2023: Rene Celis-Cordova, Jacob J. Gose, Abigail F. Brown, AnnahMarie G. Behn, Matthew Huebner, Ethan M. Williams, Yang Xiang, Jonathan D. Chisum, Alexei O. Orlov, Gregory L. Snider, “Measurements of variable capacitance using single port radio frequency reflectometry,” Rev. Sci. Instrum. vol. 94, pp. 084703 (2023). DOI:10.1063/5.0146064
2023: H. Aquino, D. Connelly, A. Orlov, J. Chisum, G. Bernstein, W. Porod, “Short-Wavelength Spin-Wave Transducer Using the Transmission of Spin-Waves Across Two Magnetic Films,” in IEEE Trans. Magnetics (pre-print), May 2023. DOI:10.1109/TMAG.2023.3276200
2023: W. Wang†, N. Estes†, N. Garcia†, M. Roddy∗, A. Bolstad, J. Chisum, “Beamforming Phased-array-fed Lenses with >0.5λ-spaced Elements,” in IEEE Trans. Antennas Propag., vol. 71, no. 3, pp. 2208-2223, Jan. 2023. DOI:10.1109/TAP.2023.3240085
2022: N. Estes†, X. Kang, X. Meng, R. Bandlin, A. Chopra, J. N. Laneman, B. Hochwald, J. Chisum, “A 0.71 mW Antenna-coupled On-Off-Key Receiver for Gbps Millimeter-wave Wireless Communications,” in IEEE Trans. Microw. Theory Techn., Dec 5, 2022. DOI:10.1109/TMTT.2022.3222424
2022: K. Gao, X. Meng, J. N. Laneman, J. Chisum, R. Bendlin, A. Chopra, B. Hochwald, “A Training-Based Mutual Information Lower Bound for Large-Scale Systems,” in IEEE Trans. Commun., vol. 70, no. 8, pp. 5151- 5163, Aug. 2022. DOI:10.1109/TCOMM.2022.3182747
2022: N. Garcia†, J. Chisum, “Compound GRIN Fanbeam Lens Antenna with Wideband Wide-angle Beam- scanning,” in IEEE Trans. Antennas Propag., vol. 70, no. 10, pp. 7501-7512, Jun 2022. 10.1109/TAP.2022.3182420
2022: M. Robbins†, D. Connelly†, and J. Chisum, “Modeling Thick Metal in Forward Volume Spin Wave Transducers”, in IEEE Microw. Wireless Comp. Lett., vol. 32, no. 6, pp. 684-687, June 2022. DOI:10.1109/LMWC.2022.3165512
2022: N. Garcia†, W. Wang†, J. Chisum, “Feed Corrective Lenslets for Enhanced Beamscan in Lens Antenna Systems,” Opt. Express, v.30, pp.13047-13058, Apr 2022. DOI:10.1364/OE.449130
2022: M. Filmer, M. Huebner, T. Zirkle, X. Jehl, M. Sanquer, J. Chisum, A. Orlov, G. Snider, “Gate reflectom- etry of single-electron box arrays using calibrated low temperature matching networks,” in Nature Sci. Rep. v.12, pp.3098, Feb. 23, 2022. DOI: 10.1038/s41598-022-06727-1
2022: N. Kleber, J. Chisum, B. Hochwald, J. Laneman, “Three-Dimensional RF Sensor Networks for Widespread Spectrum Monitoring,” in IEEE Trans. Cogn. Commun. Netw. vol. 8, no. 2, pp. 763-777, June 2022. DOI:10.1109/TCCN.2022.3140770
D. Connelly, H. Aquino, M. Robbins, G. Bernstein, A. Orlov, W. Porod, J. Chisum, "Complex Permittivity of Gadolinium Gallium Garnet from 8.2 to 12.4 GHz,'' in IEEE Magnetics Lett., DOI: 10.1109/LMAG.2021.3132850.
D. Connelly, G. Csaba, H. Aquino, G. Bernstein, A. Orlov, W. Porod, J. Chisum,“Efficient Electromagnetic Transducers for Spin-Wave Devices,” in Nature Sci. Rep., v.11, pp.18379. Sep 15, 2021. DOI: 10.1038/s41598-021-97627-3.
N. Garcia and J. Chisum, “Reduced dimensionality optimizer for efficient design of wideband millimeter-wave 3D metamaterial GRIN lenses," in Microw. Opt. Techn. Lett., vol. 63, no. 5, pp. 1372-1376, May 2021, published Dec 12, 2020. https://onlinelibrary.wiley.com/doi/10.1002/mop.32755, DOI: 10.1002/MOP.32755.
T. Zirkle, M. Filmer, J. Chisum, A. Orlov, E. Dupont-Ferrier, J. Rivard, M. Huebner, M. Sanquer, X. Jehl and G. Snider, “Radio frequency reflectometry of single-electron box arrays for nanoscale voltage sensing applications," vol. 10, no. 24, pp.8797:1--29. Dec. 2020. https://www.mdpi.com/2076-3417/10/24/8797, DOI:10.3390/app10248797.
N. Estes, K. Gao, B. Hochwald, J. Laneman, J. Chisum, “Efficient modeling of low-resolution millimeter-wave transceivers for massive MIMO wireless communications systems," in Microw. Opt. Techn. Lett., vol. 63, no.4, pp. 1134-1140, published Nov 16, 2020. https://onlinelibrary.wiley.com/doi/10.1002/mop.32727, DOI:10.1002/mop.32727.
M. Filmer, T. Zirkle, J. Chisum, A. Orlov, and G. Snider, “Using Single-Electron Box Arrays for Voltage Sensing Applications,” APS Appl. Phys. Lett., vol. 116, no. 21, pp. 213103, May 26, 2020. http://doi.org/10.1063/5.0005425
N. Garcia and J. Chisum, “ High-efficiency, Wideband GRIN Lenses with Intrinsically Matched Unit-cells,” in IEEE Transactions on Antennas and Propagation, vol. 68, no. 8, pp. 5965-5977, Aug. 2020. https://ieeexplore.ieee.org/abstract/document/9082819, DOI:10.1109/TAP.2020.2990289.
A. Papathanasopoulos, Y. Rahmat-Samii, N. Garcia, and J. D. Chisum, “A Novel Collapsible Flat-Layered Metamaterial Gradient-Refractive-Index (GRIN) Lens Antenna,” IEEE Trans. Antennas Propag., vol. 68, no. 3, pp. 1312-1321, March 2020. https://ieeexplore.ieee.org/abstract/document/8859611 DOI:10.1109/TAP.2019.2944546
J.C. Merritt and J.D. Chisum, “High-Speed Cross-Correlation for Spectrum Sensing and Direction Finding of Time-Varying Signals,” IEEE Sensors J., vol. 18, no. 15, pp. 6161-6168, August 1, 2018. https://ieeexplore.ieee.org/abstract/document/8385152/ DOI:10.1109/JSEN.2018.2847598
J.D. Chisum, Z. Popovic, "Performance Limitations and Measuremnet Analysis of Near-Field Microwave Microscope for Nondestructive and Subsurface Detection," IEEE Transactions on Microwave Theory and Technique, vol.60, no.8, pp.2605-2615, Aug. 2012. http://ieeexplore.ieee.org/abstract/document/6222358/
Jonathan D. Chisum, Erich N. Grossman, and Zoya Popovic, “A General Approach to Low Noise Readout of Terahertz Imaging Arrays,” Review of Scientific Instruments, vol. 82, no.6, pp. 065106, June 2011. http://aip.scitation.org/doi/full/10.1063/1.3599419
V. Viikari, J. Chisum, and H. Seppa, “Wireless passive photo detector for insect tracking,” Microwave and Optical Technology Letters, v.52, n.10, pp. 2312–2315, Oct. 2010. http://onlinelibrary.wiley.com/doi/10.1002/mop.25427/full
Conferences
Refereed
2024: Himanshu Sharma†, Xiangbo Meng, Nicholas Laneman, Ralf Bendlin, Bertrand Hochwald, Jonathan Chisum, “Digitally-modulated OOK Reconfigurable Intelligent Surfaces for Massively-scalable Gbps Trans- mitters,” presented at the 2024 USNC-URSI National Radio Science Meeting, Boulder CO, Jan 12, 2024. www. usnc-ursi-archive.org/nrsm/2024/papers/1223.pdf
2024: Benjamin Davis†, J. Chisum, “Compact, Low-Dispersion, Metalo-Dielectric Gradient-Index Lenses with Additive Manufacturing,” presented at the 2024 USNC-URSI National Radio Science Meeting, Boulder CO, Jan 12, 2024. www.usnc-ursi-archive.org/nrsm/2024/papers/1219.pdf
2023: W. Wang and J. Chisum, ”Geometric Optics with Uniform Asymptotic Physical Optics for Ray Tracing of Compound GRIN Lens Systems,” 2023 IEEE/MTT-S International Microwave Symposium, San Diego, CA, USA, 2023, pp. 603-606. DOI: 10.1109/IMS37964.2023.10187995.
2023: Wei Wang, Philip Lambert, Jonathan Chisum, “High-frequency Limits for 3D-Printed Gradient-index (GRIN) Lens Antennas,” 2023 IEEE Intl. Ant. Propag. Symp. & USNC-URSI NRSM, Portland OR USA, July 2023. https://arxiv.org/abs/2304.14863
2022: X. Meng, N. Estes†, J. N. Laneman, J. Chisum, R. Bendlin and B. M. Hochwald, “Spectral Efficiency with One-Bit Transmitters under Out-of-Band Power Constraints,” 2022 IEEE Global Communications Conference, Rio de Janeiro, Brazil, 2022, pp. 1067-1072. DOI:10.1109/GLOBECOM48099.2022.10001057
2022: D. Connelly†, M. Robbins†, Jonathan Chisum, “Chip-scale Beamforming with Magnetostatic Spin- wave Transducer Arrays,” 2022 IEEE Intl. Ant. Propag. Symp. & USNC-URSI NRSM, Denver CO USA, July 2022, pp.269-270. DOI:10.1109/AP-S/USNC-URSI47032.2022.9886052
2022: W. Wang†, J. Huang†, H. Ouassal‡, Jonathan Chisum, “Inverse GRIN Lens Design Using Artificial Neural Network and Geometrical Optics,” 2022 IEEE Intl. Ant. Propag. Symp. & USNC-URSI NRSM, Denver CO USA, July 2022. DOI:10.1109/AP-S/USNC-URSI47032.2022.9887332
2022: J. Huang†, C. Coverstone†, Jonathan Chisum, “Low-dispersion Metasurfaces for Wideband Gradient- index (GRIN) Media up to Ka-band,” 2022 IEEE Intl. Ant. Propag. Symp. & USNC-URSI NRSM, Denver CO USA, July 2022. DOI:10.23919/USNC-URSI52669.2022.9887514
2022: H. Ouassal‡, J. Chisum, D. Galanos, C. Dietlein, W. Diehl, “Distributed Arrays in Multipath Channels,” 2022 IEEE Intl. Ant. Propag. Symp. & USNC-URSI NRSM, Denver CO USA, July 2022. DOI:10.23919/USNC-URSI52669.2022.9887506
2022: W. Wang† and J. Chisum, “Hybrid Geometrical Optics and Uniform Asymptotic Physical Optics for Rapid and Accurate Practical GRIN Lens Design,” presented at 2022 IEEE MTT-S Intl. Microw. Symp., Denver CO USA. DOI:10.1109/IMS37962.2022.9865499
2022: M. Robbins†, D. Connelly†, and J. Chisum, “Modeling Thick Metal in Forward Volume Spin Wave Transducers,” presented at 2022 IEEE MTT-S Intl. Microw. Symp., Denver CO USA.
N. Garcia and J. Chisum, “Compound GRIN Lens Fanbeam Antenna for Wide-angle Scanning," to be presented at the IEEE Ant. Propag. Symp. and USNC URSI, Marina Bay Sands, Singapore, Dec 2021.
N. Estes and J. Chisum, “A 10MHz-1GHz Mitigated Shunt Capacitance Hybrid LNA for Use in a Ka-Band Envelope Detector Baseband Output,” presented at the 2021 USNC URSI National Radio Science Meeting, Boulder CO (virtual), Jan, 2021. https://www.usnc-ursi-archive.org/nrsm/2021/Proceedings/pdfs/0000226.pdf
H. Aquino, D. Connelly, A. Orlov, J. Chisum, G. H. Bernstein and W. Porod, "Using Coplanar Waveguides as Spin-Wave Sources with Improved Bandwidth," 2020 Device Research Conference (DRC), Columbus, OH, USA, 2020, pp. 1-2, https://ieeexplore.ieee.org/document/9135163, DOI: 10.1109/DRC50226.2020.9135163
H. Aquino, D. Connelly, A. Papp, A. Orlov, J. Chisum, G. H. Bernstein, W. Porod, "Towards a Chip-Scale Millimeter-Wave Spectrum/Signal Analyzer Using Spin-Wave Diffraction and Interference," 2020 IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, HI, USA, 2020, pp. 127-128, https://ieeexplore.ieee.org/document/9131613/, DOI: 10.1109/SNW50361.2020.9131613.
N. Garcia and J. Chisum, “Wide-angle Beam-scanning with Squinted Feed Elements,” in Proc. of 2020 IEEE Ant. Propag. Symp. and USNC URSI, Montreal, CA, Jul 2020. https://ieeexplore.ieee.org/document/9321642
K. Gao, J. N. Laneman, N. J. Estes, J. Chisum, and B. Hochwald, “Channel Estimation with One-Bit Transceivers in a Rayleigh Environment,” in Proc. 2019 IEEE Globecom Workshop, Waikoloa, HI, USA, Dec. 9-13, 2019. https://ieeexplore.ieee.org/abstract/document/9024647 DOI:10.1109/GCWkshps45667.2019.9024647
K. Gao, J. N. Laneman, N. J. Estes, J. Chisum, and B. Hochwald, “Training for Channel Estimation in Nonlinear Multi-Antenna Transceivers,” presented at 2019 IEEE Info. Theory and Appl. Workshop, Feb. 2019. Available: arXiv:1912.06924 [cs.IT]
N. Estes and J. Chisum, “Increased Power Handling of Vanadium Dioxide T/R Switches Using a Resonant Topology,” in Proc. 2019 IEEE MTT-S Intl. Microw. Symp. (IMS), Boston MA, Jun. 2-7, 2019. https://ieeexplore.ieee.org/abstract/document/8701088 DOI:10.1109/MWSYM.2019.8701088
D. Connelly, G. Csaba, G. Bernstein, A. Orlov, J. Chisum, and W. Porod, “Towards a simulation framework for coupled microwave and micromagnetic structures,” in Proc. of 2019 Intl. Workshop Comp. Nanotechn., pp.85-86, Chicago IL, May 20-24, 2019. http://in4.iue.tuwien.ac.at/pdfs/iwce/iwcn2_2019/IWCN_2019_085-086.pdf
David J. Benirschke, Abbas Termos, Nikolaus Kleber, David Connellyy, Bertrand Hochwald, Jonathan Chisum, Scott S. Howard, “Realization of a plug-and-play, low SWAP-C, MIR imaging system utilizing a commercially available low-cost VOx microbolometer array for enabling imaging applications,” Proc. SPIE 10795, Electro-Optical and Infrared Systems: Technology and Applications XV, 107950D, Oct. 9 2018. https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10795/2325588/Realization-of-a-plug-and-play-10.1117/12.2325588.full DOI:10.1117/12.2325588
Erica Messinger, Kathleen L. Melde, Jonathan Chisum, Julio Urbina, Jing Wang, Stephen E. Ralph, “Different strategies for preparing students to tackle the RF engineering challenges of tomorrow – a Panel Discussion,” in Proc. 2018 ASEE Annu. Conf. & Expo., Salt Lake City UT, June 27, 2018. https://peer.asee.org/30334
W. Bai and J. Chisum, “A Compact, Wide Field-of-View Gradient-index Lens Antenna for Millimeter-wave MIMO on Mobile Devices,” in Proc. 86th IEEE Veh. Technol. Conf., Fall 2017, Toronto, Canada, Sep 24-27, 2017. https://ieeexplore.ieee.org/abstract/document/8288369 DOI:10.1109/VTCFall.2017.8288369
N. Garcia, W. Bai, T. Twahirwa, D. Connelly, J. Chisum, “Silicon Micromachined High-contrast Artificial Dielectrics for Millimeter-wave Transformation Optics Antennas” in Proc. 2017 IEEE Int. Symp. on Antennas and Propag., San Diego, CA, Jul 9-14, 2017, pp. 1971-1972. https://ieeexplore.ieee.org/abstract/document/8073028 DOI:10.1109/APUSNCURSINRSM.2017.8073028
J. Merritt IV, C. Dietlein, J. Chisum, “Collaborative and Responsive Sensors for Low-cost Spectrum Sensing and Geolocation,” in Proc. 9th NATO Mil. Sens. Symp. (SET-241), Quebec City, Canada, Jun 2, 2017. https://www.sto.nato.int/publications/STO%20Meeting%20Proceedings/STO-MP-SET-241/MP-SET-241-13-4.pdf
N. Kleber, A. Termos, G. Martinez, J. Merritty, B. Hochwald, J. Chisum, A.D. Striegel, J.N. Laneman, “Radio-Hound: A Pervasive Sensing Platform for Sub-6 GHz Dynamic Spectrum Monitoring”, Proc. of the 2017 IEEE Int. Symp. on Dynamic Spectrum Access Networks (DySPAN), Baltimore MD, pp. 1-2, Mar 6-9, 2017. http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=7920764&isnumber=7920740 DOI:10.1109/DySPAN.2017.7920764
K. Gao, N.J. Estesy, B. Hochwald, J. Chisum, J.N. Laneman, “Power-Performance Analysis of a Simple One-Bit Transceiver”, Proc. of the 2017 Inf. Theory and Appl. Workshop, San Diego CA, Feb. 12-17 2017. http://ita.ucsd.edu/workshop/17/files/paper/paper_108.pdf
N. Estes, J. Chisum, “Sub-surface Spatial Resolution of a Near-field Scanning Microwave Microscope,” in Proc. 2016 NAECON-OIS Conf., Dayton OH, Jul 2016, pp. 464-467. http://ieeexplore.ieee.org/document/7856850/ DOI: 10.1109/NAECON.2016.7856850
A. Bolstad, J. Vian, J. Chisum, Y. Suh, “An Array-based Compressed Sensing Receiver Architecture,” Proc. of the 2016 IEEE Int. Symp. on Phased Array Systems and Techn., Waltham, MA, Oct 18-21 2016. http://ieeexplore.ieee.org/document/7832659/ DOI:10.1109/ARRAY.2016.7832659
A. K. Bolstad, J. E. Vian, J. D. Chisum and Y. Suh, “Practical sub-Nyquist sampling via array-based compressed sensing receiver architecture,” Proc. of the 2016 IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM), Rio de Janerio, pp. 1-5, Jul 10-13 2016. http://ieeexplore.ieee.org/document/7569669/ DOI:10.1109/SAM.2016.7569669
J.D. Chisum, and Z. Popovic, “A Scanning Lock-in Vector Near-field Probe for Noise Limited Microwave Measurements,” presented at the 2010 IEEE Antennas and Propagation Society International Symposium (APSURSI), IF414.9, Toronto, Canada, July 2010
Atif Imtiaz, T. Mitch Wallis, Sang H. Lim, Jonathan Chisum, Zoya Popovic, and Pavel Kabos, “Near-field antenna as a Scanning Microwave Probe for characterization of materials and devices,” Proceedings of the Fourth European Conference on Antennas and Propagation (EuCAP), 2010, Barcelona, Spain, pp.1-3, April 12-16 2010. http://ieeexplore.ieee.org/document/5505692/
J.D. Chisum, M. Ramirez, and Z. Popovic, “Planar Circuits for Non-contact Near-Field Microwave Probing,” IEEE MTT-S European Microwave Conference digest, pp. 802-805, Sept. 29 2009. http://ieeexplore.ieee.org/document/5295982/
C. Dietlein, J. Chisum, M. Ramirez, E. Grossman, and Z. Popovic, “Integrated microbolometer antenna characterization from 95–650 GHz,” MTT-S International Microwave Symposium digest, pp. 1165, June 2007. http://ieeexplore.ieee.org/document/4264036/
D. Connelly and J. Chisum, “High Radiation Efficiency Phase-change Material Antennas with Conductive Inclusions,” presented at the 2019 IEEE Ant. Propag. Symp. and USNC URSI.
N. Estes, N. Garcia and J. Chisum, “The Onset of Grating Lobes in Arrays of Electrically Large Apertures: A Study for Lenslet Arrays,” presented at the 2019 IEEE Int. Symp. on Antennas and Propag.
D. Connelly and J. Chisum, “Concepts for VO2-Based Reconfigurable Distributed Microwave Circuits” presented at 2018 IEEE Int. Symp. on Antennas and Propag., Boston, MA, Jul 8-13, 2018.
W. Bai, N. Garcia, J. Chisum, “Tradeoffs in Millimeter-wave Beam-steering Technologies,” presented at the 3rd NSF MMW RCN Workshop, Tuscon AZ, Jan. 18-19, 2018.
D. Connelly, J. Chisum, “Assessment of VO2 Phase-change Material for Programmable Microwave Circuits,” presented at the USNC-URSI Nat. Radio Science Mtg., Boulder CO, Jan. 5, 2018.
N. Estes, J. Chisum, “Vanadium Dioxide (VO2) Phase-change Switches for Highly Linear Front-ends,” presented at the USNC-URSI Nat. Radio Science Mtg., Boulder CO, Jan. 5, 2018.