Search Results - "Tatavarti, R"

Quantum Cascade Lasers Grown by Metalorganic Chemical Vapor Deposition on Foreign Substrates with Large Surface Roughness by Xu, Shining, Zhang, Shuqi, Kirch, Jeremy D., Liu, Cheng, Wibowo, Andree, Tatavarti, Sudersena R., Botez, Dan, Mawst, Luke J.

“…The surface morphology of a buffer template is an important factor in the heteroepitaxial integration of optoelectronic devices with a significant lattice…”
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Tsunami of December 26, 2004 on the southwest coast of India: Post-tsunami geomorphic and sediment characteristics by Narayana, A.C., Tatavarti, R., Shinu, N., Subeer, A.

“…This paper discusses the impact of the December 26, 2004 tsunami on the geomorphic features and sediment characteristics along the southwest coast of India…”
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InGaAs/AlInAs strain-compensated Superlattices grown on metamorphic buffer layers for low-strain, 3.6μm-emitting quantum-cascade-laser active regions by Mawst, L.J., Kirch, J.D., Chang, C.-C., Kim, T., Garrod, T., Botez, D., Ruder, S., Kuech, T.F., Earles, T., Tatavarti, R., Pan, N., Wibowo, A.

“…Short-wavelength (λ∼3.6μm) quantum-cascade-laser (QCL) designs, employing a metamorphic buffer layer (MBL) on a GaAs substrate, have been developed for strong…”
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Nearshore sediment characteristics and formation of mudbanks along the Kerala coast, southwest India by Narayana, A.C., Jago, C.F., Manojkumar, P., Tatavarti, R.

“…In order to gain insight into the formation dynamics of mudbanks off the Kerala coast of India, extensive surveying of the nearshore bathymetry along with…”
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Hydrodynamics in a Mud Bank Regime during Nonmonsoon and Monsoon Seasons by Tatavarti, R., Narayana, A. C.

“…We present here an analysis of a set of measurements of water surface elevations (waves), cross-shore currents, and longshore currents from two cross-shore…”
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8.1 μm-emitting InP-based quantum cascade laser grown on Si by metalorganic chemical vapor deposition by Xu, S., Zhang, S., Kirch, J. D., Gao, H., Wang, Y., Lee, M. L., Tatavarti, S. R., Botez, D., Mawst, L. J.

“…This study presents the growth and characterization of an 8.1 μm-emitting, InGaAs/AlInAs/InP-based quantum cascade laser (QCL) formed on an InP-on-Si composite…”
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Demonstration of high-speed staggered lineup GaAsSb-InP unitraveling carrier photodiodes by Liguang Zheng, Xiong Zhang, Yuping Zeng, Tatavarti, S.R., Watkins, S.P., Bolognesi, C.R., Demiguel, S., Campbell, J.C.

“…We demonstrate staggered ("type-II") lineup lattice-matched GaAs/sub 0.51/Sb/sub 0.49/-InP unitraveling carrier photodiodes (UTC-PDs) for application near 1.55…”
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Mudbank regime off the Kerala coast during monsoon and non-monsoon seasons by TATAVARTI, R, NARAVANA, A. C, MANOJ KUMAR, P, CHAND, S

“…Field experiments conducted in the nearshore ocean to understand the dynamics of mudbank off Kerala, south-west coast of India, are highlighted. Real time…”
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Mudbank dynamics: Field evidence of edge waves and far infra-gravity waves by Tatavarti, R., Narayana, A. C., Ravishankar, M., Kumar, P. Manoj

“…Field experiments in the nearshore ocean to understand the dynamics of mudbank off Kerala, south-west coast of India, are highlighted. Real time monitoring of…”
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Assessing the quality of university research – RT factor by Tatavarti, R., Sridevi, N., Kothari, D. P.

“…We discuss here the mechanisms to quantify the quality of research output of a university and highlight the pros and cons of evaluating and quantifying…”
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Mobile Solar Power by Trautz, K. M., Jenkins, P. P., Walters, R. J., Scheiman, D., Hoheisel, R., Tatavarti, R., Chan, R., Miyamoto, H., Adams, J. G. J., Elarde, V. C., Grimsley, J.

“…The military's need to reduce both fuel and battery resupply is a real-time requirement for increasing combat effectiveness and decreasing vulnerability…”
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Hydrodynamics in a mud bank regime during bonmonsoon and monsoon seasons by TATAVARTI, R, NARAYANA, A. C

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InGaP/GaAs/InGaAs inverted metamorphic (IMM) solar cells on 4″ epitaxial lifted off (ELO) wafers by Tatavarti, R, Wibowo, A, Martin, G, Tuminello, F, Youtsey, C, Hillier, G, Pan, N, Wanlass, M W, Romero, M

“…InGaP/GaAs/InGaAs inverted metamorphic (IMM) triple junction (TJ) solar cells were fabricated on epitaxial liftoff (ELO) 100 mm diameter GaAs wafers. These ELO…”
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Metamorphic solar cells employing chemical mechanical polishing and MOVPE regrowth by Mawst, L. J., Dudley, P., Kirch, J., Kim, T., Ruder, S., Kuech, T. F., Tatavarti, R.

“…We have investigated the MOVPE growth of In x Ga 1-x As metamorphic buffer layer (MBL) structures with a focus on techniques to improve the surface morphology…”
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Large-area, epitaxial lift-off, inverted metamorphic solar cells by Tatavarti, R., Wibowo, A., Elarde, V., Tuminello, F., Pastor, R., Giannopoulos, T., Osowski, M., Chan, R., Youtsey, C., Hillier, G., Pan, N.

“…Large area (20 cm 2 ) epitaxial lifted-off (ELO) triple junction (TJ) solar cells based on inverted metamorphic (IMM) InGaP/GaAs/InGaAs were fabricated. These…”
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Lightweight, low cost InGaP/GaAs dual-junction solar cells on 100 mm epitaxial liftoff (ELO) wafers by Tatavarti, R., Hillier, G., Martin, G., Wibowo, A., Navaratnarajah, R., Tuminello, F., Hertkorn, D., Disabb, M., Youtsey, C., McCallum, D., Pan, N.

“…InGaP/GaAs dual junction (DJ) solar cells were fabricated on epitaxial liftoff (ELO) 100 mm diameter GaAs wafers. These ELO DJ cell wafers have total…”
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Strained In1-x, GaxP/GaAsSb DHBT by Hillier, G., Navaratnarajah, R., Dzankovic, A., Du, G., Tatavarti, R., Pan, N.

“…InP/GaAsSb DHBT typically show a lower dc current gain to base sheet ratio in comparison to conventional InP/InGaAs DHBT, which limits the efficiency…”
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An Improved Decision-Based Algorithm for Impulse Noise Removal by Nair, M.S., Revathy, K., Tatavarti, R.

“…The paper proposes an improved fast and efficient decision-based algorithm for the restoration of images that are highly corrupted by Salt-and-Pepper noise…”
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Use of Collocated Sensors to Measure Coastal Wave Reflection by Huntley, David A, Simmonds, David, Tatavarti, Rao

“…Two different methods for estimating frequency-dependent reflection coefficients for waves incident on a coastline using collocated measurements of elevation…”
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Low cost EEG signal acquisition system by Arulmozhivarman, P., Reddy, G. R., Tatavarti, R.

“…Biomedical engineering technology research of late is focusing on the rapidly growing inter-disciplinary area of affordable healthcare, to promote…”
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