Selected Publications

Topics:

 

Low-Cost Phased Array Panel Technology

J. Herd, M. Conway, The evolution to modern phased array architectures, Proceedings of the IEEE, DOI: 10.1109/JPROC.2015.2494879.

C Weigand, M. Johnson, D. Carlson, M. Conway, Aperature PCB assemblies: transition to production ready designs, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

D. Conway, J. Herd, M. Fosberry, M. Harger, C. Weigand, M. Yeary, and K. Hondl, On the Development of a Tileable LRU for the NextGen Surveillance and Weather Radar Capability Program, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 490–493, 15–18 Oct 2013. 

S.M. Duffy, G.A. Brigham, K.S. Newman, P.J. Bell, D.D. Santiago, S.M. Tobin, and J.S. Herd, Multi-lithic Phased Array Architecture for Airborne Sense and Avoid Radar, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 825–830, 15–18 Oct 2013.

M. Yeary, D. Conway, J. Herd, M. Fosberry, M. Harger, and K. Hondl, A Method for Improved Cross-pol Isolation Based on the Use of Auxilliary Elements, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 272–275, 15–18 Oct 2013. 

M. Yeary, D. Conway, J. Herd, M. Fosberry, M. Harger, and K. Hondl, A Least Mean Squares Approach of Iterative Array Calibration for Scalable Digital Phased Array Radar Panels, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 276–278, 15–18 Oct 2013.

C. Fulton, J. Herd, S. Karimkashi, G. Zhang, and D. Zrnic, Dual-Polarization Challenges in Weather Radar Requirements for Multifunction Phased Array Radar, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 494–501, 15–18 Oct 2013.

J. Herd and S. Duffy, Overlapped Digital Subarray Architecture for Multiple Beam Phased Array Radar, Proceedings of the 5th European Conference on Antennas and Propagation (EUCAP), pp. 3027–3030, 11–15 April 2011.

J. Herd, S. Duffy, D. Carlson, M. Weber, G. Brigham, C. Weigand, and D. Cursio, Low Cost Multifunction Phased Array Radar Concept, 2010 IEEE International Symposium on Phased Array Systems and Technology (ARRAY), pp.457–460, 12–15 Oct 2010.

J. Herd, D. Carlson, S. Duffy, M. Weber, G. Brigham, M. Rachlin, D. Cursio, C. Liss, and C. Weigand, Multifunction Phased Array Radar (MPAR) for Aircraft and Weather Surveillance, 2010 IEEE Radar Conference, pp. 945–948, 10–14 May 2010.

J.S. Herd, S.M. Duffy, and H. Steyskal, Design Considerations and Results for an Overlapped Subarray Radar Antenna, 2005 IEEE Aerospace Conference, pp. 1087–1092, 5–12 March 2005.

J. S. Herd and A.J. Fenn, Design Considerations for Space-Based Radar Phased Arrays, 2005 IEEE MTT-S International Microwave Symposium Digest, 12–17 June 2005.

Antenna Systems

M. Knapp, F. Robey, R. Volz, F. Lind, A. Fenn, A. Morris, and M. Silver, Vector antenna and maximum likelihood imaging for radio astronomy, 2016 IEEE Aerospace Conference, 5-12 March 2016.

L. Hilliard, P. Racette, W. Blackwell, C. Galbraith, E. Thompson, Hyperspectral Microwave Atmospheric Sounder (HyMAS) — new capability in the CoSMIR/CoSSIR scanhead, 2015 IEEE Aerospace Conference, 7-14 March 2015.

R. Volz, M. Knapp, F. Lind, F. Robey, Covariance estimation in terms of Stokes parameters with application to vector sensor imaging, 2016 Asilomar Conf. on Signals, Systems and Computers, Asilomar 2016, 6-9 November 2016.

H. Nguyen, D. Maurais-Galejs, T. Anderson, J. Krieger, W. Moulder, J. Muldavin, Scalable prototyping testbed for MMW imager system, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

W. Moulder, J. Krieger, J Majewski, C. Coldwell, H. Nguyen, D. Maurais-Galejs, T. Anderson, P. Dufilie, J. Herd, Development of a high-throughput microwave imaging system for concealed weapons detection, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

A. Fenn, D. Pippin, C. Lamb, F. Willwerth, H. Aumann, J. Doane, 3D printed conformal array antenna: simulations and measurements, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

A. Fenn, J. Jordan, Design and analysis of an axisymmetric phased array fed Gregorian reflector system for limited scanning, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

W. Moulder, J. Majewski, C. Coldwell, J. Krieger, J. Herd, Switched antenna array tile for real-time microwave imaging aperture, IEEE int. Symp. Antennas and Propagation (APSURSI), 26 June — 1 July 2016.

K. Kolodziej, P. Hurst, Multi-channel agile comb generator for antenna radiation pattern measurements, IEEE Int. Symp. Antennas and Propagation (APSURSI), 26 June — 1 July 2016.

M. Knapp, R. Volz, F. Lind, F. Robey, A. Fenn, K. Johnson, M. Silver, A. Morris, S. Klein, HF vector sensor for radio astronomy; ground testing results; AIAA Space 2016 Conf. and Exposition, 13-16 September 2016.

A.J. Fenn, D. J. Pippin, D. Hogan, C.M. Lamb, F. G. Willwerth, H.M Aumann, J. P. Doane, 3D-Printed Conformal Microstrip Patch Array Antenna: Simulations and Measurements, 31st International Review of Progress in Applied Computational Electromagnetics, Williamsburg, VA, March 22-26, 2015.

J.D. Krieger, Y. Kochman, and G.W. Wornell, Multi-Coset Sparse Imaging Arrays, IEEE Transactions on Antennas and Propagation, vol. 62, no. 4, pp. 1701-1715, Apr 2014.

W. F. Moulder, K. Sertel, and J.L. Volakis, Ultrawideband Superstrate-Enhanced Substrate-Loaded Array With Integrated Feed, IEEE Transactions on Antennas and Propagation, vol. 61, no. 11, pp. 5802–5807, Nov 2013. 

A.J. Fenn, P.T. Hurst, L.I. Parad, and D.M. Bruno, Ultrawideband Time-Delay Steered UHF Dipole Linear Array Antenna, 2013 IEEE International Symposium on Phased Array Systems and Technology, Waltham, Mass., pp. 731–737, 15–18 Oct 2013.  

A.J. Fenn, P.T. Hurst, J. Pacheco, M. Cornick, and L. I. Parad, Ultrawideband Cavity-Backed Resistively Loaded Planar Dipole Array for Ground Penetrating Radar, 2013 IEEE International Symposium on Phased Array Systems and Technology, Waltham, Mass., pp. 117–123, 15–18 Oct 2013. 

W. F. Moulder, K. Sertel, and J.L. Volakis, Feeding of a Wideband Superstrate-Enhanced Substrate Loaded Array, 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), pp. 112–113, 7–13 July 2013.

S.M. Duffy, G.A. Brigham, K.B. Newman, and J.S. Herd, Stepped Notch Antenna Array Used as a Low Thermal Resistance Heat Sink, 2013 IEEE Antennas and Propagation Society International Symposium (APSURSI), pp. 622–623, 7–13 July 2013. 

J. D. Krieger, Chen-Pang Yeang, and G.W. Wornell, Dense Delta-Sigma Phased Arrays, IEEE Transactions on Antennas and Propagation, vol. 61, no. 4, pp. 1825–1837, Apr 2013. 

A.J. Fenn, P.T. Hurst, J.D. Krieger, J.S. Sandora, and L.I. Parad, Ultrawideband VHF/UHF Dipole Array, 2010 IEEE International Symposium on Phased Array Systems and Technology, Waltham, Mass., pp. 79–82, 12–15 Oct 2010. 

A.J. Fenn, P.T. Hurst, J.S. Sandora, J.D. Krieger, and L.I. Parad, Low-Profile Dual-Polarized UHF Array Antenna, 2010 IEEE International Symposium on Phased Array Systems and Technology, Waltham, Mass., pp. 599–602, 12–15 Oct 2010. 

J.S. Sandora and A.J. Fenn, Ultra-Wideband Offset Bicone/Dipole Antenna: Simulations and Measurements, 25th Annual Review of Progress in Applied Computational Electromagnetics, ACES'09, Monterey, Calif., 8 Mar 2009. 

A.J. Fenn, Adaptive Antennas and Phased Arrays for Radar and Communications, Dedham, Mass.: Artech House, 2008.  

A.J. Fenn, D.H. Temme, and W.P. Delaney, The Development of Phased Array Radar Technology, Lincoln Laboratory Journal, vol. 12, no. 2, pp. 321–340, 2000.

G.A. Brigham, M. Davidovitz, S.M. Duffy, and J.S. Herd, Ultra-Wideband Step Notch Array Using Stripline Feed, 2007 IEEE Antennas and Propagation Society International Symposium, pp. 3660–3663, 9–15 June 2007.

 

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Wideband Electronic Systems

K. Kolodziej, Comb generator design for SWaP—constrained applications, 2016 IEEE Radio and Wireless Symposium, RWS2016, 24-27 January 2016.

A.V. Messier, R.A. Stiffler, N. Kinayman, D.B. Du Russel, D.H. Vooys, G.D. Holland, R.L. Slattery, P.G. Murphy, D.J. Baker, P.A. Baldo, K.E. Parrillo, L.C. Mailhiot, T.M. Hancock, and M.A. Gouker, A Super-Wideband Compressive Receiver for ELINT Applications, GOMAC Tech Conference, 2012.

W. Blackwell, G. Allen, C. Galbraith, T. Hancock, R. Leslie, I. Osaretin, L. Retherford, M. Scarito, C. Semisch, M. Shields, M. Silver, D. Toher, K. Wight, D. Miller, K. Cahoy, and N. Erickson, Nanosatellites for Earth Environmental Monitoring: The MicroMAS Project, 2012 IEEE International Geoscience and Remote Sensing Symposium (IGARSS), July 2012.

W. Blackwell, C. Galbraith, T. Hancock, V. Leslie, I. Osaretin, M. Shields, P. Racette, and L. Hilliard, Design and Analysis of a Hyperspectral Microwave Receiver Subsystem, MicroRAD, 2012.

C.J. Galbraith and G. M. Rebeiz, Higher Order Cochlea-Like Channelizing Filters, IEEE Transactions on Microwave Theory and Techniques, vol. 56, no. 7, pp. 1675–1683, July 2008.

M.Z. Straayer, A.V. Messier, and W.G. Lyons, Ultra-Linear Superwideband Chirp Generator Using Digital Compensation, 2006 IEEE MTT-S International Microwave Symposium Digest, pp. 403–406, 11–16 June 2006.

 

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Technologies for Simultaneous Transmit and Receive

K. Kolodziej, J. McMichael, B. Perry, Multitap RF canceller for in-band full-duplex wireless communications, IEEE Wireless Commun., Vol. 15, No. 6, pp. 4321-34, June 2016.

K. Kolodziej, B. Perry, Simultaneous Transmit and Receive (STAR) mobile testbed, 2016 IEEE Radio and Wireless Symposium, RWS2016, 24-27 January 2016.

K. Kolodziej, B. Perry, Four-tap RF canceller evaluation for indoor in-band full-duplex wireless operation, IEEE Radio and Wireless Symposium, RWS 2017, 15-18 January 2017.

J. Doane, K. Kolodziej, B. Perry, Simultaneous transmit and receive with digital phased arrays, 6th Int. Symp. On Phased Array Systems and Technology, PAST 2016, 18-21 October 2016.

K. Kolodziej, J. Doane, B. Perry, Single antenna in-band full-duplex isolation-improvement techniques, IEEE Int. Symp. Antennas and Propagation (APSURSI), 26 June — 1 July 2016.

K.E. Kolodziej, J.G. McMichael, B.T. Perry, Simultaneous transmit and receive antenna isolation improvement in scattering environments, in Antennas and Propagation Society International Symposium (APSURSI), 2014 IEEE , vol., no., pp.2228-2229, 6-11 July 2014.

K.E. Kolodziej, B.T. Perry, J.S. Herd, Simultaneous Transmit and Receive (STAR) system architecture using multiple analog cancellation layers, in Microwave Symposium (IMS), 2015 IEEE MTT-S International , vol., no., pp.1-4, 17-22 May 2015.

K.E. Kolodziej, B.T. Perry, Vehicle-Mounted STAR Antenna Isolation Performance, in Antennas and Propagation Society International Symposium (APSURSI), 2015 IEEE , vol., no., pp.1-2, 19-24 July 2015.

W. F. Moulder, B. T. Perry, J. S. Herd, Wideband antenna array for Simultaneous Transmit and Receive (STAR) applications, 2014 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting., p. 243-244, 6-11 July 2014.

K.E. Kolodziej, J.G. McMichael, B.T. Perry, Adaptive RF Canceller for Transmit-Receive Isolation Improvement, 2014 IEEE Radio and Wireless Symposium (RWS), pp. 172–174, 19–23 Jan 2014. 

K.E. Kolodziej, P.T. Hurst, A.J. Fenn, and L.I. Parad, Ring Array Antenna with Optimized Beamformer for Simultaneous Transmit and Receive, IEEE International Symposium on Antennas and Propagation, Chicago, Ill., July 2012. 

D.W. Bliss, T.M. Hancock, and P. Schniter, Hardware and Environmental Phenomenological Limits on Full-Duplex MIMO Relay Performance, Asilomar Conference on Signals, Systems and Computers, 2012.

S.M. Duffy, G.A. Brigham, and J.S. Herd, Integrated Compensation Network for Low Mutual Coupling of Planar Microstrip Antenna Arrays, 2007 IEEE Antennas and Propagation Society International Symposium, pp. 1389–1392, 9–15 June 2007. 

 

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RF Integrated Circuits and Systems

S. Tolpygo, V. Bolkhovsky, T. Weir, C. Galbraith, L. Johnson, M. Gouker, Inductance of circuit structures for MIT LL superconductor electronics fabrication process with 8 Niobium Layers, IEEE Trans. Appl. Supercond., Vol. 25, No. 3, 1 June 2015, 1100905.Lexington, MA : Lincoln Laboratory, Massachusetts Institute of Technology, 20150601.

J. Holloway, L. Boglione, T. Hancock, R. Han, A fully integrated broadband sub-mmWave chip-to-chip interconnect, IEEE Trans. Microw. Theory Tech., Vol. 65, No. 7, July 2017, p. 2373-86.

X. Wang, S. Yegnanarayanan, T. Hancock, P. Juodawlkis, NonLinear equalization of microwave photonic links, IEEE Int. Topical Meeting on Microwave Photonics, MWP 2016, 31 October — 3 November 2016.

N. Kinayman, T.M. Hancock, and M. Gouker, Reconfigurable RF Systems Using Commercially Available Digital Capacitor Arrays, GOMAC Tech Conference, 2013.

M. Trakimas, T. Hancock, and S. Sonkusale, A Compressed Sensing Analog-to-Information Converter with Edge-Triggered SAR ADC Core, IEEE International Symposium on Circuits and Systems (ISCAS), May 2012.

C. Galbraith and L.M. Johnson, A 0.7–1.6 GHz Two-Stage High Power Amplifier MMIC in a Commercial GaN-on-SiC Process, GOMAC Tech Conference, 2012.

H. Kim, M. Green, B. Miller, A. Bolstad, and D. Santiago, An Active Filter Achieving 43.6dBm OIP3, IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2011.

J. Powell, SiGe Receiver Front Ends and Flip-Chip Integrated Wideband Antennas for Millimeter-Wave Passive Imaging, MIT Department of Electrical and Computer Engineering Thesis, Mar 2009.

M.Z. Straayer, Noise Shaping Techniques for Analog & Time to Digital Converters Using Voltage Controlled Oscillators, MIT Department of Electrical and Computer Engineering Thesis, June 2008.

T.M. Hancock, M. Straayer, and A. Messier, Fractional-N Synthesizer Techniques for Low-Power Wireless Sensor Nodes, GOMAC Tech Conference, 2008.

A. K. Mui, A 20 dBm 5-14 GHz Power Amplifier with Integrated Planar Transformers in SiGe, MIT Department of Electrical and Computer Engineering Thesis, Feb 2008.

T. K. Quach, C.A. Bryant, G.L. Creech, K.S. Groves, T.L. James, A.G. Mattamana, P.L. Orlando, V.J. Patel, R.G. Drangmeister, L.M. Johnson, B.K. Kormanyos, and R.K. Bonebright, X-Band Receiver Front-End Chip in Silicon Germanium Technology, IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, pp. 17–20, 23–25 Jan 2008.

C.J. Galbraith, T.M. Hancock, and G.M. Rebeiz, An Integrated Double-Tuned Transformer for Power Amplifier Impedance Matching, IEEE Microwave And Wireless Components Letters, vol. 17, pp. 772–774, Nov 2007.

T.M. Hancock, M. Straayer, and A. Messier, A Sub-10mW 2 Mbps BFSK Transceiver at 1.35 to 1.75GHz, IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 2007.

M. Straayer, A. Messier, and T.M. Hancock, A 16mW 8Mbps Fractional-N FSK Modulator at 15.8-18.9GHz, IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 2007.

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Wide Bandgap Semiconductor Materials and Devices

T. Wade, M. Geis, T. Fedynyshyn, S. Vitale, J. Varghese, D. Lennon, T. Grotjohn, R. Nemanich, M. Hollis, Effect of surface roughness and H-termination chemistry on diamond’s semiconducting surface conductance, Diamond & Related Materials, Vol. 76, 1 June 2017, pp. 79-85.

J. Daulton, D.M. Lennon, R.J. Molnar, Selectivity Control in Low-Damage AlGaN/GaN Atomic Layer Etching, American Vacuum Society Atomic Layer Etching Workshop, Portland, OR, July 2015.

K. Diest, R. Goodman, M. Rothschild, Nanochannel fabrication based on double patterning with hydrogen silsesquioxane, Journal of Vacuum Science & Technology B, 33 p.020601, 2015.

C. Gear, K. Diest, V. Liberman, M. Rothschild, Engineered liquid crystal anchoring energies with nanopatterned surfaces, Optics  Express, 23 p.807, 2015.

T. Boles, C. Varmazis, D. Carlson, L. Xia, D. Jin, T. Palacios, G.W. Turner, and R.J. Molnar, High-Voltage GaN-on-Silicon Schottky Diodes, CS MANTECH Conference, New Orleans, La., 13–16 May 2013.

T. Boles, C. Varmazis, D. Carlson, T. Palacios, G.W. Turner, and R.J. Molnar, High Voltage GaN-on-Silicon HEMT, Physica Status Solidi C, 10: 844–848, 2013.

C.L. Chen, C.K. Chen, D.-R. Yost, and J.M. Knecht, Vertically Stacked RF Switches by Wafer-Scale Three-Dimensional Integration, Electronics Letters, vol. 48, no. 10, pp. 597–598, 10 May 2012. 

X. Wang, O.I. Saadat, B. Xi, X. Lou, R.J. Molnar, T. Palacios, and R.G. Gordon, Atomic Layer Deposition of Sc2O3 for Passivating AlGaN/GaN High Electron Mobility Transistor Devices, Applied Physics Letters, 101, 232109, 2012. 

C.-L. Chen, C.K. Chen, and S.A. Vitale, SOI Circuits Powered by Embedded Solar Cell, 2011 IEEE International SOI Conference (SOI), pp. 1–2, 3–6 Oct 2011.

C.-L. Chen, J.M. Knecht, J. Kedzierski, C.K. Chen, P.M. Gouker,D.-R. Yost, P. Healey, P.W. Wyatt, and C.L. Keast, Improvement of SOI MOSFET RF Performance by Implant Optimization, IEEE Microwave and Wireless Components Letters, vol. 20, no. 5, pp. 271–273, May 2010. 

C.-L.Chen, D.-R. Yost, J.M. Knecht, D.C. Chapman, D.C. Oakley, L.J. Mahoney, J.P. Donnelly, A.M. Soares, V. Suntharalingam, R. Berger, V. Bolkhovsky, W. Hu, B.D. Wheeler, C.L. Keast, D.C. Shaver, Wafer-Scale 3D Integration of InGaAs Image Sensors with Si Readout Circuits, IEEE International Conference on 3D System Integration, pp. 1–4, 28–30 Sept 2009. 

C.-L. Chen, J.M. Knecht, J. Kedzierski, C.K. Chen, P.M. Gouker, D.-R. Yost, P. Healey, P.W. Wyatt, and C.L. Keast, Channel Engineering of SOI MOSFETs for RF Applications, 2009 IEEE International SOI Conference, pp. 1–2, 5–8 Oct 2009. 

J.L. Weyher, S. Lazar, L. Macht, Z. Liliental-Weber, R.J. Molnar, S. Müller, V.G.M. Sivel, G. Nowak, and I. Grzegory, Orthodox Etching of HVPE-Grown GaN, Journal of Crystal Growth, vol. 305, no. 2, 15 July 2007. 

S. Schmult, T. Siegrist, A.M. Sergent, M.J. Manfra, and R.J. Molnar, Optimized Growth of Lattice-Matched InxAl1-xN/GaN Heterostructures by Molecular Beam Epitaxy, Applied Physics Letters, vol. 90, no. 2, pp. 021922,021922-3, Jan 2007. 

R.J. Molnar, Nitride-based UV Geiger-Mode Avalanche Photodiodes, International Semiconductor Device Research Symposium, pp. 219, 7–9 Dec 2005. 

 

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RF Systems Test Facility

M.W. Shields and A.J. Fenn, A New Compact Range Facility for Antenna and Radar Target Measurements, Lincoln Laboratory Journal, vol. 16, np. 2, pp. 381–391, 2007.

A.J. Fenn, M.W. Shields, and G.A. Somers, Introduction to the New MIT Lincoln Laboratory Suite of Ranges, 26th Annual Antenna Measurement Techniques Association Meeting & Symposium, Stone Mountain Park, Ga., 17–22 Oct 2004.  

 

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Education & Outreach

G.L. Charvat, A.J. Fenn, B.T. Perry, The MIT IAP Radar Course: Build a Small Radar System Capable of Sensing Range, Doppler, and Synthetic Aperture (SAR) Imaging, IEEE Radarcon 2012, Atlanta, Ga., pp. 138–144, 7–11 May 2012.

B.T. Perry, T. Levy, P. Bell, S. Davis, K. Kolodziej, N. O'Donoughue, and J.S. Herd, Low Cost Phased Array Radar for Applications in Engineering Education, 2013 IEEE International Symposium on Phased Array Systems & Technology, pp. 416–420, 15–18 Oct 2013. 

 

 

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