Search Results - "Yankelevich, D.R."

Integrated Solar Energy Harvesting and Storage by Guilar, N.J., Kleeburg, T.J., Chen, A., Yankelevich, D.R., Amirtharajah, R.

“…To explore integrated solar energy harvesting as a power source for low power systems, an array of energy scavenging photodiodes based on a passive-pixel…”
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Measurement of the modulation efficiency of an optical phase modulator using a self-homodyne receiver by Campbell, J.A., Knoesen, A., Yankelevich, D.R.

“…The authors describe a self-homodyne technique to measure the modulation efficiency of an optical phase modulator. The phase modulator is driven by a sine wave…”
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Measurement of order-disorder transitions in biological samples using polarization-modulated second harmonic generation imaging by Reiser, K.M., Rocha-Mendoza, I., Yankelevich, D.R., Wang, M., Bratton, C., Knoesen, A.

“…Transitions in order/disorder phase states of biological tissues were analyzed using polarization modulated second harmonic generation imaging. The degree of…”
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Achiral and chiral sum frequency vibrational spectroscopy of collagen fibrils by Rocha-Mendoza, I., Yankelevich, D.R., Wang, M., Bratton, C., Reiser, K.M., Frank, C.W., Knoesen, A.

“…The noncentrosymmetric molecular structures responsible for the second order nonlinear effects of collagen fibrils are identified by sum frequency vibrational…”
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Comparison of an in-line asymmetric directional coupler modulator with distributed optical loss to other linearized electrooptic modulators by Hamilton, S.A., Yankelevich, D.R., Knoesen, A., Weverka, R.T., Hill, R.A.

“…The transfer function of an external modulator is the critical factor that determines the spurious free dynamic range, signal power gain, and noise figure of a…”
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Generation of 312 nm, femtosecond pulses using a poled copolymer film by Yankelevich, D.R., Dienes, A., Knoesen, A., Schoenlein, R.W., Shank, C.V.

“…A 2.5- mu m-thick corona-poled copolymer film was used to double approximately 13-fs-long, 50-nJ-energy, 625-nm-wavelength pulses at a 8-kHz repetition rate…”
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Polymeric modulator for high frequency optical interconnects by Yankelevich, D.R., Hill, R.A., Knoesen, A., Mortazavi, M.A., Yoon, H.N., Kowel, S.T.

“…We describe the fabrication and performance of a thin-film electro-optic Fabry-Perot modulator operating in reflection, at wavelengths compatible with silicon…”
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Polarization-modulated second harmonic generation imaging: method for quantitative assessment of disorganization in anulus by Reiser, K.M., Rocha-Mendoza, I., Wang, M., Yankelevich, D.R., Bratton, C., Knoesen, A., Lotz, J.C., Liebenman, E.

“…An experimental method for quantifying disorder within the anulus fibrosus is described based on polarization-modulated second harmonic generation imaging…”
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Progress toward an efficient traveling wave in-line fiber analog modulator by Hamilton, S.A., Yankelevich, D.R., Knoesen, A., Hill, R.A., Weverka, R.T.

“…An in-line fiber modulator is an asymmetric directional coupler consisting of a continuous single mode fiber interacting through the evanescent fields with an…”
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High bandwidth traveling wave polymeric in-line fiber modulator by Hamilton, S.A., Yankelevich, D.R., Knoesen, A., Hill, R.A., Weverka, R.T., Bjorklund, G.C.

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In-line fiber electro-optic modulators: Decal deposition of patches of poled nonlinear polymers by Knoesen, A., Hamilton, S.A., Yankelevich, D.R., Hill, R.A., Weverka, R.T., Bjorklund, G.C.

“…Summary form only given. We demonstrate the application of decal technique to electro-optic modulators. It allows the deposition of high-quality, corona-poled,…”
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Phase distortions of femtosecond pulses generated in multilayer second order nonlinear media by Knoesen, A., Sidick, E., Dienes, A., Yankelevich, D.R., Hill, R.

“…Minimizing pulse-spreading caused by group velocity mismatch demands structures that achieve large conversion efficiency with a short interaction length…”
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Molecular engineering of nonlinear optical polymer thin films for ultrashort optical pulse diagnostics by Knoesen, A., Pretre, P., Wu, L., Yankelevich, D.R., Dyer, D., Twieg, R.J., Taft, G., Murnane, M.M., Kapteyn, H.C.

“…We discuss the molecular engineering of a second order nonlinear optical (NLO) polymer materials specifically for ultrashort optical pulse diagnostics. We use…”
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Narrow-band light emission in a semiconductor-fiber asymmetric waveguide coupler by Mao, E., Lin, C.-C., Solgaard, O., Harris, S., Yankelevich, D.R., Knoesen, A.

“…We have demonstrated a narrow-band, fiber-coupled light emitter based on evanescent coupling between a semiconductor waveguide and a polished single mode…”
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18 GHz traveling wave polymeric in-line fiber modulator by Hamilton, S.A., Yankelevich, D.R., Knoesen, A., Hill, R.A., Weverka, R.T., Bjorklund, G.C.

“…A radio frequency (RF) modulated optical fiber link is an attractive alternative to coaxial cables to distribute large bandwidth analog RF signals. A critical…”
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Polymeric in-line fiber modulator using novel processing techniques by Hill, R.A., Bjorklund, G.C., Hamilton, S.A., Yankelevich, D.R., Knoesen, A.

“…Summary form only given. We have designed and fabricated a polymeric in-line fiber modulator using novel fabrication techniques. This device is based on…”
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Optically initiated electric field poling of nonlinear polymers by Hill, R.A., Pretre, P., Knoessen, A., Yankelevich, D.R., Tweig, R.

“…In our research we have used optical pulses to initiate molecular reorientation by photoisomerization. The unstable cis-isomer of azobenzene is used to enable…”
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Ultrashort pulse photochemical decay of nonlinear optical polymers by Yankelevich, D.R., Hill, R.A., Pretre, P., Knoesen, A., Tweig, R.J., Lee, V.Y., Miller, R.D., Volksen, W.

“…Our group has pursued the utilization of poled polymeric films in ultrashort pulse second harmonic generation (USP-SHG). In particular, we have been interested…”
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