Search Results - "Schacham, S. E."

Intersublevel transitions in InAs/GaAs quantum dots infrared photodetectors by Maimon, S., Finkman, E., Bahir, G., Schacham, S. E., Garcia, J. M., Petroff, P. M.

“…Thermal generation rate in quantum dots (QD) can be significantly smaller than in quantum wells, rendering a much improved signal to noise ratio. QDs infrared…”
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Near infrared quantum cascade detector in GaN∕AlGaN∕AlN heterostructures by Vardi, A., Bahir, G., Guillot, F., Bougerol, C., Monroy, E., Schacham, S. E., Tchernycheva, M., Julien, F. H.

“…A quantum cascade detector in the GaN/AlGaN/AlN material system was implemented. The design takes advantage of the large internal field existing in the…”
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Non-polar m -plane intersubband based InGaN/(Al)GaN quantum well infrared photodetectors by Pesach, A., Gross, E., Huang, C.-Y., Lin, Y.-D., Vardi, A., Schacham, S. E., Nakamura, S., Bahir, G.

“…We demonstrate intersuband InGaN/(Al)GaN quantum well infrared photodetectors grown on a free standing non-polar m-plane GaN substrate. The devices are grown…”
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Effect of doping location on photoconductive spectrum of SiGe quantum dots by Schacham, S. E., Vardi, A., Le Thanh, V., Finkman, E.

“…Comparative analysis of photoconductive (PC) spectra obtained from SiGe quantum dots grown on Si shows large dependence on the location of doping. The sample…”
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Femto-second electron transit time characterization in GaN/AlGaN quantum cascade detector at 1.5 micron by Vardi, A., Sakr, S., Mangeney, J., Kandaswamy, P. K., Monroy, E., Tchernycheva, M., Schacham, S. E., Julien, F. H., Bahir, G.

“…The ultra fast carrier dynamic in GaN/AlGaN quantum cascade detector was investigated using a time-resolved bias-lead monitoring technique. It is demonstrated…”
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Enhanced photoconductive signal in InAs quantum dots due to plasma confined microcavities by Schacham, S., Shengh, W., Leburton, J., Fossard, F., Julien, F.H., Gendry, Michel, Finkman, E., Shuall, N., Bahir, G.

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Photoconductivity of Ge/Si quantum dot photodetectors by Rappaport, N., Finkman, E., Boucaud, P., Sauvage, S., Brunhes, T., Le Thanh, V., Bouchier, D., Schacham, S.E.

“…Various structures of self-assembled Ge/Si quantum dot infrared photodetectors were implemented and investigated. The electronic structure of the QDIPs was…”
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Photoconductive spectral analysis of InAs quantum dot under normal incidence by Schacham, S.E., Bahir, G., Finkman, E., Julien, F.H., Fossard, F., Brault, J., Gendry, M.

“…InAs/InAlAs-on-InP quantum dots were implemented for infrared photodetection. The photoconductive spectra were measured as a function of polarization angle and…”
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Enhancement of Shubnikov-de Haas Oscillations by Carrier Modulation by Schacham, S. E., Haugland, E. J., Alterovitz, S. A.

“…A novel technique for drastically enhancing the Shubnikov-de Haas (SdH) pattern of oscillatory magnetoresistance is presented. The technique is based on…”
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Room-Temperature Determination of Two-Dimensional Electron Gas Concentration and Mobility in Heterostructures by Schacham, S. E., Mena, R. A., Haugland, E. J., Alterovitz, S. A.

“…A technique for determination of room-temperature two-dimensional electron gas (2DEG) concentration and mobility in heterostructures is presented. Using…”
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Polarized front-illumination response in intraband quantum dot infrared photodetectors at 77 K by Finkman, E., Maimon, S., Immer, V., Bahir, G., Schacham, E., Fossard, F., Julien, F., Brault, J., Gendry, Michel

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Detection and measurement of steady-state evoked potentials in real-time using a lock-in amplifier. Technical note by Schacham, S E, Pratt, H

“…A system for recording evoked potentials, in which a lock-in amplifier replaces the averaging computer, is described. With this system, the set-up is much the…”
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High sensitivity high T c superconducting Josephson junction antenna for 200 GHz detection by Holdengreber, E., Moshe, A. G., Mizrahi, M., Khavkin, V., Schacham, S. E., Farber, E.

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High sensitivity high Tc superconducting Josephson junction antenna for 200 GHz detection by Holdengreber, E., Moshe, A. G., Mizrahi, M., Khavkin, V., Schacham, S. E., Farber, E.

“…A high sensitivity rounded bow-tie antenna was optimized based on electromagnetic simulations. The bicrystal Josephson junction detector with a thin layer of…”
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Miniature fiber-optic pattern-reversal stimulator for determination of the visual evoked potential threshold; comparison with Snellen acuity by RANIEL, Y, PRATT, H, NEUMANN, E, SCHACHAM, S. E

“…In this report we recommend the estimation of visual acuity by detection of the visual evoked potential (VEP) threshold, defined by the smallest visual angle…”
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Real-time monitoring of visual evoked potentials by Zaaroor, M, Pratt, H, Feinsod, M, Schacham, S E

“…Steady-state visual evoked potentials (SSVEP) were recorded in response to flashes from eyepatch-mounted light-emitting diodes during neurological surgery and…”
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Covered electrode HgCdTe photoconductor under high illumination levels by Fenigstein, A., Schacham, S. E., Finkman, E.

“…The issue of thermal imaging systems exposed to large photon fluxes is of great practical importance, as it is encountered while observing a scenery which…”
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Mobility modulation in vertical transport of hot electrons in multi-quantum-well structures by Maimon, S, Schacham, SE, Bahir, G, Finkman, E, Ritter, D

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Strain compensated InGaAs/InGaP quantum well infrared detector for midwavelength band detection by Maimon, S., Cohen, G. M., Finkman, E., Bahir, G., Ritter, D., Schacham, S. E.

“…A high detectivity multiquantum well midinfrared photodetector is reported. It is based on a strain compensated InGaAs/InGaP on InP structure, using…”
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Quantum dot infrared photodetectors in new material systems by Finkman, E, Maimon, S, Immer, V, Bahir, G, Schacham, S.E, Gauthier-Lafaye, O, Herriot, S, Julien, F.H, Gendry, M, Brault, J

“…Infrared detectors were implemented on InAs self-assembled quantum dots fabricated using Stranski–Krastanov growth mode on InAlAs matrix, lattice matched to…”
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