Dr Khalid Rajab
Lecturer
Email: s.rajab@qmul.ac.ukRoom Number: Engineering, Eng E205Office Hours: Thursday 14:00-15:00, Tuesday 09:00-10:00, Thursday 09:00-10:00
Research
Research Interests:
I am interested in all aspects of science related to the world around us, and modern technologies.My current research interests include:-
- Metamaterials & transformation optics (particularly active/nonlinear materials)
- Active, reconfigurable and tuneable materials and systems
- Microwave, millimetrewave and terahertz physics & devices
- Computational electromagnetics & multiphysics
- Plasmonics & nanoantennas
- The physics of the natural world
Publications
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FALADE OP, JILANI SFJ, RAJAB S et al. (publicationYear). Design and characterisation of a screen-printed millimetre-wave flexible metasurface using copper ink for communication applications. nameOfConference
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Aziz AK, Zhang L, Hao Y et al. (2018). Ultrashort pulse synthesis for energy concentration control in nanostructures.. nameOfConference
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Yang L, Tian J, Rajab KZ et al. (2017). FDTD Modeling of Nonlinear Phenomena in Wave Transmission through Graphene. nameOfConference
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Alizadeh P, Parini CG, Rajab KZ (2017). Optically reconfigurable unit cell for Ka-band reflectarray antennas. nameOfConference
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Tian J, Nagarkoti DS, Rajab KZ et al. (2017). High-Impedance Surface Loaded with Graphene Non-Foster Circuits for Low-Profile Antennas. nameOfConference
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Nagarkoti DS, Rajab KZ, Hao Y (2017). Non-foster impedance design techniques for high performance small antenna. nameOfConference
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YANG L, Rajab SAYID-KHALID, Chew E (2017). Filter Diagonalisation Method for Music Signal Analysis: Frame-wise Vibrato Detection and Estimation. nameOfConference
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Li W, Rajab KZ, Alhoefer K et al. (2017). Broadband matching of nuclear quadrupole resonance detector using non-Foster circuits. nameOfConference
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Bao D, Rajab KZ, Jiang WX et al. (2016). Experimental demonstration of compact spoof localized surface plasmons.. nameOfConference
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Nagarkoti DS, Hao Y, Rajab KZ (2016). Radiation-Q bound of a small non-Foster antenna. nameOfConference
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Nagarkoti DS, Hao Y, Rajab KZ (2016). Signal to noise ratio improvement with non-Foster antenna matching. nameOfConference
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YANG L, Rajab SAYID-KHALID, Chew E (2016). AVA: A Graphical User Interface for Automatic Vibrato and Portamento Detection and Analysis. the 42nd International Computer Music Conference
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YANG L, Rajab SAYID-KHALID, Chew E (2016). AVA: An Interactive System for Visual and Quantitative Analyses of Vibrato and Portamento Performance Styles. the 17th International Society for Music Information Retrieval Conference
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Tian J, Nagarkoti DS, Rajab KZ et al. (2016). Graphene-based tunable non-foster circuit for VHF applications. nameOfConference
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Alizadeh P, Andy AS, Parini C et al. (2016). A reconfigurable reflectarray antenna in Ka-band using optically excited silicon. nameOfConference
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Nagarkoti DS, Hao Y, Rajab KZ (2016). Q-bandwidth enhancement of an antenna using non-Foster circuit based on negative differential resistance devices. nameOfConference
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Fan Y, Nagarkoti DS, Rajab KZ et al. (2016). Wave propagation in reconfigurable broadband gain metamaterials at microwave frequencies. nameOfConference
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ANDY A, Alizadeh P, Rajab KZ et al. (2016). An Optically-Switched Frequency Reconfigurable Antenna for Cognitive Radio Applications. 10th European Conference on Antennas and Propagation (EuCAP)
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Alizadeh P, Parini C, Rajab KZ (2016). A Ka-band reflectarray with variable amplitude unit cells. nameOfConference
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Alizadeh P, Parini C, Rajab KZ (2015). A low-cost FMCW radar front end for imaging at 24 GHz to 33 GHz. nameOfConference
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Nagarkoti DS, Hao Y, Steenson DP et al. (2015). Design of Broadband Non-Foster Circuits Based on Resonant Tunneling Diodes. nameOfConference
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Nagarkoti DS, Alizadeh P, Hao Y et al. (2015). Stability analysis of resonant tunnelling diode for resistive matching of an electrically small antenna. nameOfConference
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Yang L, Chew E, Rajab KZ (2015). Logistic modeling of note transitions. nameOfConference
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Nagarkoti DS, Rajab KZ, Hao Y (2014). Design and stability of negative impedance circuits for non-foster matching of a monopole antenna. nameOfConference
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Fan Y, Rajab KZ, Hao Y (2013). Noise power in active broadband metamaterials. nameOfConference
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YANG L, Chew E, Rajab SAYID-KHALID (2013). Vibrato Performance Style: A Case Study Comparing Erhu and Violin. the 10th International Conference on Computer Music Multidisciplinary Research
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Fan Y, Rajab KZ, Hao Y (2013). Noise analysis of broadband active metamaterials with non-Foster loads. nameOfConference
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Bao D, Mitchell-Thomas RC, Rajab KZ et al. (2013). Quantitative Study of Two Experimental Demonstrations of a Carpet Cloak. nameOfConference
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Rajab KZ, Fan YF, Hao Y (2012). Characterization of active metamaterials based on negative impedance converters. nameOfConference
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Fan Y, Rajab KZ, Munoz M et al. (2012). Electrically small half-loop antenna design with non-foster matching networks. nameOfConference
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Bao D, Rajab KZ, Tang W et al. (2012). Experimental demonstration of carpet cloak realized with BaTiO 3-loaded polyurethane foam. nameOfConference
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Katsounaros A, Mann M, Naftaly M et al. (2012). Terahertz time-domain spectroscopy characterisation of vertically aligned carbon nanotube films. nameOfConference
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Katsounaros A, Rajab KZ, Hao Y et al. (2011). X-band characterization of multi-walled carbon nanotube films. nameOfConference
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Bao D, Rajab KZ, Hao Y et al. (2011). All-dielectric invisibility cloaks made of BaTiO3-loaded polyurethane foam. nameOfConference
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Rajab KZ, Fan Y, Bao D et al. (2011). Active circuits for improved metamaterial performance. nameOfConference
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Katsounaros A, Rajab KZ, Hao Y et al. (2011). Microwave characterization of vertically aligned multiwalled carbon nanotube arrays. nameOfConference
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Bao D, Rajab KZ, Tang WX et al. (2010). Experimental demonstration of broadband transmission through subwavelength aperture. nameOfConference
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Rajab KZ, Hao Y, Bao D et al. (2010). Stability of active magnetoinductive metamaterials. nameOfConference
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Rajab KZ, Hao Y, Bao D et al. (2010). Broadband Active Magnetic Materials. nameOfConference
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Feteira A, Sinclair DC, Rajab KZ et al. (2008). Crystal structure and microwave dielectric properties of alkaline-earth hafnates, AHfO(3) (A = Ba, Sr, Ca). nameOfConference
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Rajab KZ, Naftaly M, Linfield EH et al. (2008). Broadband dielectric characterization of aluminum oxide (Al
2 O3 ). nameOfConference -
Lanagan MT, Rajab K, Kwon DK et al. (2008). Ceramic Dielectric Materials for Microwave Resonator Arrays. nameOfConference
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Rajab KZ, Mittra R, Naftaly M et al. (2007). Terahertz transmission through periodic arrays of dielectric and conducting spheres. nameOfConference
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Rajab KZ, Mittra R, Lanagan MT (2007). Size reduction of microstrip patch antennas with left-handed transmission line loading. nameOfConference
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Bringuier J, Mittra R, Rajab K et al. (2006). Size reduction of microstrip patch antennas via artificial dielectric loading. nameOfConference
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Rajab KZ, Mittra R, Lanagan M (2006). Phase verification of compact multilayered low temperature co-fired ceramic composite right-/left-handed transmission line. nameOfConference
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Iwasaki M, Semouchkina EA, Semouchkin GB et al. (2006). Symmetry matching of hybrid modes for dielectric metamaterials. nameOfConference
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Mittra P, Bringuier J, Abdel-Mageed M et al. (2006). Some novel techniques for size reduction of microstrip patch antennas. nameOfConference
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Rajab KZ, Fuh KF, Mittra R et al. (2005). Dielectric property measurement using a resonant nonradiative-dielectric waveguide structure. nameOfConference
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Baker A, Lanagan M, Randall C et al. (2005). Integration concepts for the fabrication of LTCC structures. nameOfConference
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Mittra R, Bringuier J, Abdel-Mageed M et al. (2005). Some novel techniques for size reduction of microstrip patch antennas. nameOfConference