THz Photoelectronics Research Group

Publications

Peer-Reviewed Journal Papers

[J26] M. Bashirpour, M. R. Kolahdouz, and M. Neshat, "Enhancement of optical absorption in LT-GaAs by double layer nanoplasmonic array in photoconductive antenna," Vacuum (In Press), 2017.

[J25] M. J. Mohammad-Zamani, M. Fathipour, M. Neshat, F. Nazari, and M. Ghaemi, "Bias-free and antenna-coupled CW terahertz array emitter with anomalous Schottky barriers," Journal of the Optical Society of America B, Vol. 34, No. 9, pp. 1771-1779, 2017.

[J24] A. Chekini, S. Sheikhaei, and M. Neshat, "Multiband plasmonic nanoantenna structure for infrared energy harvesting based on electron field emission rectification," Microw. Opt. Technol. Lett., Vol. 59, No. 10, pp. 2630-2634, 2017.

[J23] M. J. Mohammad-Zamani, M. K. Moravvej-Farshi, M. Neshat, "Array of Unbiased Antennaless THz Emitters Composed of Buried Nanoscale Asymmetric MSM Gratings With Dissimilar Schottky Barriers," IEEE Journal of Selected Topics in Quantum Electronics, Vol. 23, No. 4, 2017.

[J22] A. Yousef-Zamanian and M. Neshat, "Investigation of polarization state of terahertz radiation from compact laser-induced plasma in air," Journal of Modern Optics, Vol. 64, No. 3, pp. 300-308, 2017.

[J21] M. J. Mohammad-Zamani, M. K. Moravvej-Farshi, M. Neshat, "Radiation Enhancement in Plasmonic Bias-free and Antenna-less CW Terahertz Photomixer Emitters Array," The Modares Journal of Electrical Engineering, Vol. 14, No. 4, pp. 15-23, 2016.

[J20] M. J. Mohammad-Zamani, M. Neshat and M. K. Moravvej-Farshi, "CW THz radiation enhanced by nano-slit cavity plasmonic modes and built-in fields in unbiased and antenna-less photomixer emitters array," Optics Letters, Vol. 41, No. 2, pp. 420-423, 2016.

[J19] M. J. Mohammad-Zamani, M. K. Moravvej-Farshi, M. Neshat, "Unbiased CW Terahertz Photomixer Emitters with Dis-Similar Schottky Barriers: An Optimized Configuration," Optics Express, Vol. 23, No. 15, pp. 19129-19141, July 2015.

 [J18] M. Zolfagharloo-Koohi, M. Neshat, "Evaluation of Graphene-based Terahertz Photoconductive Antennas," (Invited Paper) Scientia Iranica (Transaction F: Nanotechnology), Vol. 22, No. 3, pp. 1299-1305, May 2015.

[J17] M. Neshat and N. P. Armitage, "Developments in THz Range Ellipsometry," (Invited Paper) Journal of Infrared, Millimeter, and Terahertz Waves, Vol. 34, No. 11,pp. 682-708, November 2013.

[J16] H. Amarloo, M. Neshat and S. Safavi-Naeini, "Terahertz Plasmonic-like Waveguide for Integrated Sensing Applications," Electronics Letters, Vol. 49, No. 13, pp. 836-838, June 2013.

[J15] S. Jafarlou, M. Neshat and S. Safavi-Naeini, "A Hybrid Analysis Method for Plasmonic Enhanced Terahertz Photomixer Sources," Optics Express, Vol. 21, No. 9, pp. 11115-11124, April 2013.

[J14] K. Schmalz, J. Borngraber, M. Kaynak, W. Winkler, J. Wessel, M. Neshat, and S. Safavi-Naeini, "A 120 GHz Dielectric Sensor in SiGe BiCMOS," IEEE Microwave and Wireless Components Letters, Vol. 23, No. 1, pp. 46-48, January 2013. 

[J13] M. Neshat and N. P. Armitage, "Terahertz Time-domain Spectroscopic Ellipsometry: Instrumentation and Calibration," Optics Express, Vol. 20, No. 27, pp. 29063-29075, December 2012.

[J12] S. Jafarlou, M. Neshat and S. Safavi-Naeini, "A Fast Method for Analysis of Guided Wave and Radiation from a Nano-scale Slit Loaded Waveguide for a THz Photoconductive Source," IEEE Trans. on Terahertz Science and Technology, Vol. 2, No. 6, pp. 652-658, November 2012.

[J11] M. Khabiri, M. Neshat and S. Safavi-Naeini, "Hybrid Computational Simulation and Study of Continuous Wave Terahertz Photomixers ," IEEE Trans. on Terahertz Science and Technology,  Vol. 2, No. 6, pp. 605-616, November 2012.

[J10] A. Taeb, M. Neshat, S. Gigoyan, S. Safavi-Naeini, "A Low Cost Whispering Gallery Mode Based Sensor in mm-Wave Range: Design Considerations and Accurate Analysis," (Invited Paper) International Journal of Microwave and Wireless Technologies, Vol. 4, No. 3, pp. 341-348, June 2012.

[J9] M. Neshat and N. P. Armitage, "Improved Measurement of Polarization State in Terahertz Polarization Spectroscopy," Optics Letters, Vol. 37, No. 11, pp. 1811-1813, June 2012.

[J8] M. Neshat, D. Hailu, M.R. Nezhad-Ahmadi, G. Rafi, and S. Safavi-Naeini, "Gain Measurement of an Embedded On-chip Antenna in mmW/THz Range," IEEE Trans. on Antennas and Propagation, Vol. 60, No. 5, pp. 2544-2549, May 2012.

[J7] D. Hailu, I. Ehtezazi, M. Neshat, G. Shaker, and S. Safavi-Naeini, "Hybrid Spectral Domain Ray Tracing Method for Fast Analysis of Millimeter-wave and Terahertz Integrated Antennas," IEEE Trans. Terahertz Science & Technology, Vol. 1, No. 2, pp. 425-434, November 2011.

[J6] M. Neshat, and S. Safavi-Naeini, "Performance Analysis of Resonance-based Transducers in Terahertz Bio-chips Using Equivalent Surface Impedance Model," IEEE Photonics Technology Letters, Vol. 22, No. 20, pp. 1512-1514, October 2010.

[J5] A. Heidari, M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Signal Recovery in Pulsed Terahertz Integrated Circuits", Progress In Electromagnetics Research (PIER), Vol. 107, pp. 269-292, 2010.

[J4] M. Neshat, D. Saeedkia, L. Rezaee and S. Safavi-Naeini, "A Global Approach for Modeling and Analysis of Edge-Coupled Traveling-Wave Terahertz Photoconductive Sources," IEEE Transactions on Microwave Theory & Techniques, Special Issue on THz Technology: Bridging the Microwave-to-Photonics Gap, Vol. 58, No. 7, pp. 1952 - 1966, 2010.

[J3] M. Neshat, H. Chen, S. Gigoyan, D. Saeedkia, and S. Safavi-Naeini, "Whispering Gallery Mode Resonance Sensor for Dielectric Sensing of Drug Tablets," Measurment Science and Technology, vol. 21, no 1, 015202(11pp), 2010.

[J2] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Semi-Analytical Calculation of Terahertz Signal Generated from Photocurrent Radiation in Traveling-Wave Photonic Mixers," International Journal of Infrared and Millimeter Waves, vol. 29, no. 9, pp. 809-822, 2008.

[J1] M. Neshat, S. Gigoyan, D. Saeedkia, and S. Safavi-Naeini, "Traveling-Wave Whispering Gallery Resonance Sensor in mm-Wave Range," Electronics Letters, Vol. 44, No. 17, pp. 1020-1022, 2008.

Patents

[P3] M. Neshat and N. P. Armitage, "Terahertz Time-domain Spectroscopic Ellipsometry System," US patent 9322712, 2016. 

[P2] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Apparatus for Carrying Photoconductive Integrated Circuits," United States Patent Application No. 12/499,348, 2010.

[P1] S. Gigoyan, M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Terahertz and Millimeter-Wave Whispering Gallery Mode Resonator Systems, Apparatus and Methods," International Patent No. WO/2010/017635, 2010.

Refereed Conference Papers

[C45] M. Bashirpour, M.R. Kolahdouz, M. Neshat, H.R. Hajhosseini, and M. Fathipour, "Terahertz Photoconductive Antenna Efficiency Improvement Using Gold Nanoplasmonic Structure," To be presented at European Advanced Materials Congress, 2017.

[C44] M. Forouzmehr, M. Bashirpour, M.R. Kolahdouz, S. Ghorbani, and M. Neshat, "Terahertz Photoconductive Antenna Efficiency Improvement Using ZnO Nanorods," To be presented at European Advanced Materials Congress, 2017.

[C43] S. Ghorbani, M. Bashirpour, M. Forouzmehr, M.R. Kolahdouz, and M. Neshat, "Simulation of THz Photoconductive Antennas Loaded by Different Metallic Nanoparticles," in Proceedings of the 4th Int. Conference on Millimeter Wave & Terahertz Technologies (MMWaTT'16), 20-22 Dec. 2016, Tehran, Iran.

[C42] M. Bashirpour, S. Ghorbani, M. Forouzmehr, M.R. Kolahdouz, and M. Neshat, "Optical Absorption Enhancement in LTG-GaAs for Efficiency Improvement of THz Photoconductive Antennas," in Proceedings of the 4th Int. Conference on Millimeter Wave & Terahertz Technologies (MMWaTT'16), 20-22 Dec. 2016, Tehran, Iran.

[C41] A. Chekini, S. Sheikhaei, and M. Neshat, "A Novel Plasmonic Nanoantenna Structure for Solar Energy Harvesting," in Proceedings of the 4th Int. Conference on Millimeter Wave & Terahertz Technologies (MMWaTT'16), 20-22 Dec. 2016, Tehran, Iran.

[C40] M. J. Mohammad-Zamani, M. K. Moravvej-Farshia, and M. Neshat, "Radiation Enhancement in Unbiased Array of CW Terahertz Photomixer Emitters with Nano-Slit Waveguide Resonant Modes," in Proceedings of the 4th Int. Conference on Millimeter Wave & Terahertz Technologies (MMWaTT'16), 20-22 Dec. 2016, Tehran, Iran.

[C39] M. Bashirpour, S. Ghorbani, M.R. Kolahdouz, M. Neshat, H.R. Hajhosseini, M. Mansouree, and M. Fathipour, "Simulation and Fabrication of Photoconductive Antenna on LTG-GaAs for Terahertz Radiation," in Proceedings of the Asia Communications and Photonics Conference, 2–5 November 2016, Wuhan China.

[C38] S. Ghorbani, M. Bashirpour, M.R. Kolahdouz, M. Neshat, M. Mansouree, and M. Forouzmehr, "Improving Efficiency of THz Photoconductive Antennas Using Nano Plasmonic Structure," in Proceedings of the Asia Communications and Photonics Conference, 2–5 November 2016, Wuhan China.

[C37] M. Bashirpour, J. Poursafar, M.R. Kolahdouz, M. Neshat, H. Hajhosseini, and M. Fathipour, “Nano-plasmonic Terahertz Photoconductive Antenna on LT-GaAs for Power Improvement Performance,” in Proceedings of the European Materials Research Society (EMRS-2016 Fall Meeting), 19-22 September 2016, Warsaw, Poland.

[C36] M. J. Mohammad-Zamani, M. K. Moravvej-Farshia, and M. Neshat, "Proposal for THz Generation by an Unbiased and Antenna-coupled CW Terahertz Photomixer," in Proceedings of the 24th Iranian Conf. on Electrical Engineering (ICEE 2016), 10-12 May 2016, Shiraz, Iran.

[C35] M. J. Mohammad-Zamani, M. K. Moravvej-Farshia, and M. Neshat, “Enhanced Radiation in Unbiased Array of CW Terahertz Photomixer Emitters by Using Nano-Scale Bi-Metallic Gratings,” (Best Poster Award) in Proceedings of the 6th International Conference on Nanostructures (ICNS6), 7-10 March 2016, Kish Island, Iran.

[C34] E. Bayati, A. Akhoundi, and M. Neshat, "Millimeter-Wave Gunn-Diode Oscillators Based on Whispering Gallery Mode Resonators," in Proceedings of the 23rd Iranian Conf. on Electrical Engineering (ICEE 2015), 10-14 May 2015, Tehran, Iran.

[C33] R. Hekmati, H. Ghafori fard, M. Neshat, and M. Fathipour, "Investigation of High- and Low-κ Gate Dielectrics in Tuning of Graphene-Loaded THz Antennas," in Proceedings of the 23rd Iranian Conf. on Electrical Engineering (ICEE 2015), 10-14 May 2015, Tehran, Iran.

[C32] A. Yousef-Zamanian and M. Neshat, "Investigation of Radiation Mechanism in THz Generation based on Laser-induced Plasma in Air," in Proceedings of the 3rd Conference on Millimeter Wave & Terahertz Technologies, 30 Dec. 2014-1 Jan. 2015, Tehran, Iran.

[C31] A. Mohebbi-Kolvanagh and M. Neshat, "Analysis and Design of a Microprobe for Near-field Scanning Terahertz Microscopy," in Proceedings of the 3rd Conference on Millimeter Wave & Terahertz Technologies, 30 Dec. 2014-1 Jan. 2015, Tehran, Iran.

[C30] E. Javadi, N. Masoumi, M. Neshat, and M. Shahabadi, "Nonlinear Transmission-Line Model of an FET Terahertz Detector for Arbitrary Gate Voltage," in Proceedings of the 3rd Conference on Millimeter Wave & Terahertz Technologies, 30 Dec. 2014-1 Jan. 2015, Tehran, Iran.

[C29] M. J. Mohammadzamani, M. K. Moravvej Farshi and M. Neshat, "Modeling And Designing Unbiased CW Terahertz Photomixer Emitters," in Proceedings of the 3rd Conference on Millimeter Wave & Terahertz Technologies, 30 Dec. 2014-1 Jan. 2015, Tehran, Iran.

[C28] M. R. Kolahdouz and M. Neshat, "Recent Advances in Terahertz and Thermal Imaging," in Proceedings of the 2nd International Symposium on Optics and its Applications, 1-5 September 2014, Armenia.

[C27] M. Zolfagharloo-Koohi and M. Neshat, "Antenna Efficiency in Graphene-based THz Photoconductive Antennas," in Proceedings of the 22nd Iranian Conf. on Electrical Engineering (ICEE 2014), 20-22 May 2014, Tehran, Iran.

[C26] M. Zolfagharloo-Koohi, M. Neshat, "Antenna Efficiency in Graphene-based THz Photoconductive Antennas," in Proceedings of the 22nd Iranian Conf. on Electrical Engineering (ICEE 2014), 20-22 May 2014, Tehran, Iran.

[C25] M. Zolfagharloo-Koohi, M. Neshat, "Graphene-based High Impedance and Tunable Antennas for Terahertz Photoconductive Antenna Sources/Detectors," in Proceedings of the 5th International Conference on Nanostructures (ICNS5), 6-9 March 2014, Kish Island, Iran.

[C24] M. Neshat, "Recent Advances in the Analysis and Simulation of Terahertz Photoconductive Sources," in Proceedings of the 2nd Conference on Millimeter Wave & Terahertz Technologies, 24-26 December 2012, Tehran, Iran.

[C23] M. Neshat and N. P. Armitage, "Polarization State Measurements of Terahertz Time-Domain Pulses," in Proceedings of the Conference on Lasers and Electro-Optics (CLEO), 6-11 May 2012, San Jose, California.

[C22] A. Taeb, M. Neshat, S. Gigoyan, G. Rafi, and S. Safavi-Naeini, "A Low Cost and Sensitive Sensor  Based on the Whispering Gallery Mode at D-Band," in Proceedings of the European Microwave conference, 9-14 October 2011, Manchester, UK.

[C21] M. Basha, B. Biglarbegian, M. Neshat, S. Gigoyan, and S. Safavi-Naeini, "Low-cost, Monolithic and Integrated Whispering Gallery Mode Ring Resonator for Sensing Applications," in Proceedings of the European Microwave conference, 9-14 October 2011, Manchester, UK.

[C20] D. Hailu, M. Neshat, and S. Safavi-Naeini, "Hybrid Spectral Domain Ray Tracing Algorithm for Fast Analysis of On-Chip Terahertz Integrated Antenna," in Proceedings of the IEEE Int. Symp. Antennas & Propagation, 3-8 July 2011, Spokane, Washington, USA.

[C19] M. Neshat, N. Ranjkesh, M. Basha, K. Bayat, S. K. Chaudhuri, and S. Safavi-Naeini, "Low-cost Sub-Millimeter-Wave/THz Integrated System Technologies," (Invited Paper) in Proceedings of IEEE Int. Topical Meeting on Microwave Photonics, 5-9 October 2010, Montreal, Canada.

[C18] M. Neshat, A. Taeb, S. Gigoyan, and S. Safavi-Naeini, "Whispering Gallery Mode Resonance beyond 100 GHz," in Proceedings of IRPhE 2010 Conference, 23-26 September 2010, Ashtarak-Aghveran, Armenia.

[C17] A. Taeb, M. Neshat, S. Gigoyan and S. Safavi-Naeini, "A Gallery Mode Oscillator for the Low Cost Millimeter-Wave Active Antenna Array," in Proceedings of the IEEE Int. Symp. Antennas & Propagation, 11-17 July 2010, Toronto, Canada.

[C16] D. Hailu, I. Ehtezazi, M. Neshat, and S. Safavi-Naeini, "Simulation of Bow-tie THz Antenna Using Hybrid Finite Element Method and Spectral Ray Tracing Technique," in Proceedings of 34th Int. Conf. on Infrared, Millimeter, and Terahertz Waves, 21-25 September 2009, Busan, Korea.

[C15] H. Chen, M. Neshat, S. Gigoyan, D. Saeedkia, and S. Safavi-Naeini, "A Frequency Agile Beam Steerable Tapered Dielectric Image-Line Antenna Array with Novel Feeding Structure," in Proceedings of  the IEEE Radio and Wireless Symposium, 18-22 January 2009, San Diego, California.

[C14] M. Neshat, A. Heidari, D. Saeedkia, and S. Safavi-Naeini, "Echo Cancellation in Pulsed Terahertz Integrated Circuits," in Proceedings of 33th Int. Conf. on Infrared, Millimeter, and Terahertz Waves, 15-19 September 2008, Pasadena, California.

[C13] M. Neshat, H. Chen, S. Gigoyan, D. Saeedkia, and S. Safavi-Naeini, "Dielectric Measurement of Small Volume Liquid Samples Using Dielectric Image Guide in mm-Wave Range," in Proceedings of 33th Int. Conf. on Infrared, Millimeter, and Terahertz Waves, 15-19 September 2008, Pasadena, California.

[C12] S. Gigoyan, D. Saeedkia, M. Neshat, H. Chen, and S. Safavi-Naeini, "Tapered Dielectric Image-Line Antenna Array for Millimeter-Wave Applications," in Proceedings of the IEEE Radio and Wireless Symposium, 22-24 January 2008, Orlando, Florida.

[C11] D. Saeedkia, M. Neshat, and S. Safavi-Naeini, "Edge-Coupled Terahertz Photomixer Sources for On-Chip Sensing Applications," in Proceedings of the IEEE International Topical Meeting on Microwave Photonics, Victoria, BC, Canada, October 3-5, 2007.

[C10] M. Neshat, D. Saeedkia, M. Nagel, and S. Safavi-Naeini, "Electromagnetic Modeling of the DNA monolayer in THz Bio-chips," in Proceedings of the Joint 32th Int. Conf. on Infrared and Millimeter Waves and 15th Int. Conf. on Terahertz Electronics, 2-7 September 2007, Cardiff, UK.

[C9] M. Neshat, D. Saeedkia, S. Gigoyan, and S. Safavi-Naeini, "Mode-Selective Dielectric Resonator Coupled to Dielectric Image Waveguide for mm-Wave Sensing Applications," in Proceedings of the Joint 32th Int. Conf. on Infrared and Millimeter Waves and 15th Int. Conf. on Terahertz Electronics, 2-7 September 2007, Cardiff, UK.

[C8] M. Neshat, D. Saeedkia, R. Sabry, and S. Safavi-Naeini, "An Integrated Continuous-Wave Terahertz Biosensor," (Invited Paper) in Proc. of  SPIE, vol. 6549, May 2007.

[C7] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "On the Behavior of the Radiation Field from Large-Aperture Terahertz Photoconductive Antenna under Impulsive Excitation," in Proceedings of the IEEE International Workshop on Antenna Technology, 21-23 March 2007, Cambridge, UK.

[C6] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Low Profile Double Negative Lens Antenna," in Proceedings of the IEEE International Workshop on Antenna Technology, 21-23 March 2007, Cambridge, UK.

[C5] D. Saeedkia, M. Neshat, S. Gigoyan, and S. Safavi-Naeini, "A Low-Loss Dielectric Waveguide Structure for Terahertz Applications," in Proceedings of the 18th International Symposium on Space Terahertz Technology (ISSTT), p. 104, 21-23 March 2007, Pasadena, California.

[C4] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "A THz Transducer for On-Chip Label-Free DNA Sensing," in Proceedings of the OSA Optical Terahertz Science and Technology Topical Meeting, 18-21 March 2007, Orlando, Florida.

[C3] M. Neshat, D. Saeedkia, and S. Safavi-Naeini, "Analysis of an Edge-Coupled Terahertz Photomixer Source Integrated with a Coplanar Stripline Waveguide," in Proceedings of the Joint 31th Int. Conf. on Infrared and Millimeter Waves and 14th Int. Conf. on Terahertz Electronics, 18-22 September 2006, Shanghai, China.

[C2] D. Saeedkia, M. Neshat, and S. Safavi-Naeini, "Analysis of a Multilayer Slab Waveguide for Edge-Coupled THz Photomixer Applications," in Proceedings of the Joint 31th Int. Conf. on Infrared and Millimeter Waves and 14th Int. Conf. on Terahertz Electronics, 18-22 September 2006, Shanghai, China.

[C1] H. Golnabi and M. Neshat, "Design of an Optical Sensing System for Relative Motion Measurement," in Proceedings of the 11th Int. Conf. on Flexible Automation and Intelligent Manufacturing (FAIM 2001), Vol. 2, pp. 912-923, Dublin, Ireland.

 

Refereed Conference Papers in Persian

[CP4] O. Panahi, M. Kheirollahi, … and M. Neshat, "A THz Time-Domain Spectroscopy for Lactose Identification," in Proceedings of the 22nd Iranian Conf. on Optic and Photonic (ICOP 2016) and 8th Iranian Conf. on Photonics Engineering and Technology (ICPET 2016), 26-28 January 2016, Yazd, Iran.

[CP3] O. Panahi, M. Kheirollahi, … and M. Neshat, "A THz Imaging System based on Photoconductive Antennas," in Proceedings of the 22nd Iranian Conf. on Optic and Photonic (ICOP 2016) and 8th Iranian Conf. on Photonics Engineering and Technology (ICPET 2016), 26-28 January 2016, Yazd, Iran.

[CP2] A. Yosef-Zamanian and M. Neshat, "Investigation of the Current Model in Terahertz Wave Generation based on Laser-Induced Plasma," in Proceedings of the 22nd Iranian Conf. on Electrical Engineering (ICEE 2014), 20-22 May 2014, Tehran, Iran.

[CP1] M. Neshat and F. Farzaneh, "A Novel Method in Large-Signal Analysis of Microwave Amplifiers Using Describing Functions," in Proceedings of the 9th Iranian Conf. on Electrical Engineering (ICEE 2001), Vol. 3, pp. 67-76, Tehran, Iran.

 

Last Updated: August 2017

Copyright © 2017. THz Photoelectronics Lab. All rights reserved.