Publications

Hualiang Zhang Publications

JOURNAL (Appeared and Accepted):

  1. J. Lutkenhaus, D. George, D. Lowell, B. Arigong, H. Zhan, and Y. Lin, “Registering Functional Defects into Periodic Holographic Structures,” Applied Optics, vol. 54, no. 23, pp. 7007-7012, 2015.
  2. J. Ding, B. Arigong, H. Ren, J. Shao, M. Zhou, Y. Lin, and H. Zhang, “Dynamically Tunable Fano Metamaterials through the Coupling of Graphene Grating and Square Closed Ring Resonator,” Plasmonics, June 2015.
  3. B. Arigong, M. Zhou, H. Ren, J. Shao, J. Ding, H. Kim, and H. Zhang, “Ultra-compact Lumped Element Crossover,” Electronics Letters, vol. 54, no. 14, pp. 1082-1084, July 2015.
  4. Z. Ding, S. Q. Shi, H. Zhang, and L. Cai, “Electromagnetic Shielding Properties of Iron Oxide Impregnated Kenaf Bast Fiberboard,” Composites Part B , vol. 78, pp. 266-271, Sep. 2015.
  5. B. Arigong, J. Shao, M. Zhou, H. Ren, J. Ding, Q. Mu, Y. Li, S. Fu, H. S. Kim, and H. Zhang, “An Improved Design of Dual-Band 3dB 180° Directional Coupler,” Progress In Electromagnetics Research C, vol. 56, pp. 153 – 162, 2015.
  6. D. George, J. Lutkenhaus, J. Ding, H. Zhang, J. Cui, U. Philipose, and Y. Lin, “Holographic Fabrication of Nano-Antenna Templates through Single Reflective Optical Element,” Applied Optics, vol. 54, no. 10, pp. 2720-2724, 2015.
  7. H. Ren, J. Shao, M. Zhou, B. Arigong, J. Ding, and H. Zhang, “Design of Dual-Band Transmission Line with Flexible Phase Shifts and Its Applications,” Electronics Letters, vol. 51, no. 3, pp. 261-262, Feb. 2015.
  8. J. Shao, R. Zhou, S. Fu, H. S. Kim, and H. Zhang, “Design of Dual-Band GaN Doherty Power Amplifier Using a Simplified Structure,” Microwave and Optical Technology Letters, vol. 57, no. 4, pp. 953-956, 2015.
  9. J. Ding, B. Arigong, H. Ren, J. Shao, M. Zhou, Y. Lin, and H. Zhang, “Mid-infrared tunable dual-frequency cross polarization converters using graphene based L-shaped nanoslot array,” Plasmonics, vol. 10, no. 2, pp. 351-356, April 2015.
  10. S. Katakam, H. Ren, J. Shao, M. Zhou, B. Arigong, J. Ding, and H. Zhang, “A Dual-Band Branch Line Coupler Based on Pi-Shaped Coupled Lines,” Microwave and Optical Technology Letters, vol. 57, no. 2, pp. 501-504, Feb. 2015.
  11. J. Ding, B. Arigong, H. Ren, M. Zhou, J. Shao, Y. Lin, and H. Zhang, “Efficient Multiband and Broadband Cross Polarization Converters Based on Slotted L-Shaped Nanoantennas,” Optics Express , vol. 22, no. 23, pp. 29143-29151, 2014.
  12. H. Ren, J. Shao, M. Zhou, B. Arigong, J. Ding, and H. Zhang, “Novel Design of Multi-Band Branch-Line Coupler Using Multi-Band Transmission Lines,” Microwave and Optical Technology Letters, vol. 56, no. 12, pp. 2841-2845, Dec. 2014.
  13. D. George, J. Lutkenhaus, D. Lowell, M. Moazzezi, M. Adewole, U. Philipose, H. Zhang, Z. Poole, K. P. Chen, and Y. Lin, “Holographic Fabrication of 3D Photonic Structures Through Interference of Multi-Beams with 4+1, 5+1 and 6+1 Configurations,” Optics Express, vol. 22, no. 19, pp. 22421-22431, 2014.
  14. J. Ding, B. Arigong, H. Ren, M. Zhou, J. Shao, M. Lu, Y. Chai, Y. Lin, and H. Zhang, “Tuneable Complementary Metamaterial Structures Based on Graphene for Single and Multiple Transparency Windows,” Scientific Reports (Nature Publishing Group), 4:6128, 2014.
  15. A. Li Shen, M. Zhou, B. Arigong, J. Shao, H. Ren, J. Ding, R. Zhou, and H. Zhang, “Dual-Band Baluns with Flexible Frequency Ratios,” Electronics Letters, vol. 50, no. 17, pp. 1213-1214, Aug. 2014.
  16. M. Zhou, J. Shao, B. Arigong, J. Ding, H. Ren, R. Zhou, H. Zhang, “Design of Microwave Baluns with Generalized Structures,” IEEE Microwave and Wireless Components Letters, vol. 24, no. 10, pp. 695-697, Oct. 2014.
  17. B. Arigong, J. Cheng, R. Zhou, J. Ding, Y. Lin, and H. Zhang, “Tunable Extraordinary THz Transmission Using Liquid Metal Based Devices,” Plasmonics, vol. 9, no. 5, pp. 1221-1227, Oct. 2014.
  18. B. Arigong, H. Zhang, and H. S. Kim, “An Eye-opening Measurement Circuit in a 0.18 um CMOS Process,” Microwave and Optical Technology Letters, vol. 56, no. 9, pp. 2136-2141, Sep. 2014.
  19. J. Lutkenhaus, David George, Bayaner Arigong, H. Zhang, U. Philipose, and Y. Lin, “Defect-integrated Interference Lithography for Embedding Defects in Photonic Lattices through a Spatial Light Modulator,” Applied Optics, vol. 53, no. 12, pp. 2548 – 2555, 2014.
  20. H. Ren, J. Shao, R. Zhou, B. Arigong, and H. Zhang, “Compact Phased Array Antenna System Based on Dual-Band Operations,” Microwave and Optical Technology Letters, vol. 56, no. 6, pp. 1391 -1396, June 2014.
  21. X. -H. Wang, H. Zhang, and B. -Z. Wang, “Novel Balanced Wideband Filters Using Microstrip Coupled Lines,” Microwave and Optical Technology Letters, vol. 56, no. 5, pp. 1139 – 1141, May 2014.
  22. R. Zhou, Z. Zhang, C. Chen, and H. Zhang, “Design of Dual-Band Microwave Duplexers,” Electronics Letters, vol. 50, pp. 219-221, Jan. 2014.
  23. M. Zhou, J. Shao, B. Arigong, H. Ren, R. Zhou, H. Zhang, “A Varactor Based 90-Degree Directional Coupler with Tunable Coupling Ratios and Reconfigurable Responses,” IEEE Trans. on Microwave Theory and Techniques, vol. 62, no. 3, pp. 416 – 421, March 2014.
  24. J. Shao, R. Zhou, M. Zhou, B. Arigong, H. Ren, H. S. Kim, H. Zhang, “Design of GaN Doherty Power Amplifiers for Broadband Applications,” IEEE Microwave and Wireless Components Letters, vol. 24, no. 4 , pp. 248 – 250, April 2014.
  25. K. Ohlinger, J. Lutkenhaus, Bayaner Arigong, H. Zhang, and Y. Lin, “Spatially Addressable Design of Gradient Index Structures through Spatial Light Modulator Based Holographic Lithography,” J. of Appl. Phys., vol. 114, 213102, 2013.
  26. R. Zhou, J. Ding, B. Arigong, Y. Lin, and H. Zhang, “Broadband Monopole Optical Antennas,” J. of Appl. Phys., vol. 114, 184305, 2013.
  27. R. Zhou, H. Zhang, and H. Xin, “Liquid Based Dielectric Resonator Antenna and Its Application for Measuring Liquid Dielectric Properties,” IET Microwave, Antennas and Propagation, vol. 8, no. 4, pp. 255 – 262, 2013.
  28. B. Arigong, J. Ding, H. Ren, R. Zhou, H. S. Kim, Y. Lin, and H. Zhang, “Design of Wide-Angle Broadband Luneburg Lens Based Optical Couplers for Plasmonic Slot Nano-Waveguides,” J. of Appl. Phys., vol. 114, 144301, 2013.
  29. B. Arigong, H. Zhang, S. Jung, and H. S. Kim, “A Feed-Forward Equalizer with Winner-take-all Variable Gain Amplifiers for Backplane Channels,” Microwave and Optical Technology Letters, vol. 55, no. 11, pp. 2666-2670, Nov. 2013.
  30. H. S. Kim, V. Varanasi, G. Mehta, H. Zhang, T. -Y. Choi, K. Namuduri, J. Vingren, N. D’Souza, and R. Kowal, “Circuits, systems, and technologies for detecting the onset of sudden cardiac death through EKG analysis,” IEEE Circuits and Systems Magazine, pp. 10-25, Nov. 2013.
  31. B. Wang, X. -H. Wang, B. -Z. Wang, and H. Zhang, “Compact Microstrip Dual-Band Filter with Multiple Transmission Zeros,” J. of Electromagnetic Waves and Applications, vol. 27, no. 7, pp. 930-937, 2013.
  32. R. Zhou, I. Mandal, and H. Zhang, “Microwave Bandpass Filters with Tunable Center Frequencies and Reconfigurable Transmission Zeros,” Microwave and Optical Technology Letters, vol. 55, no. 7, pp. 1526 – 1531, July 2013.
  33. J. Lutkenhaus, D. George, D. Garrett, H. Zhang, and Y. Lin, “Holographic formation of compound photonic crystal and nano-antenna templates through laser interference,” J. Appl. Phys., vol. 113, 103103, 2013.
  34. J. Shao, R. Zhou, C. Chen, X.-H. Wang, H. S. Kim, and H. Zhang, “Design of a Wideband Balun Using Parallel Strips,” IEEE Microwave and Wireless Components Letters, vol. 23, no. 3, pp. 125 – 127, March 2013.
  35. X. -H. Wang, H. Zhang , and B. -Z. Wang, “A Novel Ultra- Wideband Differential Filter Based on Microstrip Line Structures,” IEEE Microwave and Wireless Components Letters, vol. 23, no. 3, pp. 128 – 130, March 2013.
  36. J. Shao, Gaurav Manandhar, B. Arigong, and H. Zhang, “Dual-Band Radio-Frequency Device for Sensing Dielectric Property Changes in Microfluidic Channel,” Microwave and Optical Technology Letters, vol. 54, no. 12, pp. 2691 – 2694, Dec. 2012.
  37. C. Gu, R. Li, H. Zhang, A. Fung, C. Torres, S. B. Jiang, and C. Li, “Accurate Respiration Measurement Using DC-Coupled Continuous-Wave Radar Sensor for Motion-Adaptive Cancer Radiotherapy,” IEEE Trans. on Biomedical Engineering, vol. 59, no. 11, pp. 3117 – 3123, Nov. 2012.
  38. Z. Salmani, and H. Zhang, “Design of Log-Periodic Dipole Array Inspired Antenna with Very Wide Bandwidth,” Microwave and Optical Technology Letters, vol. 54, no. 11, pp. 2646 – 2650, Nov. 2012.
  39. J. Lutkenhaus, F. A. Farro, D. George, K. Ohlinger, H. Zhang, Z. Poole, K. P. Chen, and Y. Lin, “Holographic Fabrication of 3D Photonic Crystals Using Silicon Based Reflective Optics Element,” Optical Materials Express, vol. 2, no. 9, pp. 1236 – 1241, 2012.
  40. Bayaner Arigong, Jin Shao, Han Ren, Geng Zheng, Jeffrey Lutkenhaus, Hyoungsoo Kim, Yuankun Lin, and H. Zhang, “Reconfigurable surface plasmon polariton wave adapter designed by transformation optics,” Optics Express, vol. 20, no. 13, pp. 13789 – 13797, 2012.
  41. J. Shao, H. Ren, B. Arigong, C. Li, and H. Zhang, “A Fully Symmetrical Crossover and Its Dual-Band Application,” IEEE Trans. on Microwave Theory and Techniques, vol. 60, no. 8, pp. 2410 – 2416, Aug. 20 12.
  42. Z. Salmani, C. Gu, C. Li, and H. Zhang, “High Gain Fermi A ntenna Array for Improved Radar Respiration Measurement,” Microwave and Optical Technology Letters, vol. 54, no. 7, pp. 1649 – 1654, July 2012.
  43. K. Ohlinger, H. Zhang, Y. Lin, D. Xu, and K. P. Chen, “A Tunable Three Layer Phase Mask for Single Laser Exposure 3D Photonic Crystal Generations: Bandgap Simulation and Holographic Fabrication,” Optical Materials Express, vol. 1, no. 5, pp. 1034 – 1039, 2011.
  44. J. Shao, H. Zhang, Y. Lin, and H. Xin, “Dual-Frequency Electromagnetic Cloaks Enabled by LC-Based Metamaterial Circuits,” Progress In Electromagnetics Research, vol. 119, pp. 225 – 237, 2011.
  45. J. Shao, H. Zhang, C. Chen, S. Tan, and K. J. Chen, “A Compact Dual-Band Coupled-Line Balun with Tapped Open-Ended Stubs,” Progress In Electromagnetics Research C, vol. 22, pp. 109 – 122, 2011.
  46. R. Zhou, H. Zhang, and H. Xin, “Improved Two-Antenna Direction Finding Inspired by Human Ears,” IEEE Trans. on Antennas and Propagation, vol. 59, no. 7, pp. 2691 – 2697, July 2011.
  47. H. Zhang, S. Bowman, and K. J. Chen, ” Efficient Parameter Extraction of Microwave Coupled Resonator Filter Using Genetic Algorithms,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 21, no. 2, pp. 137 – 144, March 2011.
  48. H. Zhang, H. Xin, R. Bortolin, and J. Kudva, “A Compact Metamaterial-Inspired Multi-Layered Slot Antenna,” Microwave and Optical Technology Letters, vol. 53, no. 1, pp. 219 – 223, Jan. 2011.
  49. H. Zhang, R. Zhou, Z. Wu, H. Xin, and R . Ziolkowski, “Designs of Ultra Wideband (UWB) Printed Elliptical Monopole Antennas with Slots,” Microwave and Optical Technology Letters, vol. 52 , no. 2, pp. 466 – 471, Feb. 2010.
  50. R. Zhou, H. Zhang, and H. Xin, “Metallic Wire Array as Low-Effective Index of Refraction Medium for Directive Antenna Application,” IEEE Trans. on Antennas and Propagation , vol. 58, no. 1, pp. 79 – 87, Jan. 2010.
  51. Q. Zhu, W. Liu, H. Zhang, and H. Xin, “Experimental Study of Microwave Radiation of Carbon Nanotube Arrays,” Appl. Phys. Lett., vol. 95 , 083119, Aug. 2009. (also selected to be published in Virtual Journal of Nanoscale Science & Technology , vol. 20, Sep. 7, 2009)
  52. H. Zhang and H. Xin, “Designs of Dual-Band Baluns for Antenna Applications,” IEEE Trans. on Antennas and Propagation, vol. 57, no. 3, pp. 786 – 789, March 2009.
  53. H. Zhang and K. J. Chen, “Design of Dual-Band Rat-Race Couplers,” IET Microwaves, Antennas and Propagations, vol. 3, no. 3, pp. 514 – 521, March 2009.
  54. R. Zhou, H. Zhang, and H. Xin, “Experimental Demonstration of Narrow Beam Monopole Antenna Embedded in Low Effective Index of Refraction (n<1) Wire Medium,” Microwave and Optical Technology Letters, vol. 50, no. 9, pp. 2341 – 2345, Sep. 2008.
  55. J. W. Zhang, H. Zhang, S. G. Lu, Z. K. Xu, and K. J. Chen, “The Effect of Physical Design Parameters on the RF and Microwave Performance of the BST Thin Film Planar Interdigitated Varactors,” Sensors and Actuators A: Physical, vol. 141, pp. 231 – 237, 2008.
  56. H. Zhang and K. J. Chen, “A Second-Order Dual-Band Bandpass Filter Using a Dual-Band Admittance Inverter,” Microwave and Optical Technology Letters, vol. 50, no. 5, pp. 1184 – 1187, May 2008.
  57. H. Zhang, Y. Peng, and H. Xin, “A Tapped Stepped-Impedance Balun with Dual-Band Operations,” IEEE Antennas and Wireless Propagation Letters, vol. 7, pp. 119 – 122, 2008.
  58. X. Wang, B. Wang, H. Zhang, and K. J. Chen, “A Tunable Bandstop Resonator Based on a Compact Slotted Ground Structure,” IEEE Trans. Microwave Theory and Techniques, vol. 55, no. 9, pp. 1912 – 1918, Sep. 2007.
  59. H. Zhang and K. J. Chen, “A Stub Tapped Branch-Line Coupler for Dual-Band Operations,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 2, pp. 106 – 108, Feb. 2007.
  60. H. Zhang and K. J. Chen, “Miniaturized Coplanar Waveguide Bandpass Filters Using Multi-Section Stepped Impedance Resonators,” IEEE Trans. Microwave Theory and Techniques, vol. 54, no. 3, pp. 1090 – 1095, March 2006.
  61. H. Zhang and K. J. Chen, “Bandpass Filters with Reconfigurable Transmission Zeros Using Varactor-Tuned Tapped Stubs,” IEEE Microwave and Wireless Components Letters, vol. 16, no. 5, pp. 249 – 251, May 2006.
  62. H. Zhang and K. J. Chen, “A Tri-Section Stepped-Impedance Resonator for Cross-Coupled Bandpass Filters,” IEEE Microwave and Wireless Components Letters, vol. 15, no. 6, pp. 401 – 403, June 2005.
  63. J. Zhang, Q. Zhu, H. Zhang, and Y. Li, “A Novel Microstrip Bandpass Filter,” Journal of University of Science and Technology of China, vol. 34, no. 6, pp. 732 – 738, 2004.

Conferences (selected from more than 80 conference papers and abstracts):

  1. J. Ding, L. Liu, B. Arigong, Y. Lin, M. Lu, and H. Zhang, “Asymmetrical Stepped-Junction Nanoantennas,” 2015 IEEE Photonics Conference (IPC 2015), Oct. 2015.
  2. H. Ren, B. Arigong, J. Shao, M. Zhou, J. Ding, and H. Zhang, “Design of an Un-Conventional Butler Matrix,” 2015 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, Vancouver, Canada, July 2015.
  3. B. Arigong, M. Zhou, H. Ren, J. Shao, J. Ding, S. Fu, H. Kim, and H. Zhang, “System Applications of Planar Couplers,” 2015 Texas Symposium on Wireless & Microwave Circuits & Systems (TXWMCS), Waco, Texas, April 2015.
  4. J. Lutkenhaus, D. George, U. Philipose, H. Zhang, and Y. Lin, “Spatial Light Modulator Based Holographic Fabrication of 3D Spatially Varying Photonic Crystal Templates,” 2015 SPIE Photonics West, San Francisco, CA, Feb. 2015.
  5. (Invited) B. Arigong, J. Ding, H. Ren, M. Zhou, J. Shao, R. Zhou, H. Kim, Y. Lin, S. Fu, and H. Zhang, “Transformation Optics for Microwave and Optical Device Design,” 2014 International Conference on Electromagnetics in Advanced Applications and IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (ICEAA’14 and IEEE APWC’14), Palm Beach, Aruba, Aug. 3-9, 2014.
  6. B. Arigong, J. Shao, M. Zhou, J. Ding, H. S. Kim, and H. Zhang, “A Novel Dual-Band Rat-Race Coupler,” The 15th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2014), Tampa, Florida, June 2014.
  7. J. Ding, B. Arigong, R. Zhou, Y. Lin, and H. Zhang, “Design of Broadband Metasurfaces to Manipulate Waves with Arbitrary Polarizations,” 2014 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 2014.
  8. A. Li Shen, R. Zhou, J. Shao, M. Zhou, B. Arigong, and H. Zhang, “A novel dual-band bandpass filter using asymmetric stub-loaded stepped-impedance resoantors,” 2014 Texas Symposium on Wireless & Microwave Circuits & Systems, Waco, Texas, April 2014.
  9. D. George, J. Lutkenhaus, B. Arigong, H. Zhang, U. Philipose, and Y. Lin, “Fabrication of Defects in Periodic Crystals Using a Phase Only Spatial Light Modulator,” 2014 SPIE Photonics West, San Francisco, California, Feb. 2014.
  10. D. Poe, J. Shao, O. Lee, H. Zhang, S. Jung, and H. S. Kim, “Dual-Band Class-E RF PA Design Utilizing Complex Impedance Transformers,” 2013 Texas Symposium on Wireless & Microwave Circuits & Systems, Waco, Texas, April 2013.
  11. I. Mandal, R. Zhou, H. Ren, Y. Wan, and H. Zhang, “Synthesis of Dual-Band Microwave Duplexers,” 2013 Texas Symposium on Wireless & Microwave Circuits & Systems, Waco, Texas, April 2013.
  12. H. Zhang, and Y. Lin, “Broadband Optical Antennas for Arbitrarily Polarized Light Waves,” 2013 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 2013.
  13. (Invited) J. Shao, H. Ren, B. Arigong, R. Zhou, H. S. Kim, and H. Zhang, “Designs of Dual Band Microwave Components and Their Applications,” The 14th Annual IEEE Wireless and Microwave Technology Conference (WAMICON 2013), Orlando, Florida, April 2013.
  14. H. Ren, J. Shao, B. Arigong, H. Zhang, C. Gu, and C. Li, “Application of Phased Array Antenna for Radar Respiration Measurement,” 2012 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 2012.
  15. H. Zhang, J. Ding, and Y. Lin, “Multi-Frequency and Broadband Optical Antennas,” SPIE Defense, Security, and Sensing, April 2012.
  16. B. Arigong, J. Shao, H. S. Kim, and H. Zhang, “Design of Tunable Metamaterial Based On-Chip Spiral Inductor,” 2012 International Workshop on Antenna Technology (iWAT 2012), March 2012.
  17. C. Gu, Z. Salmani, H. Zhang, and C. Li, “Antenna Array Technology for Radar Respiration Measurement in Motion-Adaptive Lung Cancer Radiotherapy,” 2012 IEEE Radio and Wireless Symp. (RWS 2012), Santa Clara, CA, USA, Jan. 2012.
  18. C. Chen, J. M. Rasool, H. Zhang, and W. Chen, “An Improved Hairpin-Comb Bandpass Filter with Tapped Open Stubs,” 2011 International Conference on Instrumentation, Measurement, Circuits and Systems (ICIMCS 2011), Dec. 2011.
  19. H. Zhang, and Y. Lin, “Design of Tunable Optical Antennas Based on Holographically-Formed Polymer Dispersed Liquid Crystals,” 2011 IEEE International Symposium on Antennas and Propagation and USNC/URSI National Radio Science Meeting, July 2011.
  20. G. Zheng, H. Zhang, and Y. Lin, “Design of Low-Cost Photonic Crystals Based Three-Dimensional Invisibility Cloak,” 2011 SPIE Defense, Security, and Sensing, Orlando, April 25 – 29 , 2011.
  21. Z. Salmani, Y. Xie, G. Zheng, H. -F. Zhang, and H. Zhang, “Application of Antenna in Strain Measurement,” 2011 IEEE International Workshop on Antenna Technology (iWAT 2011), Hong Kong, March 7 – 9, 20 11.
  22. X. Zou, K. Chen, H. Zhang, and J. Zhang, “Design and Simulation of 4-Bit 10 – 14 GHz RF MEMS Tunable Filter,” IEEE Int. Conf. on Nano/Micro Engineering and Molecular Systems (IEEE-NEMS 2009), Shenzhen, China, Jan. 2009.
  23. H. Zhang, R. W. Ziolkowski, and H. Xin, “A Compact Metamaterial-Inspired mmW CPW-Fed Antenna,” 2009 IEEE International Workshop on Antenna Technology (iWAT 2009), Santa Monica, California, March 2 – 4, 2009.
  24. (Invited) H. Zhang and H. Xin, “Stepped-Impedance Based Dual-Band and Dual-Function Balun for 20 / 44 GHz Applications,” special session for mmWave in 3rd European Conference on Antennas and Propagation (Eucap 2009), Berlin, Germany, March 23 – 27, 2009.
  25. H. Zhang and H. Xin, “Dual-Band Branch-Line Balun for Millimeter-Wave Applications,” 2009 IEEE MTT-S International Microwave Symposium (IMS09), Boston, MA, USA, June 7 – 12, 2009.
  26. H. Zhang, H. Xin, and R. W. Ziolkowski, “Designs of Metamaterials Enabled Electromagnetic Cloaks for Dual-Frequency Application,” 2009 IEEE International Symposium on Antennas and Propagation, June 2009.
  27. H. Zhang, H. Xin, and R. W. Ziolkowski, “Designs of Novel Printed Elliptical Monopole Antenna for UWB Applications,” 2009 IEEE International Symposium on Antennas and Propagation, June 2009.
  28. R. Zhou, H. Zhang, and H. Xin, “Demonstration of Compact Liquid Dielectric Resonator Antenna,” 2009 IEEE International Symposium on Antennas and Propagation, June 2009.
  29. (Invited) H. Zhang, H. Xin, and R. W. Ziolkowski, “Metamaterial Based Compact CPW-Fed Antenna for 44 GHz Applications,” 2008 URSI Conference, B6-4, Boulder, USA, Jan. 2008.
  30. (Invited) R. Zhou, H. Zhang, and H. Xin, “Radiation Characteristics of Monopole Antenna Embedded in Low Effective Index of Refraction (n<1) Wire Media,” 2008 URSI Conference, BS8-7, Boulder, USA, Jan. 2008.
  31. H. Zhang, Y. Peng, and H. Xin, “Designs of Dual-Band Balun with Tapped Stubs,” 2008 IEEE Radio and Wireless Symp., Orlando, USA, Jan. 2008.
  32. H. Zhang and H. Xin, “Designs of Dual-Band Wilkinson Power Dividers with Flexible Frequency Ratios,” 2008 IEEE MTT-S International Microwave Symposium (IMS 2008),Atlanta, Georgia, USA, June 15 – 20, 2008.
  33. H. Zhang, H. Xin, and R. W. Ziolkowski, “Designs of Novel Printed Elliptical Monopole Antenna for UWB Applications,” 2008 IEEE International Symposium on Antennas and Propagation, July 2008.
  34. H. Zhang and H. Xin, “Dual-Band Balun with Fully Matched Performance,” Proceedings of 2008 Asia-Pacific Microwave Conference (APMC 2008), Hong Kong, Dec. 16 – 19, 2008 (shortlisted paper for the APMC prize)
  35. J. Zhang, H. Zhang, K. J. Chen, S. G. Lu, and Z. Xu, “Microwave Performance Dependence of BST Thin Film Planar Interdigitated Varactors on Different Substrate,” IEEE Int. Conf. on Nano/Micro Engineering and Molecular Systems (IEEE-NEMS 2007), Bangkok, Thailand, Jan. 2007.
  36. H. Zhang and K. J. Chen, “A Microstrip Bandpass Filter with an Electronically Reconfigurable Transmission Zero,” 2006 European Microwave Conference (EuMW 2006), Manchester, U. K., Sep. 10 – 15, 2006.
  37. H. Zhang, J. W. Zhang, L. L. W. Leung, and K. J. Chen, “Bandpass and Bandstop Filters Using CMOS-Compatible Micromachined Edge-Suspended Coplanar Waveguides,” Proceedings of 2005 Asia-Pacific Microwave Conference (APMC 2005), Suzhou, China, Dec. 4 – 7, 2005.
  38. H. Zhang and K. J. Chen, “Compact Bandpass Filters Using Slow-Wave Coplanar Waveguide Tri-Section Stepped Impedance Resonators,” Proceedings of 2005 Asia-Pacific Microwave Conference (APMC 2005), Suzhou, China, Dec. 4 – 7, 2005.
  39. J. Zhang, H. Zhang, and Q. Zhu, “A Novel High-Performance Narrow-Band Bandpass Filter,” 2003 IEEE-AP Symposium, Columbus, OH, June 2003.
  40. H. Zhang and Q. Zhu, “A Novel Slot Antenna on Edge of V-Curved Plates,” 2002 3rd International Conference on Microwave and Millimeter-Wave Technology Proceedings (ICMMT), pp. 373 – 376, August 2002, China.