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
(accepted) 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.