Vasily Astratov

Associate Professor
Office: 332 Grigg Hall 
Phone: (704) 687-8131 
astratov@uncc.edu

 

 

Microcavities and Mesoscopic Systems Lab

Group members

Introduction

Goals and Activities

Project Highlights


Research Areas

Novel structures and materials: microcavities and photonic crystals, coupled resonator optical waveguides, opals.

Quantum optics: light-matter interaction, optical coupling between high-Q cavities, localization of light, polaritons.

Optoelectronics applications: integrated optical circuits, delay lines, switches and spectrometers on a chip.


Education

Ph.D., Physics, A. F. Ioffe Physical-Technical Institute of the Russian Academy of Sciences, St.-Petersburg, Russia (1986)

Diploma in Physics, corresponds to B.Sc.&M.Sc. in Physics, Dep. of Physics, St.-Petersburg State University, Russia (1981)


Professional Experience

· Associate Professor, Department of Physics and Optical Science, University of North Carolina at Charlotte (2007-present)

· Assistant Professor, Department of Physics and Optical Science, University of North Carolina at Charlotte (2002-2007)

· Postdoctoral Research Fellow, Department of Physics and Astronomy, University of Sheffield, UK (1997-2001)

· Senior Member of Research Staff (1997) and Member of Research Staff (1981-1997)

  Leader of the group pioneered studies of synthetic opals (1993-1997)

  Department of Solid State Optics, A.F. Ioffe Physico-Technical Institute, St. Petersburg, Russia

· Docent (part time), Department of Industrial Electronics, North-West State Technical University, St.-Petersburg, Russia (1992-1997)


Honors and Awards

Senior Visiting EPSRC Fellow Award in the UK, University of Sheffield, April-July 2006

Award of Royal Society and Russian Academy of Sciences, Program of Exchange Visits, Oct.-Dec. 1996

Award in the Annual Competition of the Division of Solid State Physics, A.F. Ioffe Physical-Technical Institute 1993

First Prize in the Annual Competition, A.F. Ioffe Physical-Technical Institute 1985


Service

International journal Optics Express, Associate Editor, 2005-present

OECC 2008 subcommittee Frontiers in Photonics, deputy chair

CLEO/QELS 2006 and 2007 subcommittee Fundamentals of Metamaterials, Periodic and Random Media, member and alternate chair

ICTON’07 Special session Microresonators and Photonic Molecules program committee member

Gordon-type Workshop on Physics of Microresonators, organizer, Charlotte, 2007

National Science Foundation Review Panel: Unsolicited Proposals in Photonics/Optics (ECS/EPDT), 2004 and 2006

International Expert Panel on Priority DFG Program Photonic Crystals in Germany, 2000-2005

Frequent Reviewer for Applied Physics Letters, Advanced Materials, Physical Review B, IEEE J. of Quantum Electron., Langmuir, et al.


Publications

Journal Articles (61)

Referred Conference Proceedings (15)

Patents (8)


Current Courses

· OPTI 6105/8105: Optical Properties of Materials I

· OPTI 6102/8102: Light Sources and Detectors

· Physics 2102: Physics for Science and Engineering II


Download Vasily’s vitae

Invited Talks at the Conferences (12)

Conference Presentations (31)

Invited Seminars (34)

Research Grants

Research Visits

Brief Biography

Graduate Students

Collaborations

Memberships


Recent Publications

· Wispering Gallery Resonances in Semiconductor Micropillars

  V.N. Astratov, S. Yang, S. Lam, B.D. Jones, D. Sanvitto, D.M. Whittaker, A.M. Fox, M.S. Skolnick, A. Tahraoui, P. W. Fry, and M. Hopkinson, Appl. Phys. Lett. 91, 171115 (2007)

· Observation of Nanojet-Induced Modes with Small Propagation Losses in Chains of Coupled Spherical Cavities

A.M. Kapitonov and V.N. Astratov, Opt. Lett. 32, 409-411 (2007).

· The Effects of Inter-Cavity Separation on Optical Coupling in Dielectric Bispheres

S.P. Ashili, V.N. Astratov, and E.C.H. Sykes, Opt. Express 14, 9460-9466 (2006).

· Optical Coupling at a Distance Between Detuned Spherical Cavities

A.V. Kanaev, V.N. Astratov, and W. Cai, Appl. Phys. Lett. 88, 111111 (2006).

· Optical Coupling and Transport Phenomena in Chains of Spherical Dielectric Microresonators with Size Disorder

   V.N. Astratov, J.P. Franchak, and S.P. Ashili, Appl. Phys. Lett. 85, 5508-5510 (2004).

· Numerical Study of Light Propagation via Whispering Gallery Modes in Microcylinder Coupled Resonator Optical Waveguides

S. Deng, W. Cai, and V.N. Astratov, Opt. Express 12, 6468-6480 (2004).


Highly Cited Publications (Total number of ISI citations is more than 1000)

· Continuous Wave Observation of Massive Polariton Redistribution by Stimulated Scattering in Semiconductor Microcavities
R.M. Stevenson, V.N. Astratov, M.S. Skolnick, D.M. Whittaker, M. Emam-Ismail, A.I. Tartakovskii, P.G. Savvidis, J.J. Baumberg, and J.S. Roberts, Phys. Rev. Lett. 85, 3680-3683 (2000). ISI times cited 157

· Existence of a photonic pseudogap for visible light in synthetic opals

Y.A. Vlasov, V.N. Astratov, O.Z. Karimov, A.A. Kaplyanskii, V.N. Bogomolov, and A.V. Prokofiev, Phys. Rev. B 55, R13357-13360 (1997), ISI times cited 147

· Manifestation of Intrinsic Defects in Optical Properties of Self-Organized Opal Photonic Crystal

Y.A. Vlasov, V.N. Astratov, A.V. Baryshev, A.A. Kaplyanskii, O.Z. Karimov, and M.F. Limonov, Phys. Rev. E 61, 5784-5793 (2000). ISI times cited 114

· Enhancement of optical gain of semiconductors embedded in three-dimensional photonic crystals

Y.A. Vlasov, K. Luterova, I. Pelant, B. Honerlage, and V.N. Astratov, Appl. Phys. Lett., v.71, No.12, pp.1616-1618 (1997), ISI times cited 105

· Optical Spectroscopy of Opal Matrices with CdS Embedded in its Pores: Quantum Confinement and Photonic Band Gap Effects

V.N. Astratov, V.N. Bogomolov, A.A. Kaplyanskii, A.V. Prokofiev, L.A. Samoilovich, S.M. Samoilovich, and Y.A. Vlasov, Nuovo Cimento D 17, 1349-1354 (1995), ISI times cited: 103

· Photonic Band Structure Effects in the Reflectivity of Periodically Patterned Waveguides

V.N. Astratov, D.M. Whittaker, I.S. Culshaw, R.M. Stevenson, M.S. Skolnick, T.F. Krauss, and R.M. DeLaRue, Phys. Rev. B 60, R16255-16258 (1999), ISI times cited 72

· Resonant Coupling of Near-Infrared Radiation to Photonic Band Structure Waveguides

V.N. Astratov, I.S. Culshaw, R.M. Stevenson, D.M. Whittaker, M.S. Skolnick, T.F. Krauss, and R.M. DeLaRue, Resonant Coupling of Near-Infrared Radiation to Photonic Band Structure Waveguides, J. of Lightwave Technology, v.17, 2050-2057 (1999), ISI times cited 43

· Photonic Band Gaps in 3D Ordered FCC Silica Matrices

V.N. Astratov, Y.A. Vlasov, O.Z. Karimov, A.A. Kaplyanskii, Yu.G. Musikin, N.A. Bert, V.N. Bogomolov, and A.V. Prokofiev, Physics Letters A 222, 349-353 (1996). ISI times cited: 44

· Heavy Photon Dispersions in Photonic Crystal Waveguides

V.N. Astratov, R.M. Stevenson, I.S. Culshaw, D.M. Whittaker, M.S. Skolnick, T.F. Krauss, and R.M. De La Rue, Appl. Phys. Lett. 77, 178-180 (2000), ISI times cited 42

· Interplay of Order and Disorder in the Optical Properties of Opal Photonic Crystals

V.N. Astratov, A.M. Adawi, S. Fricker, M.S. Skolnick, D.M. Whittaker, and P.N. Pusey, Phys. Rev. B 66, art.165215 (2002). ISI times cited 37


Photonic & Sonic Band-Gap Bibliography

Photonic Band Gap Links

Pictures of opals

Pictures of St.-Petersburg

 

Last update July, 2007