Compact and portable terahertz source by mixing two frequencies generated simultaneously by a single solid-state laser P Zhao, S Ragam, YJ Ding, IB Zotova Optics letters 35 (23), 3979-3981, 2010 | 127 | 2010 |
Power scalability and frequency agility of compact terahertz source based on frequency mixing from solid-state lasers P Zhao, S Ragam, YJ Ding, IB Zotova Applied Physics Letters 98 (13), 2011 | 84 | 2011 |
Investigation of terahertz generation from passively Q-switched dual-frequency laser pulses P Zhao, S Ragam, YJ Ding, IB Zotova Optics letters 36 (24), 4818-4820, 2011 | 72 | 2011 |
Structural, optical and electronic properties of homoepitaxial GaN nanowalls grown on GaN template by laser molecular beam epitaxy SS Kushvaha, MS Kumar, AK Shukla, BS Yadav, DK Singh, M Jewariya, ... RSC advances 5 (107), 87818-87830, 2015 | 49 | 2015 |
Terahertz intracavity generation from output coupler consisting of stacked GaP plates P Zhao, S Ragam, YJ Ding, IB Zotova Applied Physics Letters 101 (2), 2012 | 25 | 2012 |
Enhancement of CW THz wave power under noncollinear phase-matching conditions in difference frequency generation S Ragam, T Tanabe, K Saito, Y Oyama, J Nishizawa Journal of Lightwave Technology 27 (15), 3057-3061, 2009 | 23 | 2009 |
Continuous wave terahertz wave spectrometer based on diode laser pumping: Potential applications in high resolution spectroscopy T Tanabe, S Ragam, Y Oyama Review of Scientific Instruments 80 (11), 2009 | 16 | 2009 |
Digital predistortion of 75–110 GHz W-band frequency multiplier for fiber wireless short range access systems Y Zhao, L Deng, X Pang, X Yu, X Zheng, H Zhang, IT Monroy Optics Express 19 (26), B18-B25, 2011 | 9 | 2011 |
Recent progress on terahertz generation based on difference frequency generation: from power scaling to compact and portable sources YJ Ding, P Zhao, S Ragam, D Li, IB Zotova Chinese Optics Letters 9 (11), 110004, 2011 | 7 | 2011 |
CW terahertz wave generation with laser diode pumping and its applications for high-resolution terahertz spectroscopy T Tanabe, H Dezaki, S Ragam, Y Oyama, JI Nishizawa Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 74 (3 …, 2010 | 5 | 2010 |
The impact of RF-plasma power in carrier relaxation dynamics of unintentional doped GaN epitaxial layers grown by MBE N Prakash, K Anand, A Barvat, P Pal, DK Singh, M Jewariya, S Ragam, ... Optical Materials 54, 26-31, 2016 | 3 | 2016 |
Terahertz source P Zhao, SR Ragam US Patent App. 13/154,482, 2012 | 3 | 2012 |
Singly-resonant optical parametric oscillator in adhesive-free-bonded periodically inverted KTiOPO4 plates: Achieving oscillations at dual wavelengths P Zhao, S Ragam, YJ Ding, IB Zotova, X Mu, HC Lee, SK Meissner, ... CLEO: 2011-Laser Science to Photonic Applications, 1-2, 2011 | 3 | 2011 |
Power scaling of actively Q-switched synchronized dual-frequency laser pulses based on two Nd: YLF crystals S Ragam, P Zhao, YJ Ding, IB Zotova CLEO: Science and Innovations, CMP4, 2011 | 3 | 2011 |
Two-directional CW THz wave generation system by pumping with a single fiber amplifier of near-IR lasers T Tanabe, S Ragam, Y Oyama, T Sasaki, J Nishizawa, M Ohkado, ... IEEE Photonics Technology Letters 21 (4), 260-262, 2009 | 3 | 2009 |
Simultaneous generation of multiple thz frequencies tunable for novel applications P Zhao, S Ragam, L Wang, YJ Ding, IB Zotova, X Mu, HC Lee, ... CLEO: Science and Innovations, CTu1B. 8, 2012 | 2 | 2012 |
Generation of terahertz pulses by mixing dual-frequency pulses from Yb: YAG laser P Zhao, S Ragam, YJ Ding, IB Zotova 2012 Conference on Lasers and Electro-Optics (CLEO), 1-2, 2012 | 2 | 2012 |
Comparison of CW THz wave spectrometer with laser diode excitation and pulsed THz wave spectrometer with Cr: forsterite sources based on difference frequency generation of near … S Ragam, T Tanabe, Y Oyama, K Watanabe, H Dezaki Journal of Infrared, Millimeter, and Terahertz Waves 31, 1164-1170, 2010 | 2 | 2010 |
Terahertz Sources Based on Difference-Frequency Generation for Spectroscopy and Biomaterial Analysis SR Ragam, P Zhao, Y Oyama Terahertz Biomedical and Healthcare Technologies, 43-55, 2020 | 1 | 2020 |
Generation of high power terahertz pulse using tilted wavefront technique and its prospectus in non linear terahertz spectroscopy and three-dimensional computed tomography M Jewariya, SR Ragam, M Nagai, K Tanaka, E Abraham, T Yasui International Conference on Fibre Optics and Photonics, S4C. 3, 2014 | 1 | 2014 |