Search Results - "Dykaar, D.R."

Ultrafast pulse generation in photoconductive switches by Keil, U.D., Dykaar, D.R.

“…Carrier and field dynamics in photoconductive switches are investigated by electrooptic sampling and voltage-dependent reflectivity measurements. We show that…”
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Far-infrared light generation at semiconductor surfaces and its spectroscopic applications by Greene, B.I., Saeta, P.N., Dykaar, D.R., Schmitt-Rink, S., Chuang, S.L.

“…Femtosecond pulses of far-infrared (FIR) radiation can be generated in the depletion field near semiconductor surfaces under optical excitation via the inverse…”
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Propagation model for ultrafast signals on superconducting dispersive striplines by Whitaker, J.F., Sobolewski, R., Dykaar, D.R., Hsiang, T.Y., Mourou, G.A.

“…The algorithm suitable for the computer-aided design of transmission lines is used to model the propagation of picosecond and subpicosecond electrical signals…”
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High-speed coplanar transmission lines by Keil, U.D., Dykaar, D.R., Levi, A.F.J., Kopf, R.F., Pfeiffer, L.N., Darack, S.B., West, K.W.

“…The authors present measurements of picosecond pulse propagation on coplanar strip transmission lines for which speed (i.e., group velocity), as well as phase…”
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High-frequency characterization of thin-film Y-Ba-Cu oxide superconducting transmission lines by DYKAAR, D. R, SOBOLEWSKI, R, CHWALEK, J. M, WHITAKER, J. F, HSIANG, Y, MOUROU, G. A, LATHROP, D. K, RUSSEK, S. E, BURHMAN, R. A

“…We report the first measurements of picosecond pulse propagation on transmission lines patterned from YBa2Cu3O7−x films. Distortion-free propagation of high…”
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Propagation characteristics of picosecond electrical transients on coplanar striplines by HSIANG, T. Y, WHITAKER, J. F, SOBOLEWSKI, R, DYKAAR, D. R, MOUROU, G. A

“…Using a cryogenic electro-optic sampling technique, we have studied the transient propagation characteristics of superconducting and normal indium lines in the…”
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Picosecond switching dynamics of a Josephson tunnel junction by Dykaar, D.R., Sobolewski, R., Hsiang, T.Y.

“…The authors previously reported (D.R. Dykaar et al., 1987) switching measurements of a tunnel junction excited by photogenerated picosecond current pulses. The…”
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Large-signal picosecond response of InGaAs/InP quantum well lasers with an intracavity loss modulator by DYKAAR, D. R, BERTHOLD, K, LEVI, A. F. J, TANBUN-EK, T, LOGAN, R. A

“…Single and multiple quantum well laser diodes operating at 1.5 μm are fabricated incorporating an intracavity electroabsorptive loss modulator. Absorption in…”
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Cooper pair breaking in lead measured by pulsed terahertz spectroscopy by Federici, J.F., Greene, B.I., Saeta, P.N., Dykaar, D.R., Sharifi, F., Dynes, R.C.

“…A technique for characterizing pulsed far-infrared radiation with a demonstrated resolution of approximately 100 fs is used to measure directly Cooper pair…”
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High speed normal and superconducting coplanar transmission lines by Keil, U.D., Dykaar, D.R., Levi, A.F.J., Kopf, R.F., Pfeiffer, L.N., Darack, S.B., West, K.W.

“…The authors present measurements of picosecond pulse propagation on coplanar strip transmission lines for which speed (i.e., group velocity) as well as phase…”
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Ultrafast response of superconducting transmission lines by Chwalek, J.M., Dykaar, D.R., Whitaker, J.F., Sobolewski, R., Gupta, S., Hsiang, T.Y., Mourou, G.A.

“…The authors report investigations of picosecond transient propagation on normal and superconducting transmission lines and results of a variety of lines that…”
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VIA-2 Characterization of TEGFET's and MESFET's using the electrooptic sampling technique by Meyer, K.E., Dykaar, D.R., Mourou, G.A.

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Refractive index changes of low temperature grown GaAs depending on its annealing history by Dankowski, S.U., Kiesel, P., Keil, U.D., Dykaar, D.R., Kneissl, M., Knupfer, B., Kopf, R.F., Dohler, G.H.

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High speed linear CCD sensors with pinned photodiode photosites by Fox, E.C., O, N., Dykaar, D.R., Mantell, T.J., Sabila, R.W.

“…In this work we describe two families of linear image sensors which incorporate pinned photodiode (PPD) photosites. In a PPD photosite the n/sup +/ region of…”
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Chaos in pulse-driven Josephson junctions by SOBOLEWSKI, R, DYKAAR, D. R, HSIANG, T. Y, VANNESTE, C, CHI, C.-C

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