Office: SA-218

Phone: +90 312 290 26 73

eMail: buyukdagli[at]fen.bilkent.edu.tr

Asst. Prof., Ph.D.: Statistical Mechanics, University Joseph Fourier, 2007

Web Site

Statistical physics of charged and polar liquids, ion channels, electrostatics of polymer translocation, statistical physics of DNA melting, critical phenomena, biophysical modelling.

Selected Publications

• S. Buyukdagli, “Electrostatic interactions in charged nanoslits within an explicit solvent theory”, Journal of Physics : Condensed Matter 27, 455101 (2015).
• S. Buyukdagli, “Dielectric anisotropy in polar solvents under external fields”, Journal of Statistical Mechanics P08022 (2015).
• S. Buyukdagli, Ralf Blossey, and T. Ala-Nissila, “Ionic current inversion in pressure-driven polymer translocation through nanopores”,  Physical Review Letters 114, 088303 (2015).
• S. Buyukdagli and T. Ala-Nissila, “Controlling electrophoretic polymer translocation via charge correlations”, Langmuir 30, 12907 (2014).
• S. Buyukdagli and Ralf Blossey, “Dipolar correlations in structured solvents under nanoconfinement”, Journal of Chemical Physics 140, 234903 (2014).
• S. Buyukdagli and Ralf Blossey, “On the Continuum Theory of Structured Coulomb Fluids”, Journal of Physics : Condensed Matter 26, 285101 (2014).
• S. Buyukdagli and T. Ala-Nissila, “Electrostatic correlations on the ionic selectivity of cylindrical membrane nanopores”, Journal of Chemical Physics 140, 064701 (2014).
•  S. Buyukdagli and T. Ala-Nissila, “Alteration of gas phase ion polarizabilities upon hydration in high dielectric liquids”, Journal of Chemical Physics 139, 044907 (2013).
• S. Buyukdagli and T. Ala-Nissila, “Microscopic formulation of non-local electrostatics in polar liquids embedding polarizable ions”, Physical Review E 87, 063201 (2013).
• S. Buyukdagli, C.V. Achim, and T. Ala-Nissila, “Electrostatic correlations in inhomogeneous charged fluids beyond loop expansion”, Journal of Chemical Physics 137, 104902 (2012).
• S. Buyukdagli and T. Ala-Nissila, “Dipolar depletion effect on the differential capacitance of carbon based materials”, Europhysics Letters 98, 60003 (2012).
• S. Buyukdagli and T. Ala-Nissila, “Excluded volume effects in macromolecular forces and ion-interface interactions”, Journal of Chemical Physics 136, 074901 (2012).

Office: SA-220

Phone: +90 312 290 2511

eMail: bulutay[at]fen.bilkent.edu.tr

Associate Professor, Ph.D.: Electrical and Electronics Engineering, Middle East Technical University, 1997

Web Site

Theoretical semiconductor physics, semiconductor quantum optics and nano-NMR

Selected Publications

• C. Bulutay, E. A. Chekhovich and A. I. Tartakovskii, “Nuclear magnetic resonance inverse spectra of InGaAs quantum dots: Atomistic level structural information,” Physical Review B, vol. 90, pp. 205425-1–16 (2014)
• Ü. Keleş, B. Liedke, K-H. Heinig, and C. Bulutay, “Networks of silicon nanowires: A large-scale atomistic electronic structure analysis,” Applied Physics Letters, vol. 103, pp. 203103-1–5 (2013)
• A. Hoegele, M. Kroner, C. Latta, M. Claassen, I. Carusotto, C. Bulutay, and A. Imamoglu, “Dynamic Nuclear Spin Polarization in the Resonant Laser Excitation of an InGaAs Quantum Dot,” Physical Review Letters, vol. 108, pp. 197403-1–5 (2012)
• C. Bulutay, “Quadrupolar spectra of nuclear spins in strained InxGa1-xAs quantum dots,” Physical Review B, vol. 85, pp. 115313-1–12 (2012)

Office: UNAM-205

Phone: +90 312 290 2513 or 3501

eMail: mb[at]fen.bilkent.edu.tr

Professor, Ph.D.: Physics, Bilkent University, 2002

Web Site

Microstructured fibers and fiber devices, photonic band gap materials, left-handed metamaterials, materials for infrared optics, synthetic optoelectronic devices, nonlinearity in amorphous semiconductors, nanophotonics, fiber based sensors.

Selected Publications

• Tailoring self-organized nanostructured morphologies in kilometer-long polymer fiber
  T. Khudiyev, O. Tobail, and Mehmet Bayindir
  Nature Scientific Reports, volume 4, article number  4864  (2014)
• Biomimicry of multifunctional nanostructures in the neck feathers of mallard (Anas platyrhynchos L.) drakes 
  T. Khudiyev, T. Dogan, and Mehmet Bayindir
  Nature Scientific Reports, volume 4, article number 4718  (2014) 
• Non-resonant Mie scattering: Emergent optical properties of core-shell polymer nanowires 
  T. Khudiyev, E. Huseyinoglu, and Mehmet Bayindir
  Nature Scientific Reports, volume 4,  article number 4607 (2014) 
• Surface textured polymer fibers for microfluidics
  A. Yildirim, M. Yunusa, F. E. Ozturk, M. Kanik, and Mehmet Bayindir
  Advanced Functional Materials, DOI: 10.1002/adfm.201400494  (2014)
• A new route of fabricating on-chip chalcogenide microcavity resonator array
  O. Aktas, E. Ozgur, O. Tobail, M. Kanik, E. Huseyinoglu, and Mehmet Bayindir
  Advanced Optical Materials, DOI: 10.1002/adom.201400072  (2014)
• Extremely fast and highly selective detection of nitroaromatic explosive vapours by fluorescent polymer thin film
  G. B. Demirel, B. Daglar, and Mehmet Bayindir
  Chemical Communications, volume 49, page 6140 (2013) 
• Macroscopic assembly of indefinitely long and parallel nanowires into large area photodetection circuitry
  E. Ozgur, O. Aktas, M. Kanik, M. Yaman, and Mehmet Bayindir
  Nano Letters, volume 12, page 2483 (2012) 
• Arrays of indefinitely-long, uniform nanowires and nanotubes
  M. Yaman, T. Khudiyev, E. Ozgur, M. Kanik, O. Aktas, E. O. Ozgur, H. Deniz, E. Korkut, Mehmet Bayindir
  Nature Materials, volume 10, page 494 (2011) 

Office: ARL-101

Phone: +90 312 290 8077

eMail: aydinli[at]fen.bilkent.edu.tr

Professor, Ph.D.: Condensed Matter Physics, University of Virginia, 1981

Web Site

Plasmonic cavities, plasmon-exciton interactions, plasmonic lasers, high power semiconductor lasers, quantum cascade lasers, blue LEDs, semiconductor nanocrystals and nanocrystal networks.

Selected Publications

• E. Karademir, S. Balci, C. Kocabas and A. Aydinli “Plexcitonic crystals: a tunable platform for light matter interactions” Optics Express, 22(18) 21912 (2014)
• E. Karademir, S. Balci, C. Kocabas, and A. Aydinli “Plasmonic Band Gap Engineering of Plasmon-Exciton Coupling” OPTICS LETTERS, 39(19) (2014) 5697
• S. Balci, E.Karademir, C. Kocabas, and A. Aydinli “ Absorption enhancement of molecules in the weak plasmon–exciton coupling regime” OPTICS LETTERS, 39(17) 4994 ( 2014)
• O. Salihoglu, A. Muti, K. Kutluer, T. Tansel, R. Turan, A. Aydinli, “Skin-like self-assembled monolayers on InAs/GaSb superlattice photodetectors”, Journal of Physics D-Applied Physics, 45(36), 365102 (2012)
• O. Salihoglu, A. Muti, K. Kutluer, T. Tansel, R. Turan, Y. Ergun, A. Aydinli, “”N” structure for type-II superlattice photodetectors”, Applied Physics Letters, 101 (7), 073505 (2012)
• T. Tansel, K. Kutluer, O. Salihoglu, A. Aydinli, B. Aslan, B. Arikan, MC. Kilinc, Y. Ergun, U. Serincan, R. Turan, “Effect of the Passivation Layer on the Noise Characteristics of Mid-Wave-Infrared InAs/GaSb Superlattice Photodiodes”,IEEE Photonics Technology Letters, 24(9), pp. 790-792 (2012)
• O. Salihoglu, A. Muti, K. Kutluer, T. Tansel, R. Turan, C. Kocabas, A. Aydinli, “Atomic layer deposited Al2O3 passivation of type II InAs/GaSb superlattice photodetectors”, Journal of Applied Physics, 111(7), 074509 (2012)
• O. Salihoglu, M. Hostut, T. Tansel, K. Kutluer, A. Kilic, M. Alyoruk, C. Sevik, R. Turan, Y. Ergun, A. Aydinli, “Electronic and Optical Properties of 4.2 µm“N” Structured Superlattice MWIR Photodetectors”, Infrared Phys. and Technol. 29, 36-40 (2012).
• O. Salihoglu, A. Muti, K. Kutluer, T. Tansel, R. Turan, C. Kocabas, A. Aydınlı, “Passivation of type II InAs/GaSb superlattice photodetectors with atomic layer deposited Al2O3. Proc. SPIE Vol. 83532 83530Z-1 (2012).SPIE
• Omer Salihoglu, Abdullah Muti, Atilla Aydinli, “A Comparative Dark Current Study for InAs/GaSb pin Superlattice Photodetectors”, IEEE JQE 49(8) (2013) 661.

Department Chairperson

Phone: +90 312 290 1207, 1924, +90 312 266 4397

Office: ARL-Z04

Phone: +90 312 290 8082

eMail: callegari[at]fen.bilkent.edu.tr

Instructor, Ph.D.: Condensed Matter Physics, Brown University, 1976

Group Web Page

Soft Matter (Colloids, Optical Tweezers, Critical Casimir Effect, Brownian Dynamics)

Selected Publications

• “Nonadditivity of critical Casimir forces”
  Sathyanarayana Paladugu*, Agnese Callegari*, Yazgan Tuna*, Lukas Barth, Siegfried Dietrich, Andrea Gambassi, & Giovanni Volpe Nature Commununications 7, 11403, (2016)
  (* equal contributors)
  Featured on: Phys.org, EurekAlert!, Science Daily, Science Newsline, Le Scienze (Italian edition of Scientific American), SISSA News
• “Disorder-mediated crowd control in an active matter system”
  Erçağ Pinçe, Sabareesh K. P. Velu, Agnese Callegari, Parviz Elahi, Sylvain Gigan, Giovanni Volpe & Giorgio Volpe Nature Commununications 7, 10907-1-8, (2016) Featured on: Phys.org, NanoWerk, Science Daily, Nano, EurekAlert!, MyInform.com, UCL News
• “Computational Toolbox for Optical Tweezers in Geometrical Optics”
  Agnese Callegari, Mite Mijalkov, Burak Gököz & Giovanni Volpe J. Opt. Soc. Am. B 32, B11-B19, (2015)
• “Speckle optical tweezers: micromanipulation with random light fields”
  Giorgio Volpe, Lisa Kurz, Agnese Callegari, Giovanni Volpe & Sylvain Gigan Opt. Express 22, 18159-18167, (2014)

Serap Aksu

Office: ARL

Phone: +90 312 290 8076

eMail: otokel[at]bilkent.edu.tr

Assistant Professor, Ph.D.: Applied Physics, Cornell University, 2011

Web Site

Fundamental light-matter interactions, from state-selective laser photolysis dynamics to fundamental photonics; and applying the resulting understanding towards novel micro/nano-fabrication technologies and optical devices.

Office: SA-224

Phone: +90 312 290 1972

eMail: deniz.aybas[at]bilkent.edu.tr

Assistant Professor, Ph.D.: Electrical Engineering, Boston University, 2021

Web Site

Experimental atomic, molecular and optical physics; quantum sensors for precision magnetometry; nuclear magnetic resonance

Selected Publications

• D. Aybas, H. Bekker, J. Blanchard, D. Budker, G. Centers, N. Figueroa, A. Gramolin, D. Kimball, A. Wickenbrock, A. Sushkov, “Quantum sensitivity limits of nuclear magnetic resonance experiments searching for new fundamental physics,” Quantum Science and Technology, vol. 6, 034007 (2021)
• D. Aybas, J. Adam, E. Blumenthal, A. V. Gramolin, D. Johnson, A. Kleyheeg, S. Afach, J. W. Blanchard, G. P. Centers, A. Garcon, M. Engler, N. L. Figueroa, M. Gil Sendra, A. Wickenbrock, M. Lawson, T. Wang, T. Wu, H. Luo, H. Mani, P. Mauskopf, P. W. Graham, S. Rajendran, D. F. Jackson Kimball, D. Budker, A. O. Sushkov, “Search for Axionlike Dark Matter Using Solid-State Nuclear Magnetic Resonance,” Physical Review Letters, vol. 126, 141802 (2021)
• A. V Gramolin, D. Aybas, D. Johnson, J. Adam, A. O Sushkov, “Search for axion-like dark matter with ferromagnets,” Nature Physics, vol. 17, 79–84 (2020)