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DTSTART:20380119T061407
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DTSTAMP:20170323T133657Z
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DTSTART;TZID=Turkey:20170317T160000
DTEND;TZID=Turkey:20170317T180000
DESCRIPTION:Speaker: Assist. Prof. Hüseyin Arda Ülkü\, Gebze Technical U
 niversity\n\nTopic: "Quantum Corrected Plasmonic Field Analysis using Time
  Domain Surface Integral Equation Solvers"\n\nLocation: Middle East Techni
 cal University\, Ankara\, Turkey\n\nAbstract: When two structures are with
 in sub-nanometer distance of each other\, quantum tunneling effect becomes
  relevant. These effects cannot be accurately modeled by classical electro
 magnetic solvers. In this study\, an auxiliary tunnel that connects the st
 ructures is introduced to model the quantum tunneling effect. The quantum 
 model of the tunnel is obtained using density functional theory (DFT) comp
 utations\, which account for the atomic structure of materials. The plasmo
 nic fields on the resulting connected structure are analyzed using a time 
 domain surface integral equation solver. Time domain samples of the disper
 sive medium Green function and the dielectric permittivities are computed 
 from the analytical inverse Fourier transform applied to the rational func
 tion representation of their frequency domain samples. Numerical results\,
  which demonstrate the effect of the quantum correction on the transient e
 lectromagnetic interactions\, will be presented.\n\nBio: Hüseyin Arda Ül
 kü received the B.S.\, M.S.\, and Ph.D. degrees in Electronics Engineerin
 g from Gebze Technical University (GTU)\, Kocaeli\, Turkey\, in 2006\, 200
 8\, and 2011\, respectively. Between 2007 and 2016\, he was a Research and
  Teaching Assistant with the Electromagnetic Fields and Microwave Division
 \, Department of Electronics Engineering\, GTU\, where he is an Assistant 
 Professor since 2016. Between 2011 and 2015\, he was a Postdoctoral Fellow
  with the Division of Computer\, Electrical\, and Mathematical Sciences an
 d Engineering (CEMSE)\, King Abdullah University of Science and Technology
  (KAUST)\, Thuwal\, Saudi Arabia. His research interests include the field
  of computational electromagnetics with a focus on time-domain integral eq
 uations.\n\nCo-sponsored by: Ozgur Ergul\n\nSpeaker(s): Asst. Prof. Huseyi
 n Arda Ulku\, \n\nAnkara\, Ankara\, Türkiye
LOCATION:Ankara\, Ankara\, Türkiye
ORGANIZER:ozergul@metu.edu.tr
SEQUENCE:0
SUMMARY:[Legacy Report] IEEE AP/MTT/EMC/ED TURKEY CHAPTER SEMINAR SERIES --
  SEMINAR 4
URL;VALUE=URI:https://events.vtools.ieee.org/m/147863
X-ALT-DESC:Description: <br /><p>Speaker: Assist. Prof. H&uuml\;seyin Arda 
 &Uuml\;lk&uuml\;\, Gebze Technical University</p>\n<p>Topic: "<span class=
 "s1">Quantum Corrected Plasmonic Field Analysis using Time Domain Surface 
 Integral Equation Solvers"</span></p>\n<p>Location: Middle East Technical 
 University\, Ankara\, Turkey</p>\n<p>Abstract:&nbsp\;When two structures a
 re within sub-nanometer distance of each other\, quantum tunneling effect 
 becomes relevant. These effects cannot be accurately modeled by classical 
 electromagnetic solvers. In this study\, an auxiliary tunnel that connects
  the structures is introduced to model the quantum tunneling effect. The q
 uantum model of the tunnel is obtained using density functional theory (DF
 T) computations\, which account for the atomic structure of materials. The
  plasmonic fields on the resulting connected structure are analyzed using 
 a time domain surface integral equation solver. Time domain samples of the
  dispersive medium Green function and the dielectric permittivities are co
 mputed from the analytical inverse Fourier transform applied to the ration
 al function representation of their frequency domain samples. Numerical re
 sults\, which demonstrate the effect of the quantum correction on the tran
 sient electromagnetic interactions\, will be presented.</p>\n<p>Bio: H&uum
 l\;seyin Arda &Uuml\;lk&uuml\; received the B.S.\, M.S.\, and Ph.D. degree
 s in Electronics Engineering from Gebze Technical University (GTU)\, Kocae
 li\, Turkey\, in 2006\, 2008\, and 2011\, respectively. Between 2007 and 2
 016\, he was a Research and Teaching Assistant with the Electromagnetic Fi
 elds and Microwave Division\, Department of Electronics Engineering\, GTU\
 , where he is an Assistant Professor since 2016. Between 2011 and 2015\, h
 e was a Postdoctoral Fellow with the Division of Computer\, Electrical\, a
 nd Mathematical Sciences and Engineering (CEMSE)\, King Abdullah Universit
 y of Science and Technology (KAUST)\, Thuwal\, Saudi Arabia. His research 
 interests include the field of computational electromagnetics with a focus
  on time-domain integral equations.</p>
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