwindt, P.D., & Wang, J. (2020). Visual Decoding of Phrases from Occipital Neuromagnetic Signals [Conference Paper]. 10.1109/NER49283.2021.9441328

Soh, D.B.S., Lee, J., & Schwindt, P.D. (2020). Modeling of Atom Interferometer Accelerometer. 10.2172/1670252

Schwindt, P.D. (2020). A Cold Atom Interferometry Sensor Platform Based On Diffractive Optics and Integrated Photonics [Conference Poster]. https://www.osti.gov/biblio/1807424

Schwindt, P.D., Hoang, T.M., Overstreet, R., & Jau, Y. (2020). ${\mathrm{YbH}}^{+}$ formation in an ytterbium ion trap. Physical Review A, 101(2). 10.1103/PhysRevA.101.022705

Lee, J., McGuinness, H.J.E., Soh, D.B.S., Christensen, J., Ding, R., Finnegan, P.S., Hoth, G.W., Kindel, W., Little, B.J., Rosenthal, R.R., Wendt, J.R., Lentine, A.L., Eichenfield, M., Gehl, M., Kodigala, A., Siddiqui, A., Skogen, E.J., Vawter, G.A., Ison, A., … Biedermann, G. (2020). A COLD ATOM INTERFEROMETRY SENSOR PLATFORM BASED ON DIFFRACTIVE OPTICS AND INTEGRATED PHOTONICS [Conference Poster]. https://www.osti.gov/biblio/1766907

Lee, J., Biedermann, G., McGuinness, H.J.E., Soh, D.B.S., Christensen, J., Ding, R., Finnegan, P.S., Hoth, G.A., Kindel, W., Little, B.J., Rosenthal, R.R., Wendt, J.R., Lentine, A.L., Eichenfield, M., Gehl, M., Kodigala, A., Siddiqui, A., Skogen, E.J., Vawter, G.A., … Schwindt, P.D. (2019). DEPLOYABLE COLD ATOM INTERFEROMETRY SENSOR PLATFORMS BASED ON DIFFRACTIVE OPTICS AND INTEGRATED PHOTONICS [Conference Poster]. https://www.osti.gov/biblio/1763880

Schwindt, P.D., Borna, A., Carter, T.R., Stephen, J., Taulu, S., & McKay, J. (2019). A multi-channel magnetoencephalography system using optically pumped magnetometers [Presentation]. https://www.osti.gov/biblio/1646428

Schwindt, P.D., Campbell, K.L., Shah, V., Wang, Y., & Savukov, I. (2019). Optical Beat Note Readout of a Magnetic Gradient [Conference Poster]. https://www.osti.gov/biblio/1641644

Borna, A., Carter, T.R., Derego, P., James, C.D., & Schwindt, P.D. (2019). Magnetic Source Imaging Using a Pulsed Optically Pumped Magnetometer Array. IEEE Transactions on Instrumentation and Measurement, 68(2), pp. 493-501. 10.1109/tim.2018.2851458

Borna, A., Carter, T.R., Colombo, A., McKay, J., Jau, Y., Weisend, M., & Schwindt, P.D. (2018). Localization of auditory cortex neuronal sources using optically pumped magnetometer (OPM) sensor array [Presentation]. https://www.osti.gov/biblio/1761169

Schwindt, P.D., Hoang, T.M., Jau, Y., & Overstreet, R. (2018). Operating a 171Yb+ Microwave Ion Clock in [Conference Poster]. https://www.osti.gov/biblio/1582252

Schwindt, P.D., & Berry, C. (2018). Person-sized shields for biomagnetic measurements [Conference Poster]. https://www.osti.gov/biblio/1582260

Schwindt, P.D., Hoang, T.M., Jau, Y., & Overstreet, R. (2018). Operating a 171Yb+ Microwave Ion Clock in [Conference Poster]. https://www.osti.gov/biblio/1515753

Borna, A., Carter, T.R., Colombo, A., Jau, Y., & Schwindt, P.D. (2018). A 20-Channel Magnetoencephalography System Based on Optically Pumped Magnetometers [Presentation]. 10.1088/1361-6560/aa93d1

Borna, A., Carter, T.R., Colombo, A., Jau, Y., Berry, C., McKay, J., Stephen, J., Weisend, M., & Schwindt, P.D. (2017). A 20-channel magnetoencephalography system based on optically pumped magnetometers. Physics in Medicine and Biology, 62(23), pp. 8909-8923. 10.1088/1361-6560/aa93d1

Schwindt, P.D. (2017). Development of (Miniaturized) Trapped Yb Ion Clocks [Conference Poster]. https://www.osti.gov/biblio/1484937

Borna, A., & Schwindt, P.D. (2017). Magnetoencephalography with a 20-Channel Optically Pumped Magnetometer Array [Conference Poster]. https://www.osti.gov/biblio/1467785

Schwindt, P.D. (2017). Magnetic Field Mapping for Characterizing Energized Electrical Circuits [Conference Poster]. https://www.osti.gov/biblio/1456347

Sillerud, C., Schwindt, P.D., Moorman, M.W., Yee, B.T., Anderson, J.M., Pfeifer, N.B., Dirk, E., & Manginell, R. (2017). Characterization of chemical contaminants and their spectral properties from an atmospheric pressure ns-pulsed microdischarge in neon. Physics of Plasmas, 24(3). 10.1063/1.4977448

Schwindt, P.D. (2017). Development of an Optically Pumped Magnetometer Array for Magnetoencephalography [Presentation]. https://www.osti.gov/biblio/1426535

Schwindt, P.D. (2017). Magnetic Field Mapping for Characterizing Energized Electrical Circuits [Conference Poster]. https://www.osti.gov/biblio/1456348

Schwindt, P.D. (2017). Magnetic Field Mapping for Characterizing Energized Electrical Circuits: Project Status [Conference Poster]. https://www.osti.gov/biblio/1456393

Manginell, R., Sillerud, C., Hopkins, M.M., Yee, B.T., Moorman, M.W., Schwindt, P.D., Anderson, J.M., & Pfeifer, N.B. (2016). Fundamental Scaling of Microplasmas and Tunable UV Light Generation. 10.2172/1333485

Schwindt, P.D., Borna, A., Colombo, A., Jau, Y., Carter, T.R., Dagel, A., Berry, C., Weisend, M., & McKay, J. (2016). A multichannel magnetoencephalography system using optically pumped magnetometers; and Principles of optically pumped magnetometers (OPMs) and a survey of biomagnetic applications [Conference Poster]. https://www.osti.gov/biblio/1398357

Colombo, A., Carter, T.R., Borna, A., Jau, Y., Johnson, C.N., Dagel, A., & Schwindt, P.D. (2016). Four-channel optically pumped atomic magnetometer for magnetoencephalography. Optics Express, 24(14), pp. 15403-15416. 10.1364/OE.24.015403

Schwindt, P.D., Jau, Y., & Borna, A. (2016). Development of an Optically Pumped Atomic Magnetometer Array for Magnetoencephalography [Presentation]. https://www.osti.gov/biblio/1530019

Goldberg, J.D., Schwindt, P.D., & Borna, A. (2016). Signal Processing for a Multi-channel Analog Data Acquisition Instrumentation System for an MEG Atomic Magnetometer [Conference Poster]. https://www.osti.gov/biblio/1367024

Schwindt, P.D., Jau, Y., Partner, H., Casias, A.L., Wagner, A.R., Moorman, M.W., Manginell, R., Kellogg, J.R., & Prestage, J.D. (2016). A highly miniaturized vacuum package for a trapped ion atomic clock. Review of Scientific Instruments, 87(5). 10.1063/1.4948739

Jau, Y., Hunker, J.D., & Schwindt, P.D. (2015). F -state quenching with CH ₄ for buffer-gas cooled ¹⁷¹ Y b ⁺ frequency standard [Methane (CH4) for quenching the F-state in trapped Yb+ ions]. AIP Advances, 5(11). 10.1063/1.4935562

Schwindt, P.D., Colombo, A., Jau, Y., Carter, T.R., Dagel, A., Berry, C., Weisend, M., Bruce, F., & Mosher, J. (2015). Towards a Multi-Channel Atomic Magnetometer Array for MEG [Conference Poster]. https://www.osti.gov/biblio/1331906

Schwindt, P.D., Jau, Y., Partner, H., Yu, N., Prestage, J., Kellogg, J., Serkland, D.K., Boye, R., Manginell, R., Moorman, M.W., Casias, A.L., Boschen, D., Mailoux, D., & Scherer, D. (2015). Miniature trapped-ion frequency standard with 171Yb+ [Conference Poster]. https://www.osti.gov/biblio/1248684

Schwindt, P.D., Jau, Y., & Hunker, J.D. (2015). F-State Quenching Gas for 171Yb+ Clock [Conference Poster]. https://www.osti.gov/biblio/1245946

Schwindt, P.D., Jau, Y., Partner, H., Yu, N., Prestage, J., Kellogg, J., Serkland, D.K., Ison, A., McCants, A., Winrow, E.G., Boschen, C.D., Kosvin, I., Mailloux, D., Scherer, D., Nelson, C., Hati, A., & Howe, D. (2015). Miniature trapped-ion frequency standard with 171Yb+; Proceedings [Conference Poster]. https://www.osti.gov/biblio/1248673

Schwindt, P.D., Colombo, A., Jau, Y., Carter, T.R., Dagel, A., Berry, C.W., Weisend, M., & McKay, J. (2015). Development of an Optically Pumped Atomic Magnetometer Array for Magnetoencephalography [Conference Poster]. https://www.osti.gov/biblio/1248672

Colombo, A., Schwindt, P.D., Jau, Y., Johnson, C., Dagel, A., McKay, J., & Weisend, M. (2014). Atomic Magnetometers for Magnetoencephalography Design and Construction of a 36-Channel System [Presentation]. https://www.osti.gov/biblio/1563115

Schwindt, P.D., Colombo, A., Jau, Y., Carter, T.R., Dagel, A., Weisend, M., & McKay, J. (2014). Progress toward a multi-channel magnetoencephalography system using optically pumped atomic magnetometers [Presentation]. https://www.osti.gov/biblio/1502179

Schwindt, P.D., Colombo, A., Jau, Y., Carter, T.R., Dagel, A., Weisend, M., & McKay, J. (2014). Towards a Multi-Channel Atomic Magnetometer Array for MEG [Presentation]. https://www.osti.gov/biblio/1502167

Hankin, A.M., Jau, Y., Chou, C., Burns, G.R., Biedermann, G., Mangan, M.A., Johnson, C.N., Schwindt, P.D., & Landahl, A.J. (2013). Adiabatic quantum computing with neutral atoms [Conference]. https://www.osti.gov/biblio/1503471

Biedermann, G., Johnson, C.N., Burns, G.R., Hamilton, T., Kemme, S.A., Jau, Y., Parazzoli, L.P., Hankin, A.M., Landahl, A.J., Schwindt, P.D., & Mangan, M.A. (2013). Quantum information processing with Rydbergdressed atoms [Conference]. https://www.osti.gov/biblio/1314220

Hankin, A.M., Chou, C., Burns, G.R., Jau, Y., Landahl, A.J., Biedermann, G., Johnson, C.N., Schwindt, P.D., & Mangan, M.A. (2012). Adiabatic Quantum Computing with Neutral Atoms [Conference]. https://www.osti.gov/biblio/1290141

Parazzoli, L.P., Schwindt, P.D., Biedermann, G., Landahl, A.J., Chou, C., Jau, Y., Hankin, A.M., Burns, G.R., Johnson, C.N., Kemme, S.A., Dagel, A., & Mangan, M.A. (2012). Adiabatic Quantum Computing with Neutral Atoms [Conference]. https://www.osti.gov/biblio/1064385

Partner, H., Schwindt, P.D., Jau, Y., Casias, A.L., Serkland, D.K., Manginell, R., Moorman, M.W., Boye, R., & Statom, T.K. (2012). Miniature trapped ion frequency standard with 171Yb%2B [Presentation]. https://www.osti.gov/biblio/1067610

Partner, H., Schwindt, P.D., Jau, Y., Casias, A.L., Serkland, D.K., Manginell, R., Moorman, M.W., & Boye, R. (2012). Magnetic field gradient effects on a trapped ion frequency standard [Conference]. https://www.osti.gov/biblio/1145343

Schwindt, P.D., Boye, R., Jau, Y., Partner, H., Casias, A.L., Wojciechowski, K.E., Olsson, R.H., Serkland, D.K., Manginell, R., & Moorman, M.W. (2011). Miniature Yb-171 ion frequency standard [Conference]. https://www.osti.gov/biblio/1288926

Biedermann, G., Schwindt, P.D., Brady, G., Burns, G.R., Hamilton, T., Jau, Y., Johnson, C.N., Kemme, S.A., & Mangan, M.A. (2011). Neutral atoms for 2-qubit QUBO [Conference]. https://www.osti.gov/biblio/1288940

Johnson, C.N., & Schwindt, P.D. (2011). Biological Application of Magnetic Relaxometry with Atomic Magnetomer and SQUID Sensors. Physics in Medicine and Biology. https://www.osti.gov/biblio/1108805

Brady, G., Burns, G.R., Hamilton, T., Jau, Y., Johnson, C.N., Kemme, S.A., Mangan, M.A., & Schwindt, P.D. (2011). Neutral atoms for 2-qubit QUBO [Conference]. https://www.osti.gov/biblio/1120841

Johnson, C.N., & Schwindt, P.D. (2010). Atomic magnetometer for human magnetoencephalograpy. 10.2172/1011666

Johnson, C.N., & Schwindt, P.D. (2010). Magnetoencephalography with a two-color pump probe atomic magnetometer [Conference]. https://www.osti.gov/biblio/1021603

Johnson, C.N., & Schwindt, P.D. (2010). A two-color pump probe atomic magnetometer for magnetoencephalography [Conference]. https://www.osti.gov/biblio/1021082

Johnson, C.N., & Schwindt, P.D. (2010). Magnetoencephalography with a two color pump-probe fiber-coupled atomic magnetometer. Applied Physics Letters, 97(24). https://doi.org/10.1063/1.3522648

Okandan, M., & Schwindt, P.D. (2009). Tuned cavity magnetometer sensitivity. 10.2172/1000291

Schwindt, P.D. (2008). Atomic Sensor Development at Sandia [Conference]. https://www.osti.gov/biblio/1144965