Search Results - "PAFCHEK, R"

Oxygen incorporation into GST phase-change memory matrix by Golovchak, R., Choi, Y.G., Kozyukhin, S., Chigirinsky, Yu, Kovalskiy, A., Xiong-Skiba, P., Trimble, J., Pafchek, R., Jain, H.

“…•Surfaces of GST-225 films are depleted in Te as a result of the reaction with oxygen.•Top layers of oxidized GST-225 are formed by Sb and Ge oxide…”
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Width Dependence of Inherent TM-Mode Lateral Leakage Loss in Silicon-On-Insulator Ridge Waveguides by Webster, M.A., Pafchek, R.M., Mitchell, A., Koch, T.L.

“…We report the first experimental observation in the optical domain of a dramatic width-dependent lateral leakage loss behavior for the TM-like mode of tight…”
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Compact and low-loss integrated box-like passband multiplexer by Doerr, C.R., Stulz, L.W., Pafchek, R.

“…A fully packaged 40-channel 100-GHz-spacing full-coupler-type synchronized-gratings multiplexer with a 1-dB bandwidth >57 GHz, total adjacent crosstalk /spl…”
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Simple multichannel optical equalizer mitigating intersymbol interference for 40-Gb/s nonreturn-to-zero signals by Doerr, C.R., Chandrasekhar, S., Winzer, P.J., Chraplyvy, A.R., Gnauck, A.H., Stulz, L.W., Pafchek, R., Burrows, E.

“…We present a simple, silica waveguide optical equalizer that significantly mitigates intersymbol interference (ISI) impairments for many wavelength-division…”
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Colorless tunable dispersion compensator with 400-ps/nm range integrated with a tunable noise filter by Doerr, C.R., Stulz, L.W., Chandrasekhar, S., Pafchek, R.

“…We demonstrate a colorless thermooptic-lens-based tunable dispersion compensator integrated with a tunable optical noise filter. The free-spectral range is 200…”
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Integrated band demultiplexer using waveguide grating routers by Doerr, C.R., Pafchek, R., Stulz, L.W.

“…We present a novel band demultiplexer design for planar lightwave circuits. It consists of two perfectly sampled waveguide grating routers connected by sets of…”
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Low-loss quasi-planar ridge waveguides formed on thin silicon-on-insulator by Webster, M. A., Pafchek, R. M., Sukumaran, G., Koch, T. L.

“…Low-loss, quasi-planar ridge waveguide structures have been designed and fabricated in silicon-on-insulator material with waveguide propagation losses of < 0.7…”
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Compact and low-loss manner of waveguide grating router passband flattening and demonstration in a 64-channel blocker/multiplexer by Doerr, C.R., Stulz, L.W., Pafchek, R., Shunk, S.

“…We present a compact design for flattening the passband of a waveguide grating router theoretically without excess loss or chromatic dispersion. We demonstrate…”
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16-band integrated dynamic gain equalization filter with less than 2.8-dB insertion loss by Doerr, C.R., Pafchek, R., Stulz, L.W.

“…We demonstrate a low-loss 16-band dynamic gain equalization filter consisting of two perfectly sampled waveguide grating routers (WGRs) and an array of…”
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An integrated photonic sensor for in situ monitoring of hazardous organics by Luo, D.H, Levy, R.A, Hor, Y.F, Federici, J.F, Pafchek, R.M

“…This study discusses the design, fabrication, and performance of an integrated photonic sensor based on the principles of single mode Mach-Zehnder…”
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Potentially low-startup-cost wavelength add-drop node using silica waveguide integration by DOERR, C. R, STULZ, L. W, RICHARDS, G, LEVY, D. S, PAFCHEK, R, CAPPUZZO, M, GOMEZ, L, WONG-FOY, A, CHEN, E, LASKOWSKI, E, BOGERT, G

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Alignment monitoring of the pulse carver and data modulator for RZ-DPSK systems by Hoon Kim, Doerr, C.R., Pafchek, R., Stulz, L.W., Bernasconi, P.

“…A novel technique for monitoring the alignment status between the pulse carver and data modulator for return-to-zero differential phase-shift keying systems is…”
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A hybrid MEMS-waveguide wavelength selective cross connect by Fuchs, D.T., Doerr, C.R., Aksyuk, V.A., Simon, M.E., Stulz, L.W., Chandrasekhar, S., Buhl, L.L., Cappuzzo, M., Gomez, L., Wong-Foy, A., Laskowski, E., Chen, E., Pafchek, R.

“…A 16-channel 100-GHz-spacing wavelength selective cross connect is demonstrated using a combination of planar waveguides and MEMS piston-mirrors. Interswitch…”
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Potentially low-cost widely tunable laser consisting of a semiconductor optical amplifier connected directly to a silica waveguide grating router by Doerr, C.R., Stulz, L.W., Pafchek, R., Dreyer, K., Zhang, L.

“…We present a widely tunable laser consisting of a semiconductor optical amplifier (SOA) glued directly to a silica waveguide grating router, that can be…”
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An automatic 40-wavelength channelized equalizer by Doerr, C.R., Stulz, L.W., Pafchek, R., Gomez, L., Cappuzzo, M., Paunescu, A., Laskowski, E., Buhl, L., Kim, H.K., Chandrasekhar, S.

“…We demonstrate a wavelength equalizer in planar silica waveguides that can automatically control individual channel powers in a 40-channel…”
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DWDM performance of a packaged reconfigurable optical add-drop multiplexer subsystem supporting modular systems growth by Soole, J.B.D., Pafchek, R., Narayanan, C., Bogert, G., Jampanaboyana, L., Chand, N., Yu, J., Fischer, M., Ling, M., Earnshaw, M.P., Kojima, K., Swaminathan, V.

“…We describe dense wavelength-division-multiplexing (DWDM) operation of a reconfigurable optical add-drop multiplexer subsystem module employing silica…”
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Arrayed waveguide dynamic gain equalization filter with reduced insertion loss and increased dynamic range by Doerr, C.R., Chang, K.W., Stulz, L.W., Pafchek, R., Guo, Q., Buhl, L., Gomez, L., Cappuzzo, M., Bogert, G.

“…We present an arrayed waveguide dynamic gain equalization filter with less than 4.5-dB insertion loss and greater than 14-dB dynamic range over the C-band…”
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Wavelength add-drop node using silica waveguide integration by Doerr, C.R., Stulz, L.W., Levy, D.S., Pafchek, R., Cappuzzo, M., Gomez, L., Wong-Foy, A., Chen, E., Laskowski, E., Bogert, G., Richards, G.

“…We integrated a wavelength-selective cross-connect, de-interleaver, interleaver, power combiner, and variable attenuators on one silica waveguide chip and a…”
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Low Loss Si-SiO 2 -Si 8-nm Slot Waveguides by Pafchek, R M, Li, J, Tummidi, R S, Koch, T L

“…Quasi-transverse-magnetic-mode propagation loss of 1.83 dB/cm at lambda = 1.565 mum is achieved in horizontal Si(amorphous)-SiO sub(2)-Si(crystalline) slot…”
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Low Loss Si-SiO -Si 8-nm Slot Waveguides by Pafchek, R.M., Li, J., Tummidi, R.S., Koch, T.L.

“…Quasi-transverse-magnetic-mode propagation loss of 1.83 dB/cm at lambda = 1.565 mum is achieved in horizontal Si(amorphous)-SiO 2 -Si(crystalline) slot…”
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