University College London
Oleg Mitrofanov
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Publications


Ultrafast Laser Laboratory

Department of Electronic and Electrical Engineering

Terahertz (THz) waveguides: dielectric-lined cylindrical metallic waveguides

Reducing transmission losses in hollow THz waveguides
O. Mitrofanov, R. James, F.A. Fernandez, T.K. Mavrogordatos, and J. A. Harrington
Terahertz Science and Technology, IEEE Transactions on 1, 124 (2011) PDF IEEE link

Dielectric-lined cylindrical metallic THz waveguides: mode structure and dispersion
O. Mitrofanov and J. A. Harrington
Optics Express 18, 1898 (2010) PDF OSA link

Low-loss modes in hollow metallic terahertz waveguides with dielectric coatings
B. Bowden, J. A. Harrington, and O. Mitrofanov
Appl. Phys. Lett. 93, 181104 (2008) PDF AIP link

Fabrication of terahertz hollow-glass metallic waveguides with inner dielectric coatings
B. Bowden, J. A. Harrington, and O. Mitrofanov
J. Appl. Phys. 104, 093110 (2008). PDF AIP link

Silver/polystyrene-coated hollow glass waveguides for the transmission of terahertz radiation
B. Bowden, J. A. Harrington, and O. Mitrofanov
Opt. Lett. 32, 2945-2947 (2007) PDF OSA link

Terahertz near-field microscopy

Terahertz probe for spectroscopy of sub-wavelength objects
O. Mitrofanov, C. C. Renaud, and A. J. Seeds
Optics Express 20, 6197-6202 (2012) PDF OSA link

Imaging and analysis of THz surface plasmon polariton waves with the integrated sub-wavelength aperture probe
R. Mueckstein, C. Graham, C. C. Renaud, A. J. Seeds, J. A. Harrington, and O. Mitrofanov
Special Issue: Terahertz Near-field Optics, Journal of Infrared, Millimeter and Terahertz Waves 32, 1031 (2011) PDF link

Imaging of terahertz surface plasmon waves excited on a gold surface by a focused beam
R. Mueckstein and O. Mitrofanov
Optics Express 19, 3212 (2011) PDF OSA link

Waveguide mode imaging and dispersion analysis with terahertz near-field microscopy
O. Mitrofanov, T. Tan, P.R. Mark, B. Bowden, and J.A. Harrington
Appl. Phys. Lett. 94, 171104 (2009) PDF AIP link

Terahertz near-field electro-optic probe based on a microresonator
O. Mitrofanov
Appl. Phys. Lett. 88, 091118 (2006). PDF AIP link

Generation of low frequency components due to phase amplitude modulation of subcycle far infrared pulses in near field diffraction
O. Mitrofanov, L. N. Pfeiffer, and K. W. West
Appl. Phys. Lett. 81, 1579 (2002). PDF AIP link

Effect of chirp in diffraction of short electromagnetic pulses through subwavelength apertures
O. Mitrofanov, M. Lee, L. N. Pfeiffer, and K. W. West
Appl. Phys. Lett. 80, 1319 (2002). PDF AIP link

Terahertz pulse propagation through small apertures
O. Mitrofanov, M. Lee, J. W. P. Hsu, L. N. Pfeiffer, K. W. West, J. D. Wynn, and J. F. Federici
Appl. Phys. Lett. 79, 907 (2001). PDF AIP link

Collection mode near-field imaging with 0.5 THz pulses
O. Mitrofanov, M. Lee, J. W. P. Hsu, I. Brener, R. Harel, J. Federici, J. D. Wynn, L. N. Pfeiffer, and K. W. West
IEEE J. Selected Topics in Quantum Electronics 7, 600 (2001) PDF IEEE link

Study of single-cycle pulse propagation inside a terahertz near-field probe
O. Mitrofanov, R. Harel, M. Lee, L. N. Pfeiffer, K. W. West, J. D. Wynn, and J. Federici
Appl. Phys. Lett. 78, 252 (2001). PDF AIP link

Organic electronics: rubrene

Evolution of the surface morphology of rubrene under ambient conditions
R. J. Thompson, B. Yadin, Z. J. Grout, S. Hudziak, C. L. Kloc, O. Mitrofanov, and N. J. Curson
Appl. Phys. Lett. 98, 053302 (2011) PDF AIP link

Role of synthesis for oxygen defect incorporation in crystalline rubrene
O. Mitrofanov, C. Kloc, T. Siegrist, D.V. Lang, W.-Y. So, and A.P. Ramirez
Appl. Phys. Lett. 91, 212106 (2007) PDF AIP link

Mobility-independent doping in crystalline rubrene field-effect transistors
W.-y. So, J.M. Wikberg, D.V. Lang, O. Mitrofanov, C.L. Kloc, T. Siegrist, A.M. Sergent, and A.P. Ramirez
Solid State Comm. 142, 483 (2007). PDF

Oxygen-Related Bandgap State in Single Crystal Rubrene
O. Mitrofanov, D.V. Lang, C. Kloc, M.J. Wikberg, T. Siegrist, W.-Y. So, M.A. Sergent, and A.P. Ramirez
Phys. Rev. Lett. 97, 166601 (2006). PDF APS link


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