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Nanotechnology & Multiscale Systems Research

Nanotechnology Graduate Program

Dr. Chang-Hwan Choi

Dr. EH Yang

Dr. Frank T. Fisher

Dr. Kishore Pochiraju

Dr. Souran P. Manoochehri

Dr. Stefan Strauf

Dr. Yong Shi

Stefan Strauf

Personal Webpage
Stefan Strauf

Associate Professor



Schaefer School of Engineering & Science



Physics and Engineering Physics



Nanotechnology / Physics


724 Burchard






The Innovation University TM
PEP 503
PEP 209
PEP 509
NANO 600
EE 509
PEP 221
PEP 740
PEP 222
NANO 525
PEP 211
Research & Education

My research interests are in experimental nanophotonics and nanoelectronics with a particular focus on nanostructured devices scaled down to the ultimate quantum limit where one can control and manipulate individual electrons, excitons, or photons.

The approach utilizes nanostructures made from semiconductor quantum dots, photonic crystals, carbon nanotubes, and graphene. These nanostructures are ideal testbeds for fundamental aspect of light-matter interaction and quantum electrodynamic phenomena of electrons and photons and they address device applications in quantum photonics, optoelectronics, sensing, and information processing.

For more information please visit the nanophotonics lab web page.



2003-2006 Postdoctoral Researcher, University of California at Santa Barbara, CA, USA, Materials Department (Petroff group), Physics Department (Bouwmeester group)

2002 Postdoctoral Researcher, Institute of Solid-State Physics (IFP), University of Bremen, Germany

1998-2001 Ph.D. Physics, University of Bremen, Germany

1996-1997 M.Sc. Physics, University of Bremen, Germany


Achievements & Professional Societies
Honors & Awards
  • 2011 NSF CAREER award

  • 2011 Invited Lange Lecturer, Materials Department, UC Santa Barbara

  • 2011 Provost Award “In recognition of outstanding achievements in research and scholarship”

  • 2008 Harvey N. Davies Memorial Award for Research Excellence, Stevens Institute of Technology (one award per year)
  • 2003-2004, Postdoctoral fellowship, 18 month, Max-Kade Foundation, NYC, USA. Granted proposal: "Quantum dots in microcavities for efficient single photon generation"

  • 2002, Postdoctoral fellowship, 12 month, Institute of Solid-State Physics, University of Bremen, Germany
  • Summa Cum Laude Honor (2002) University of Bremen, Germany
Professional Societies
  • Member, Optical Society of America (OSA)

  • Member, Amercian Physical Society (APS)

  • Member, Deutsche Physikalische Gesellschaft (DPG)

Selected Publications

  • K. Kumar, O. Sul, S. Strauf, D.S. Choi, F. Fisher, M.G. Prasad, and E.H. Yang. (Jul 2011). "A Study on Carbon-Nanotube Local Oxidation Lithography Using an Atomic Force Microscope", IEEE Transactions on Nanotechnology, 10 (4), 849-854.

  • M. Begliarbekov, O. Sul, J. Santanello, N. Ai, Z. Zhang, EH Yang, and S. Strauf. (2011). "Localized States and Resultant Band Bending in Graphene Antidot Superlattices", Nanoletters, 11, 1254.

  • N. Ai, W. Walden-Newman, Q. Song, S. Kalliakos, and S. Strauf. (2011). "Suppression of Blinking and Enhanced Light Emission from Individual Carbon Nanotubes", ACS Nano, 5, 102885.

  • S. Strauf. (2011). "Lasing Woodpiles ", Nature Photonics, 5, 72.

  • M. Begliarbekov, S. Strauf, and C.P. Search. (2011). "Quantum Inductance and High Frequency Oscillators in Graphene Nanoribbons", Nanotechnology, 11, 165203.

  • S. Strauf. (2010). "Quantum Optics: Towards efficient quantum sources", Nature Photonics, 4, 132.

  • S. Strauf. (2010). "Cavity-QED: Lasing under strong coupling", Nature Physics, 6, 244.

  • M. Begliarbekov, O. Sul, N. Ai, E. H. Yang, S. Strauf. (Oct 2010). "Aperiodic conductivity oscillations in quasi-ballistic graphene heterojunctions", Appl. Phys. Lett., 97, 122106.

  • M. Begliarbekov, O. Sul, S. Kalliakos, E. H. Yang, S. Strauf. (2010). "Determination of Edge Purity in Bilayer Graphene Using micro-Raman Spectrosopy", Appl. Phys. Lett., 97, 031908.

  • N. Ai, O. Sul, M. Begliarbekov, Q. Song, K. Kumar, D. S. Choi, E. H. Yang, S. Strauf. (2010). "Transconductance and Coulomb blockade properties of in-plane grown carbon nanotube field effect transistors", Nanosci. Nanotechnol. Lett. , 2, 73-78.

  • K. Kumar, S. Strauf, and E.H. Yang. (2010). "A Systematic Study of Graphite Local Oxidation Lithography Parameters Using an Atomic Force Microscope", Nanosci. Nanotechnol. Lett., 2, 185-188.

  • J.-S. Choi, M. T. Rakher, K. Hennessy, S. Strauf, A. Badolato, P. M. Petroff, E. Hu, D. Bouwmeester. (2007). "Evolution of the onset of coherence in a family of photonic crystal nanolasers", Appl. Phys. Lett., 91, 031108 .  APL-Link  .

  • S. Strauf, N.G. Stoltz, M.T. Rakher, L.A. Coldren, P.M. Petroff, and D. Bouwmeester. (2007). "High frequency single photon source with polarization control", Nature Photonics, 1, 704.  NPhoton-Link  .

  • S. Strauf, K. Hennessy, M.T. Rakher, Y.-S. Choi, A. Badolato, L. C. Andreani, E. L. Hu, P. M. Petroff, and D. Bouwmeester. (2006). "Self-tuned quantum dot gain in photonic crystal laser", Phys. Rev. Lett., 96, 127404.  PRL-Link  .

  • S. Strauf, M. T. Rakher, I. Carmeli, K. Hennessy, C. Meier, A. Badolato, M.J.A. DeDood, E. G. Gwinn, P. M. Petroff, E. L. Hu, and D. Bouwmeester. (2006). "Frequency control of photonic-crystal membrane resonators by mono-layer deposition", Appl. Phys. Lett., 88, 043116.  APL-Link  .

  • B. D. Gerardot, S. Strauf, M. J. A. DeDood, A. Bychkov, A. Badolato, K. Hennessy, E. L. Hu, D. Bouwmeester and P. M. Petroff. (2005). "Photon Statistics from Coupled Quantum Dots", Phys. Rev. Lett., 95, 137403.  PRL-Link  .

  • N. G. Stoltz, M. T. Rakher, S. Strauf, A. Badolato, D. D. Loftgreen, P. M. Petroff, L. A. Coldren, and D. Bouwmeester. (2005). "High-Q optical microcavities using oxid apertured micropillars", Appl. Phys. Lett., 87, 031105.  APL-Link  .

  • S. M. Ulrich, S. Strauf, P. Michler, G. Bacher, and A. Forchel. (2003). "Triggered polarization-correlated photon pairs from a single CdSe quantum dot", Appl. Phys. Lett., 83, 1848.  APL-Link  .

  • S. Strauf, P. Michler, M. Klude, D. Hommel, G. Bacher, and A. Forchel. (2002). "Quantum Optical Studies on Individual Acceptor Bound Excitons in a Semiconductor", Phys. Rev. Lett., 89, 177403.  PRL-Link  .

  • Conference Proceedings

  • N. Ai, Y.T. Tsai, Q. Song, E.H. Yang, D.S. Choi and S. Strauf. (2009). "Electro-optical Characterization of Individual Multiwall Carbon Nanotubes", SPIE Defense and Security Symposium, Micro- and Nanotechnology Sensors, Systems, and Applications, Orlando, FL. Proc. of SPIE. 7318, 73180Z.

  • E. H Yang, S. Strauf, F. Fisher and D. S. Choi. (2009). "Carbon-based Nano Devices for Sensors, Actuators and Electronics", Invited Paper, SPIE Defense and Security Symposium, Micro- and Nanotechnology Sensors, Systems, and Applications, Orlando, FL. Proc. of SPIE. 7318, 731813.