Dr Rosa Letizia

Lecturer

Research Overview

Rosa Letizia obtained her Ph.D. in numerical modelling of photonic devices from University of Leeds, School of Electronic and Electrical Engineering, in 2009 and the Laurea degree in Electronic Engineering from the Politecnico di Bari, Italy, in 2005.

Her current research interests include:

  • Millimetre wave and Terahertz vacuum electron devices and applications
  • Millimetre wave technology for high data rate wireless communications
  • Novel electromagnetic structures for high-frequency particle accelerators
  • Photonic crystals and metamaterials
  • Computational electromagnetic modelling

Subwavelength mode profile customisation using functional materials
Gratus, J., Kinsler, P., Letizia, R., Boyd, T. 6/09/2017 In: Journal of Physics Communications. 1, 2, 8 p.
Journal article

Backward wave oscillator for high power generation at THz frequencies
Gamzina, D., Li, X., Tang, Y., Huang, X., Zheng, Y., Himes, L., Gonzalez, M., Li, H., Pan, P., Letizia, R., Feng, J., Luhmann Jr., N.C., Paoloni, C. 6/08/2017
Conference paper

71 – 76 GHz Traveling Wave Tube for High Data Rate Satellite Communication
Li, X., Huang, X., Letizia, R., Paoloni, C. 24/04/2017 In: International Vacuum Electronics Conference 2017. IEEE 2 p.
Conference contribution

Fabrication of W-band TWT for 5G small cells backhaul
Andre, F., Kohler, S., Krozer, V., Quang, T.L., Letizia, R., Paoloni, C., Sabaawi, A., Ulisse, G., Zimmerman, R. 24/04/2017 In: International Vacuum Electronics Conference 2017. 2 p.
Conference contribution

Fabrication of the 0.346 THz BWO for Plasma Diagnostic
Feng, J., Tang, Y., Gamzina, D., Li, X., Huang, X., Popovic, B., Himes, L., Barchfeld, R., Li, H., Pan, P., Letizia, R., Paoloni, C., Luhmann Jr., N.C. 24/04/2017 In: IVEC 2017. IEEE
Conference contribution

UV-LIGA Microfabrication of 0.3 THz Double Corrugated Waveguide
Sabaawi, A., Doychinov, V., Mathisen, S., David Paul, S., Letizia, R., Paoloni, C. 24/04/2017 In: International Vacuum Electronics Conference 2017. 2 p.
Conference contribution

Electromagnetic mode profile shaping in waveguides
Gratus, J., Kinsler, P., Letizia, R., Boyd, T. 3/01/2017 In: Applied Physics A. 123, 6 p.
Journal article

Design considerations on complementary split ring resonator-loaded waveguides for Wakefield generation
Sharples, E., Letizia, R. 12/2016 In: IEEE Transactions on Plasma Science. 44, 12, p. 3281-3287. 7 p.
Journal article

A traveling wave tube for 92 - 95 GHz band wireless applications
Paoloni, C., Andre, F., Kohler, S., Krozer, V., Quang, T.L., Letizia, R., Sabaawi, A., Ulisse, G., Zimmerman, R. 25/09/2016
Conference paper

Double corrugated waveguide 0.346 THz BWO with wide beam channel
Paoloni, C., Gamzina, D., Popovic, B., Himes, L., Barchfeld, R., Letizia, R., Tang, Y., Li, H., Waring, R., Zhang, J., Pan, P., Feng, J., Luhmann Jr., N.C. 25/09/2016
Conference paper

Photonic crystal-coupler for sheet beam THz vacuum electron tubes
Letizia, R., Mineo, M., Paoloni, C. 09/2016 In: IEEE Electron Device Letters. 37, 9, p. 1227-1230. 4 p.
Journal article

Electromagnetic mode profile shaping in waveguides
Boyd, T., Kinsler, P., Gratus, J., Letizia, R. 14/08/2016 In: Electromagnetic Theory (EMTS), 2016 URSI International Symposium on. IEEE p. 725-727. 3 p. ISBN: 9781509025039. Electronic ISBN: 9781509025022.
Conference contribution

Customised mode profiles using functional materials
Gratus, J., Kinsler, P., Letizia, R., Boyd, T. 14/07/2016 In: arxiv.org.
Journal article

Millimeter wave wireless system based on point to multipoint transmissions
Paoloni, C., Magne, F., Andre, F., Krozer, V., Letizia, R., Marilier, M., Ramirez, A., Rocchi, M., Vilar, R., Zimmerman, R. 27/06/2016 In: 2016 European Conference on Networks and Communications (EuCNC). 5 p. ISBN: 9781509028948. Electronic ISBN: 9781509028931.
Conference contribution

Electron gun and CVD diamond window for a 346 GHz sheet beam BWO
Popovic, B., Zheng, Y., Himes, L., Gamzina, D., Luhmann Jr., N.C., Paoloni, C., Letizia, R., Feng, J., Tang, Y., Gao, M., Zhang, F., Yue, L., Tang, X., Ting, L. 19/04/2016 In: Proceedings of the 17th IEEE International Vacuum Electronics Conference (IVEC 2016). IEEE ISBN: 9781467392174.
Conference contribution

High energy beam THz backward wave oscillator based on double corrugated waveguide
Zhang, J., Paoloni, C., Letizia, R., Luhmann Jr., N.C., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Feng, J., Li, L., Pan, P., Tang, Y., Zhang, F. 19/04/2016 In: 2016 IEEE International Vacuum Electronics Conference (IVEC). IEEE 2 p. ISBN: 9781467392181. Electronic ISBN: 9781467392174.
Conference contribution

Photonic band gap corrugated slow wave structure for THz sheet-beam vacuum electron devices
Letizia, R., Mineo, M., Paoloni, C. 19/04/2016 In: Proceedings of the 17th IEEE International Vacuum Electronics Conference (IVEC 2016). IEEE 2 p. ISBN: 9781467392174.
Conference contribution

W-band TWTs for new generation high capacity wireless networks
Paoloni, C., Letizia, R., Zimmerman, R., Andre, F., Kohler, S., Krozer, V., Ulisse, G., Magne, F., Ramirez, A., Rocchi, M., Marilier, M., Vilar, R. 19/04/2016 In: 2016 IEEE International Vacuum Electronics Conference (IVEC). IEEE 2 p. ISBN: 9781467392181. Electronic ISBN: 9781467392174.
Conference contribution

THz backward-wave oscillators for plasma diagnostic in nuclear fusion
Paoloni, C., Gamzina, D., Himes, L., Popovic, B., Barchfeld, R., Yue, L., zheng, y., Tang, X., Tang, Y., Pan, P., Li, H., Letizia, R., Mineo, M., Feng, J., Luhmann Jr., N.C. 04/2016 In: IEEE Transactions on Plasma Science. 44, 4, p. 369-376. 8 p.
Journal article

Nanoscale surface roughness effects on THz vacuum electron device performance
Gamzina, D., Himes, L., Barchfeld, R., Popovic, B., Pan, P., Letizia, R., Mineo, M., Feng, J., Paoloni, C., Luhmann Jr., N.C. 01/2016 In: IEEE Transactions on Nanotechnology. 15, 1, p. 85-93. 9 p.
Journal article

Millimeter wave wireless system based on point to multi-point transmissions
Paoloni, C., Andre, F., Rocchi, M., Marilier, M., Letizia, R., Zimmerman, R., Krozer, V., Ramirez, A., Vilar, R. 2016
Conference paper

Photonic bandgap coupler for 346 GHz sheet-beam BWO
Letizia, R., Mineo, M., Paoloni, C. 14/09/2015 In: 2015 8th UK, Europe, China Millimeter Waves and THz Technology Workshop (UCMMT). IEEE 3 p.
Paper

Simulation of 0.346 THz double corrugated waveguide BWO
Malek Abadi, A., Mineo, M., Li, L., Gamzina, D., Popovic, B., Himes, L., Barchfeld, R., Letizia, R., Feng, J., Paoloni, C., Luhmann Jr., N.C. 14/09/2015 In: 2015 8th UK, Europe, China Conference on Millimetre Waves & Terahertz Technology Workshop (UCMMT). IEEE 2 p. ISBN: 9781467374347.
Conference contribution

Electron beam excitation of CSRR loaded waveguide for Cherenkov radiation
Sharples, E., Letizia, R. 1/09/2015 In: Proceedings of SPIE. 9544, 8 p.
Journal article

THz Wakefield radiation generation via dielectric Bragg waveguide
Sharples, E., Letizia, R. 09/2015 In: Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS), 2015 9th International Congress on. IEEE p. 289-291. 3 p.
Paper

Spatially dispersive inhomogeneous dielectric wire media with periodic structure
Gratus, J., McCormack, M., Letizia, R. 30/07/2015 In: Proceedings of PIERS 2015 in Prague, July 6-9, 2015. Cambridge, Mass. : The Electromagnetics Academy p. 675-680. 6 p.
Paper

Nanoscale surface roughness effects on THz vacuum electron device performance
Luhmann Jr., N.C., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Paoloni, C., Letizia, R., Mineo, M., Feng, J., Tang, Y., Gao, M., Pan, P. 27/07/2015 In: Nanotechnology (IEEE-NANO) , 2015 IEEE 15th International Conference on. IEEE p. 55-58. 4 p.
Paper

THz Backward-wave oscillators for plasma diagnostic in nuclear fusion
Paoloni, C., Yue, L., Tang, X., Zhang, F., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Mineo, M., Letizia, R., Luhmann Jr., N.C. 24/05/2015 In: Plasma Sciences (ICOPS), 2015 IEEE International Conference on. IEEE 1 p.
Paper

Magnetic fusion energy plasma diagnostic needs novel THz BWOs
Paoloni, C., Letizia, R., Mineo, M., Malek Abadi, A., Luhmann Jr., N.C., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Yue, L., Tang, X., Feng, J., Tang, Y., Gao, M., Zhang, F. 27/04/2015 In: Vacuum Electronics Conference (IVEC), 2015 IEEE International . IEEE 2 p.
Paper

Design and fabrication of a sheet beam BWO at 346 GHz
Popovic, B., Himes, L., Gamzina, D., Luhmann Jr., N.C., Paoloni, C., Letizia, R., Mineo, M., Malek Abadi, A., Yue, L., Tang, X., Feng, J., Tang, Y., Gao, M., Zhang, F. 04/2015 In: Vacuum Electronics Conference (IVEC), 2015 IEEE International . IEEE p. 1-2. 2 p.
Paper

Photonic crystal-structures for THz vacuum electron devices
Letizia, R., Mineo, M., Paoloni, C. 01/2015 In: IEEE Transactions on Electron Devices. 62, 1, p. 178-183. 6 p.
Journal article

Fast estimate of the SAR using spline interpolation approach for parallel transmit B1 mapping in ultra-high field MRI
Letizia, R., Ye, J., Grover, P., Shah, S. 2015
Working paper

Horizon 2020 TWEETHER project for W-band high data rate wireless communications
Paoloni, C., Letizia, R., Napoli, F., Ni, Q., Rennie, A., Zimmerman, R., Andre, F., Pham, K., Krozer, V., Magne, F., Burciu, I., Ramirez, A., Rocchi, M., Marilier, M., Vilar, R. 2015 In: Vacuum Electronics Conference (IVEC), 2015 IEEE International . IEEE 2 p.
Paper

Optimization studies on CSRR loaded waveguide for particle accelerator applications
Sharples, E., Letizia, R. 2015 In: Abstracts 2015 IEEE International Conference on Plasma Sciences (ICOPS). IEEE 1 p.
Paper

Scenarios and use cases in Tweether: W-band for Internet Everywhere
Paoloni, C., Letizia, R., Ni, Q., Krozer, V., Andre, F., Magne, F., Marilier, M., Zimmerman, R., Ramirez, A., Vilar, R., Burciu, I. 2015
Conference paper

THz BWO based on photonic crystal corrugated waveguide
Letizia, R., Mineo, M., Paoloni, C. 2015
Conference paper

A fast interpolation approach for the calculation of permittivity and conductivity to estimate the SAR
Priyadarshi, S., Pitman, S., Glover, P., Shah, S., Ye, J., Hu, B., Letizia, R. 8/12/2014 In: RF and Wireless Technologies for Biomedical and Healthcare Applications (IMWS-Bio), 2014 IEEE MTT-S International Microwave Workshop Series on. IEEE p. 261-266. 6 p.
Paper

Compact backward wave oscillators for THz imaging systems
Paoloni, C., Yue, L., Tang, X., Zhang, F., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Letizia, R., Mineo, M., Luhmann Jr., N.C. 12/2014
Conference paper

Investigation of CSRR loaded waveguide for accelerator applications
Sharples, E., Letizia, R. 11/2014 In: Journal of Instrumentation. 13 p.
Journal article

THz backward wave oscillator based on PhC-wall corrugated waveguide
Letizia, R., Mineo, M., Paoloni, C. 04/2014 In: 15th IEEE International Vacuum Electronic Conference. Monterey, Calif. : IEEE p. 65-66. 2 p.
Paper

346 GHz BWO for fusion plasma diagnostics
Popovic, B., Barchfeld, R., Tang, X., Zhang, F., Yue, L., Mineo, M., Letizia, R., Paoloni, C., Domier, C.W., Luhmann Jr., N.C. 2014
Conference paper

346 GHz source for plasma diagnostic applications
Barchfeld, R., Popovic, B., Tang, X., Yue, L., Zhang, F., Mineo, M., Letizia, R., Paoloni, C., Domier, C.W., Luhmann Jr., N.C. 2014
Conference paper

Analysis of nitrides- and TCOs-based plasmonic waveguides for slow-wave and negative index sub-wavelength propagation
Letizia, R., Pinto, D. 2014 In: Journal of Lightwave Technology. 32, 8, p. 1578-1584 . 7 p.
Journal article

High power THz vacuum electron devices for space applications
Paoloni, C., Yue, L., Tang, X., Zhang, F., Popovic, B., Himes, L., Barchfeld, R., Gamzina, D., Letizia, R., Mineo, M., Luhmann Jr., N.C. 2014
Conference paper

InSb grating for Smith-Purcell THz radiation
Sharples, E., Letizia, R. 2014
Conference paper

THz Cherenkov radiation from electron beam excitation of surface plasmon polaritons
Letizia, R., Stoja, E. 2014
Conference paper

Wakefield excitation via metasurface-loaded waveguide
Sharples, E., Letizia, R. 2014 In: Proceedings of IPAC2014, Dresden, Germany. Geneva : JACoW p. 1437-1439. 3 p.
Paper

Efficient design of optical delay lines based on slotted-ring resonators
Abujnah, N., Letizia, R., Hameed, M., Obayya, S. 06/2013 In: IET Optoelectronics. 7, 3, p. 63-70. 8 p.
Journal article

Slotted microcavity ring resonators for optical storage applications
Abujnah, N.A., Letizia, R., Hameed, M.F.O., Abdelrazzak, M., Obayya, S. 06/2013 In: Optical and Quantum Electronics. 45, 6, p. 503-515. 13 p.
Journal article

New plasmonic materials based split ring resonators for high frequency applications
Sharples, E., Letizia, R. 2013
Conference paper

Photonic crystals assisted slow wave structure for THz vacuum devices
Letizia, R., Paoloni, C., Mineo, M., Pinto, D. 2013 In: 14th IEEE International Vacuum Electronic Conference. IEEE 2 p.
Paper

Semiconductor-based THz plasmonic metamaterial
Letizia, R. 2013 In: Millimeter Waves and THz Technology Workshop (UCMMT), 2013 6th UK, Europe, China. Piscataway, N.J. : IEEE 2 p.
Paper

Tapered metallic photonic crystal slow wave structure for THz vacuum electron devices
Letizia, R., Mineo, M., Paoloni, C. 2013 In: Millimeter Waves and THz Technology Workshop (UCMMT), 2013 6th UK, Europe, China. Piscataway, N.J. : IEEE 2 p.
Paper

Accurate analysis of plasmonic devices with a new Drude Critical Points MRTD method
Letizia, R., Pinto, D. 2012 In: IEEE Photonics Technology Letters. 24, 18, 4 p.
Letter

Double Negative Metamaterial Inclusions in Photonic Crystal Based Resonant Cavities
Letizia, R., Pinto, D. 2012
Conference paper

Design considerations of microcavity ring resonators
Abujnah, N., Letizia, R., Obayya, S.S.A. 08/2011 In: IET Optoelectronics. 5, 4, p. 158-164. 7 p.
Journal article

Design of a compact photonic crystal sensor
Derbali, J., AbdelMalek, F., Obayya, S.S.A., Bouchriha, H., Letizia, R. 07/2011 In: Optical and Quantum Electronics. 42, 8, p. 463-472. 10 p.
Journal article

Efficient Second Harmonic Generation Through Selective Photonic Crystal-Microcavity Coupling
Letizia, R., Obayya, S.S.A. 1/11/2009 In: Journal of Lightwave Technology. 27, 21, p. 4763-4772. 10 p.
Journal article

Accurate Multiresolution Time Domain Analysis of Microcavity Ring Resonator
Letizia, R., Obayya, S., Abujnah, N. 07/2009
Conference paper

Dispersive Multiresolution Time Domain for High Second Harmonic Generation Efficiency in One-Dimensional Periodic Grating
Letizia, R., Obayya, S. 07/2009
Conference paper

Multiresolution Time Domain of Dispersive High-index Contrast Grating for Second Harmonic Generation
Letizia, R., Obayya, S. 6/04/2009
Conference paper

Dispersive multiresolution time domain scheme for second harmonic generation devices
Letizia, R., Obayya, S. 04/2009 In: Optical waveguide theory and numerical modeling XVIII International Workshop. Fraunhofer Institute for Applied Optics and Precision Engineering 1 p.
Abstract

Efficient multiresolution time-domain analysis of arbitrarily shaped photonic devices
Letizia, R., Obayya, S.S.A. 12/2008 In: IET Optoelectronics. 2, 6, p. 241-253. 13 p.
Journal article

Multiresolution Time Domain Scheme for Dispersive Second Harmonic Generation Integrated Devices
Letizia, R., Obayya, S. 12/2008
Conference paper

Efficient Multiresolution Time Domain Analysis for Second Harmonic Generation Integrated Devices
Letizia, R., Obayya, S. 06/2008
Conference paper

New Design of Second Harmonic Generation Using Photonic Crystals
Letizia, R., Obayya, S. 03/2008
Conference paper

Novel Multiresolution Time Domain Analysis for Photonic Devices
Letizia, R., Obayya, S. 03/2008
Conference paper

Multiresolution Time Domain analysis of optical guided-wave devices
Obayya, S.S.A., Letizia, R. 2007 In: Computational Electromagnetics in Time-Domain, 2007. CEM-TD 2007. Workshop on. New York : IEEE p. 80-83. 4 p. ISBN: 978-1-4244-1169-6.
Conference contribution