Search Results - "Darvish, R."

Genetic and clinical factors predict lithium’s effects on PER2 gene expression rhythms in cells from bipolar disorder patients by McCarthy, M J, Wei, H, Marnoy, Z, Darvish, R M, McPhie, D L, Cohen, B M, Welsh, D K

“…Bipolar disorder (BD) is associated with abnormal circadian rhythms. In treatment responsive BD patients, lithium (Li) stabilizes mood and reduces suicide…”
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Surface leakage investigation via gated type-II InAs/GaSb long-wavelength infrared photodetectors by Chen, G., Huang, E. K., Hoang, A. M., Bogdanov, S., Darvish, S. R., Razeghi, M.

“…By using gating technique, surface leakage generated by SiO2 passivation in long-wavelength infrared type-II superlattice photodetector is suppressed, and…”
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Antimonide-Based Type II Superlattices: A Superior Candidate for the Third Generation of Infrared Imaging Systems by Razeghi, M., Haddadi, A., Hoang, A. M., Chen, G., Bogdanov, S., Darvish, S. R., Callewaert, F., Bijjam, P. R., McClintock, R.

“…Type II superlattices (T2SLs), a system of interacting multiquantum wells, were introduced by Nobel Laureate L. Esaki in the 1970s. Since then, this material…”
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Effect of sidewall surface recombination on the quantum efficiency in a Y2O3 passivated gated type-II InAs/GaSb long-infrared photodetector array by Chen, G., Hoang, A. M., Bogdanov, S., Haddadi, A., Darvish, S. R., Razeghi, M.

“…Y2O3 was applied to passivate a long-wavelength infrared type-II superlattice gated photodetector array with 50% cut-off wavelength at 11 μm, resulting in a…”
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Quantum cascade lasers that emit more light than heat by Razeghi, Manijeh, Bai, Yanbo, Slivken, Steven, Kuboya, Shigeyuki, Darvish, Shaban R

“…For any semiconductor lasers, the wall plug efficiency, that is, the portion of the injected electrical energy that can be converted into output optical…”
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High-power 280 nm AlGaN light-emitting diodes based on an asymmetric single-quantum well by Mayes, K., Yasan, A., McClintock, R., Shiell, D., Darvish, S. R., Kung, P., Razeghi, M.

“…We demonstrate high-power AlGaN-based ultraviolet light-emitting diodes grown on sapphire with an emission wavelength of 280 nm using an asymmetric…”
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High quantum efficiency AlGaN solar-blind p-i-n photodiodes by McClintock, R., Yasan, A., Mayes, K., Shiell, D., Darvish, S. R., Kung, P., Razeghi, M.

“…We report AlGaN-based back-illuminated solar-blind ultraviolet p-i-n photodetectors with a peak responsivity of 136 mA/W at 282 nm without bias. This…”
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4.5 mW operation of AlGaN-based 267 nm deep-ultraviolet light-emitting diodes by Yasan, A., McClintock, R., Mayes, K., Shiell, D., Gautero, L., Darvish, S. R., Kung, P., Razeghi, M.

“…We demonstrate 4.5 mW output power from AlGaN-based single quantum well ultraviolet light-emitting diodes at a very short wavelength of 267 nm in pulsed…”
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Short wavelength (/spl lambda//spl sim/4.3 μm) high-performance continuous-wave quantum-cascade lasers by Yu, J.S., Evans, A., Slivken, S., Darvish, S.R., Razeghi, M.

“…We report continuous-wave (CW) operation of a 4.3-μm quantum-cascade laser from 80 K to 313 K. For a high-reflectivity-coated 11-μm-wide and 4-mm-long laser,…”
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Diffusion of latent semantic analysis as a research tool: A social network analysis approach by Tonta, Yaşar, Darvish, Hamid R.

“…Latent semantic analysis (LSA) is a relatively new research tool with a wide range of applications in different fields ranging from discourse analysis to…”
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53: Effect of preoperative depression on length of stay and disposition following pelvic reconstructive surgery by Roberts, K., Slopnick, E., Chapman, G., Darvish, R., Sheyn, D., Mahajan, S.T.

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Evaluating the Incidence of Urinary Tract Infection after Hysterectomy for Benign Conditions by Dao, A, Darvish, R, Chapman, G, Slopnick, E, Pollard, RR, Sheyn, D

“…To report rates and identify risk factors for urinary tract infection (UTI) following hysterectomy for benign conditions. Retrospective cohort study. American…”
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Characteristics of high-quality p -type AlxGa1−xN/GaN superlattices by Yasan, A., McClintock, R., Darvish, S. R., Lin, Z., Mi, K., Kung, P., Razeghi, M.

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Influence of non-perovskite phases on ferroelectric and dielectric behavior of electron-beam deposited PZT thin films by Darvish, S.R., Rastogi, A.C., Bhatnagar, P.K.

“…Crystalline structure-induced effects on the ferroelectric and dielectric properties in electron-beam deposited PZT thin films are described, TiO 2 dispersion…”
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Room temperature continuous wave operation of quantum cascade lasers with 12.5% wall plug efficiency by Bai, Y., Slivken, S., Darvish, S. R., Razeghi, M.

“…An InP based quantum cascade laser heterostructure emitting at 4.6 μ m was grown with gas-source molecular beam epitaxy. The wafer was processed into a…”
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Room temperature continuous wave operation of quantum cascade lasers with watt-level optical power by Bai, Y., Darvish, S. R., Slivken, S., Zhang, W., Evans, A., Nguyen, J., Razeghi, M.

“…We demonstrate quantum cascade lasers at an emitting wavelength of 4.6 μ m , which are capable of room temperature, high power continuous wave (cw) operation…”
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Buried heterostructure quantum cascade lasers with high continuous-wave wall plug efficiency by Evans, A., Darvish, S. R., Slivken, S., Nguyen, J., Bai, Y., Razeghi, M.

“…The authors report on the development of λ ∼ 4.7 μ m strain-balanced InP-based quantum cascade lasers with high wall plug efficiency and room temperature…”
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High power broad area quantum cascade lasers by Bai, Y., Slivken, S., Darvish, S. R., Haddadi, A., Gokden, B., Razeghi, M.

“…Broad area quantum cascade lasers (QCLs) are studied with ridge widths up to 400   μ m , in room temperature pulsed mode operation at an emission wavelength…”
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Phase evolution of electron-beam evaporated Pb(Zr, Ti)O3 thin films by RASTOGI, A. C, DARVISH, S. R, BHATNAGAR, P. K

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Temperature dependent characteristics of λ ∼ 3.8 μ m room-temperature continuous-wave quantum-cascade lasers by Yu, J. S., Evans, A., Slivken, S., Darvish, S. R., Razeghi, M.

“…Temperature dependent characteristics of λ ∼ 3.8 μ m quantum-cascade lasers (QCLs) operating up to 318 K in continuous-wave (cw) mode are reported. A…”
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