Prashanth C Upadhya
Prashanth C Upadhya
Laboratory for Electro-Optics Systems, ISRO, Bangalore
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Ultrabroadband terahertz radiation from low-temperature-grown GaAs photoconductive emitters
YC Shen, PC Upadhya, EH Linfield, HE Beere, AG Davies
Applied physics letters 83 (15), 3117-3119, 2003
Generation and detection of ultrabroadband terahertz radiation using photoconductive emitters and receivers
YC Shen, PC Upadhya, HE Beere, EH Linfield, AG Davies, IS Gregory, ...
Applied Physics Letters 85 (2), 164-166, 2004
Temperature-dependent low-frequency vibrational spectra of purine and adenine
YC Shen, PC Upadhya, EH Linfield, AG Davies
Applied Physics Letters 82 (14), 2350-2352, 2003
Terahertz time-domain spectroscopy of glucose and uric acid
PC Upadhya, YC Shen, AG Davies, EH Linfield
Journal of Biological Physics 29 (2-3), 117-121, 2003
Far-infrared spectroscopic characterization of explosives for security applications using broadband terahertz time-domain spectroscopy
WH Fan, A Burnett, PC Upadhya, J Cunningham, EH Linfield, AG Davies
Applied spectroscopy 61 (6), 638-643, 2007
Far-infrared vibrational modes of polycrystalline saccharides
PC Upadhya, YC Shen, AG Davies, EH Linfield
Vibrational Spectroscopy 35 (1-2), 139-143, 2004
Subpicosecond optical switching with a negative index metamaterial
KM Dani, Z Ku, PC Upadhya, RP Prasankumar, SRJ Brueck, AJ Taylor
Nano letters 9 (10), 3565-3569, 2009
Ultrafast carrier dynamics in semiconductor nanowires
RP Prasankumar, PC Upadhya, AJ Taylor
physica status solidi (b) 246 (9), 1973-1995, 2009
Vibrational spectra of nucleosides studied using terahertz time-domain spectroscopy
YC Shen, PC Upadhya, EH Linfield, AG Davies
Vibrational spectroscopy 35 (1-2), 111-114, 2004
Broadband terahertz time-domain spectroscopy of drugs-of-abuse and the use of principal component analysis
AD Burnett, W Fan, PC Upadhya, JE Cunningham, MD Hargreaves, ...
Analyst 134 (8), 1658-1668, 2009
Excitation-density-dependent generation of broadband terahertz radiation in an asymmetrically excited photoconductive antenna
PC Upadhya, W Fan, A Burnett, J Cunningham, AG Davies, EH Linfield, ...
Optics letters 32 (16), 2297-2299, 2007
Characterization of Crystalline Phase‐Transformations in Theophylline by Time‐Domain Terahertz Spectroscopy
PC Upadhya, KL Nguyen, YC Shen, J Obradovic, K Fukushige, R Griffiths, ...
Spectroscopy letters 39 (3), 215-224, 2006
Terahertz generation from coherent optical phonons in a biased GaAs photoconductive emitter
YC Shen, PC Upadhya, EH Linfield, HE Beere, AG Davies
Physical Review B 69 (23), 235325, 2004
Understanding ultrafast carrier dynamics in single quasi-one-dimensional Si nanowires
MA Seo, SA Dayeh, PC Upadhya, JA Martinez, BS Swartzentruber, ...
Applied Physics Letters 100 (7), 071104, 2012
The influence of defect states on non-equilibrium carrier dynamics in GaN nanowires
PC Upadhya, Q Li, GT Wang, AJ Fischer, AJ Taylor, RP Prasankumar
Semiconductor science and technology 25 (2), 024017, 2010
Ultrafast nonlinear optical spectroscopy of a dual-band negative index metamaterial all-optical switching device
KM Dani, Z Ku, PC Upadhya, RP Prasankumar, AJ Taylor, SRJ Brueck
Optics Express 19 (5), 3973-3983, 2011
Probing ultrafast carrier dynamics in silicon nanowires
A Kar, PC Upadhya, SA Dayeh, ST Picraux, AJ Taylor, RP Prasankumar
IEEE Journal of Selected Topics in Quantum Electronics 17 (4), 889-895, 2010
Terahertz evanescent field microscopy of dielectric materials using on-chip waveguides
J Cunningham, M Byrne, P Upadhya, M Lachab, EH Linfield, AG Davies
Applied Physics Letters 92 (3), 032903, 2008
Broadband terahertz time-domain and Raman spectroscopy of explosives
AD Burnett, WH Fan, PC Upadhya, JE Cunningham, HGM Edwards, ...
Terahertz for Military and Security Applications V 6549, 654905, 2007
Terahertz time-domain spectroscopy of crushed wheat grain
HS Chua, J Obradovic, AD Haigh, PC Upadhya, O Hirsch, D Crawley, ...
IEEE MTT-S International Microwave Symposium Digest, 2005., 4 pp., 2005
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