Dr. Rohan D. Kekatpure
Applied Photonic Microsystems
Sandia National Laboratories, New Mexico
Research Scientist
Email: rohandk@stanford.edu
Qualifications
2010 Ph.D., Stanford University,
Electrical Engineering
2004 M.Sc., Stanford University,
Electrical Engineering
2002 B.Tech., IIT Bombay, Electrical
Engineering
Publications (Selected)
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R. D. Kekatpure, E. S. Barnard, W. Cai, and
M. L. Brongersma, “Phase-coupled plasmon-induced transparency,” Phys. Rev.
Lett. 104 243902 (2010). (Featured in Virtual Journal of Nanoscale Science and
Technology1)
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R. D. Kekatpure, A. C. Hryciw, E. S. Barnard,
and M. L. Brongersma, “Calculating dielectric and
plasmonic dispersion
relations on a pocket calculator,” Opt. Exp., 17 24112 (2009).
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R. D. Kekatpure and M. L. Brongersma,
“Near-infrared free-carrier absorption in silicon nanocrys-
tals,” Opt. Lett.
34 3397 (2009).
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J. A. Rowlette, R. D. Kekatpure, M. Panzer,
M. Brongersma and K. Goodsen, “Nonradiative recom- bination in strongly
interacting silicon nanocrystals embedded inside amorphous silicon-oxide
films,” Phys. Rev. B, 80 045314 (2009). (Featured in Virtual Journal of
Nanoscale Science and Technology)
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T. Sikola, R. D. Kekatpure, E. S. Barnard, J.
S. White, P. Van Dorpe, L. Brinek, O. Tomanec, J. Zlamal, D. Y. Lei, Y.
Sonnefraud, S. A. Maier, J. Humlicek, and M. L. Brongersma,“Mid-IR plasmonic
antennas on silicon-rich oxinitride absorbing substrates: Nonlinear scaling of
resonance wavelengths with antenna length,” Appl. Phys. Lett., 95 253109
(2009).
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R. D. Kekatpure and M. L. Brongersma,
“Fundamental photophysics and optical loss processes in Si-nanocrystal-doped
microdisk resonators,” Phys. Rev. A, 78 023829 (2008). (Featured in Virtual
Journal of Nanoscale Science and Technology and Physical Review’s Kaleidoscope
image collection for August 2008).
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R. D. Kekatpure and M. L. Brongersma,
“Quantification of free-carrier absorption in silicon nanocrys- tals with an
optical microcavity,” Nano Lett., 8 3787 (2008).
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Y. C. Jun, R. D. Kekatpure, J. S. White and
M. L. Brongersma, “Nonresonant enhancement of spontaneous emission in
metal-dielectric-metal plasmon waveguide structures,” Phys. Rev. B, 78 153111
(2008). (Featured in Virtual Journal of Nanoscale Science and Technology).
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R. Guichard, R. D. Kekatpure, M. L.
Brongersma and T. I. Kamins, “Temperature-dependent Auger recombination
dynamics in luminescent silicon nanowires,” Phys. Rev. B, 78 235422 (2008).
(Featured in Virtual Journal of Nanoscale Science and Technology).
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Tewary, R. D. Kekatpure and M. L. Brongersma,
“Controlling defect and Si nanoparticle lumi- nescence from silicon oxynitride
films with CO2 laser annealing,” Appl. Phys. Lett., 88 093114 (2006). (Featured
in Virtual Journal of Nanoscale Science and Technology).
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R. D. Kekatpure, M. L. Brongersma and R. S.
Shenoy, “Design of a silicon-based field-effect electro- optic modulator with
enhanced light-charge interaction,” Opt. Lett., 30 2149 (2005).
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P. Kapur, R. D. Kekatpure and K. Saraswat,
“Minimizing power dissipation in optical interconnects at low voltage using
optimal modulator design,” IEEE Trans. on Electron Devices, 52 1713 (2005).
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C. Hryciw, S. Yerci, R. D. Kekatpure, L. Dal
Negro, and M. L. Brongersma,“Thermo-optic tuning of erbium-doped amorphous
silicon nitride microdisk resonators.” (submitted)