NASA Jet Propulsion Laboratory California Institute of Technology JPL Home Earth Solar System Stars & Galaxies Science & Technology Bring the Universe to You JPL Email News RSS Podcast Video
Follow this link to skip to the main content

Home
Research
Opportunities
Community
News and Events
ST icon
Office of the Chief Scientist and Chief Technologist

Profiles

Emmanuel  Decrossas's Picture
Address:
Jet Propulsion Laboratory
M/S T1721
4800 Oak Grove Dr.
Pasadena, CA 91109
Phone:
818.354.8873
Email:

Emmanuel Decrossas
Postdoc

Education
  • Ph.D. 2012 -(GPA: 3.9/4.0) University of Arkansas, Dept. Electrical Engineering; Dissertation title: “High Frequency characterization of carbon nanotube networks for device applications”.

  • M.S. 2006 - (GPA: 14.09/20) Université Pierre et Marie Curie-Paris 6, Dept. Electrical Eng., Paris, France, Thesis title: “Reconfigurable multi-band MEMS antennas for wireless applications.”

  • B.S. 2004 - Université Pierre et Marie Curie-Paris 6, Dept. Eng. Science, Paris, Major in materials science. Minor in electronic, electro technique and automatism.

Research Interests
  • Modeling, optimization, and design of RF/Microwave components such as: low cost miniaturized and tunable microwave filters and antennas for wireless devices.
  • Simulation, design, fabrication and test of microwave devices.
  • RF/microwave measurements and equipment calibration.
  • Numerical analysis and scientific computation for electromagnetic applications using mode matching technique (MMT), method of moment (MoM), finite element method (FEM) and finite difference time domain (FDTD).
  • RF nanotechnology based on carbon nanotubes (CNTs)/graphene.
  • Electrical characterization of nano-materials for integration in electronic components.
  • Thin film characterization using scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscope (AFM).
  • Micro/nano-fabrication technique in clean room environment including photolithography, E-beam lithography process.
  • High Frequency and power distribution networks using LTCC.

Professional Experience
Work Experience
  • May 2012- present: Technical Assistant 1 (post doctoral fellow) at University of Arkansas’ High Density Electronics Center (HIDEC)
    Design, simulation, high frequency measurement and characterization.
    Achievements:
    • Microwave characterization of low temperature co-fired ceramics (LTCC).
    • Development of new design to minimize the losses in power distribution networks (PDN) using LTCC.
    • Design, simulation, fabrication and validation of ultra-wide band transmission feeding lines for high data rate speed and low loss.
    • Assist Auburn University with high frequency design and validation approach in the field of signal and power integrity.

  • 2008-2012: Graduate research Assistant, University of Arkansas, Fayetteville.
    Design, simulation, fabrication and characterization of Carbon Nanotubes/graphene based high frequency devices.
    Achievements:
    • Microwave characterization of nano-powder and carbon nanotubes.
    • CAD tools development based on mode matching technique and optimization techniques to extract the electrical properties of materials under test at microwave frequencies
    • In charge and maintain RF/microwave equipments: help students to realize high frequency measurements using spectrum analyzer, performance network analyzer, power meter and anechoic chamber.
    • Collaborate with HIDEC to achieve and improve high frequency devices, including LTCC microwave measurements and on wafer characterization. The characterization procedure included calibration of lab equipments, measurement of resonance frequency and loss tangent, and extraction of dielectric constant and quality factor.
    • Help and advice several state companies for EMC and antennas measurements.
    • Design, simulate, fabricate in clean room environment and characterize carbon nanotubes based electronic nano-devices (100nm) using photo-lithography and E-beam lithography process to develop CNT/graphene-transistors, IR detectors, photo-switches.

  • 2006: Visiting scholar student at the University of Tennessee, Knoxville
    Achievements:
    • Design, simulations of reconfigurable MEMS multi-band smart antennas for wireless applications.
    • Initiate an international student exchange program with Université Pierre et Marie Curie-Paris 6.

  • 2005: Internship in the Laboratoire de Génie électrique de Paris (LGEP)
    Achievements: Elaborate a microwave bench measurement for biological samples characterization.

  • 2004: Internship in ‘FRANCE TELECOM’ to develop and update the intranet services.
    Achievements: Conduct meetings and interact with employees to evaluate the need and improve the yield of the services.

Professional Memberships
  • Eta Kappa Nu (HKN), electrical and computer engineering honor society, 2008-present
  • IEEE Microwave Theory and Techniques Society, 2009-present.
  • IEEE Photonics Society Membership (formerly IEEE LEOS), 2010-2012.
  • Elected vice president of the Ham Amateur Radio Club (W5YM) at the University of Arkansas in 2011.

Professional Activities
  • 2012-present: Reviewer for IEEE transactions on Terahertz science and technology. Reviewer for ELSEVIER Measurement
  • 2011-present: Reviewer for European Microwave Association (EuMA): International Journal of Microwave and Wireless Technologies.
  • 23-28 May 10: Student volunteer for IEEE-MTT International Microwave Symposium

Selected Awards
2012
  • NASA postdoctoral fellowship at NASA-Jet Propulsion Laboratory
2011
  • Cited in Who’s Who among students in American Universities & College in recognition of outstanding merit and accomplishment as a student at the University of Arkansas, Fayetteville, 2011.
  • Nomination for part-time employee of the year 2011 by staff senate at the University of Arkansas.

Selected Publications
Refereed Papers in Technical Journals
  1. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Mode Matching Technique Based Modeling of Coaxial and Circular Waveguide Discontinuities for Materials Characterization Purposes” Int. Journal Microw. Wireless Technologies, vol. 3, no.6, pp. 679-690, Sept. 2011.
  2. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Rigorous characterization of carbon nanotube complex permittivity over a broadband of RF frequencies,” IEEE Trans. Electromag. Compat., vol. 54, no. 1, pp. 81-87, Feb. 2012.
  3. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Engineered Carbon-nanotube Based Composite Materials for RF Applications,” IEEE Trans. Electromag. Compat., vol. 54, no. 1, pp. 52-59, Feb. 2012.

Refereed Papers in Technical Meetings
  1. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Broadband Characterization of Carbon Nanotube Networks,” IEEE Int. Symp. Electromag. Compat., Fort Lauderdale, FL, 27–30 Jul. 2010, pp.208–211.
  2. E.Decrossas, M.A. EL Sabbagh, H.A. Naseem, V. Fouad Hanna and S.M. El-Ghazaly, “Effective Permittivity Extraction of Dielectric Nano-powder and Nano-composite Materials: Effects of Packing Densities and Mixture Compositions” IEEE European Microw. Week, Manchester, UK, 9-14 Oct. 2011, pp. 956-959.
  3. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Measurement-based Effective Conductivity of Carbon Nanotube Networks for Microwave Design Purposes,” IEEE Int. Microw. Symp., Montreal, Canada, 17-22 Jun. 2012.
  4. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Formulation Based on Percolation Theory to Model the Effective Conductivity of Carbon Nanotube Networks,” in IEEE Int. Symp. Electromag. Compat., Pittsburgh, PA, 5-10 Aug. 2012.
  5. E. Decrossas, M.A. EL Sabbagh, V. Fouad Hanna and S.M. El-Ghazaly, “Carbon Nanotubes for Electromagnetic Compatibility Applications,” in IEEE Int. Symp. Electromag. Compat., Pittsburgh, PA, 5-10 Aug. 2012.
  6. E. Decrossas, A. Elkadi, and S.M. El-Ghazaly, "Carbon Nanotube Based Prototype as THz Time Domain Sources/Detectors," in IEEE Int. IRMMW-THz conference, Wollongong, Australia, 23-28 Sep. 2012.
  7. A. Elkadi, E. Decrossas, S. F. Yu, H. Naseem, and S. El-Ghazaly, "Controlling the Band Gap of Aligned Semiconducting Single-Walled Carbon Nanotubes for THz Modulator," in IEEE European Microw. Week, Amsterdam, Netherland, 28 Oct. - 3 Nov. 2012.
  8. A. Elkadi, E. Decrossas, and S.M. El-Ghazaly, “Fabrication Technique of Highly Dense Aligned Semiconducting Single-Walled Carbon Nanotubes Devices,” in IEEE Photonics conf., Burlingame, CA, 23-27 Sept. 2012.

Book chapters
  1. E. Decrossas, and S.M. El-Ghazaly, “Microwave characterization of carbon nanotube networks” in Carbon Nanotubes – From Research to Applications, Rijeka, Croatia: Intech, 2011, ch. 9, pp. 142-156.

Site Manager:  Brian Knosp
Webmasters:  Cornell Lewis, Maryia Davis

JPL Clearance:  CL#08-4147