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 | 299 | 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 | 245 | 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 | 242 | 2003 |
Terahertz time-domain spectroscopy of glucose and uric acid PC Upadhya, YC Shen, AG Davies, EH Linfield Journal of Biological Physics 29, 117-121, 2003 | 172 | 2003 |
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 | 152 | 2009 |
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 | 151 | 2007 |
Far-infrared vibrational modes of polycrystalline saccharides PC Upadhya, YC Shen, AG Davies, EH Linfield Vibrational Spectroscopy 35 (1-2), 139-143, 2004 | 121 | 2004 |
Ultrafast carrier dynamics in semiconductor nanowires RP Prasankumar, PC Upadhya, AJ Taylor physica status solidi (b) 246 (9), 1973-1995, 2009 | 96 | 2009 |
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 | 87 | 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 | 76 | 2007 |
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 | 75 | 2004 |
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 | 62 | 2006 |
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), 2012 | 48 | 2012 |
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—Condensed Matter and Materials Physics 69 (23), 235325, 2004 | 48 | 2004 |
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 | 42 | 2011 |
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 | 39 | 2010 |
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., 2103-2106, 2005 | 37 | 2005 |
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 | 29 | 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), 2008 | 26 | 2008 |
On-chip photoconductive excitation and detection of pulsed terahertz radiation at cryogenic temperatures C Wood, J Cunningham, PC Upadhya, EH Linfield, IC Hunter, AG Davies, ... Applied physics letters 88 (14), 2006 | 24 | 2006 |