Search Results - "Marculescu, A."

Simple all-optical FFT scheme enabling Tbit/s real-time signal processing by Hillerkuss, D, Winter, M, Teschke, M, Marculescu, A, Li, J, Sigurdsson, G, Worms, K, Ben Ezra, S, Narkiss, N, Freude, W, Leuthold, J

“…A practical scheme to perform the fast Fourier transform in the optical domain is introduced. Optical real-time FFT signal processing is performed at speeds…”
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Cascadability and Regenerative Properties of SOA All-Optical DPSK Wavelength Converters by Vorreau, P., Marculescu, A., Wang, J., Bottger, G., Sartorius, B., Bornholdt, C., Slovak, J., Schlak, M., Schmidt, C., Tsadka, S., Freude, W., Leuthold, J.

“…A novel all-optical differential phase-shift keying wavelength converter based on semiconductor optical amplifier nonlinearities is demonstrated in the 25- to…”
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Pattern Effect Removal Technique for Semiconductor-Optical-Amplifier-Based Wavelength Conversion by Jin Wang, Marculescu, A., Jingshi Li, Vorreau, P., Tzadok, S., Ben Ezra, S., Tsadka, S., Freude, W., Leuthold, J.

“…A technique to overcome pattern dependence in semiconductor-optical-amplifier-based wavelength converters is presented. The technique is based on a careful…”
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26 Tbit s−1 line-rate super-channel transmission utilizing all-optical fast Fourier transform processing by Hillerkuss, D., Schmogrow, R., Schellinger, T., Jordan, M., Winter, M., Huber, G., Vallaitis, T., Bonk, R., Kleinow, P., Frey, F., Roeger, M., Koenig, S., Ludwig, A., Marculescu, A., Li, J., Hoh, M., Dreschmann, M., Meyer, J., Ben Ezra, S., Narkiss, N., Nebendahl, B., Parmigiani, F., Petropoulos, P., Resan, B., Oehler, A., Weingarten, K., Ellermeyer, T., Lutz, J., Moeller, M., Huebner, M., Becker, J., Koos, C., Freude, W., Leuthold, J.

“…Optical transmission systems with terabit per second (Tbit s −1 ) single-channel line rates no longer seem to be too far-fetched. New services such as cloud…”
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Dual output SOA based amplifier for PON extenders by Tervonen, A, Mattila, M, Weiershausen, W, von Lerber, T, Parsons, E, Chaouch, H, Marculescu, A, Leuthold, J, Kueppers, F

“…A novel two-output PON amplifier is demonstrated to provide over 8-dB output power budget improvement over a conventional SOA, with negligible ASE noise. With…”
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La Mort dans la litterature francaise du Moyen Age by Marculescu, A.

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Contribution à l’étude clinique des taxons chimiques de l’espèce Chrysanthemum balsamita L by MARCULESCU, A

“…Résumé Ce travail présente une étude clinique sur deux produits dermatopharmaceutiques (lotion de massage et crème de massage) réalisés à base des principes…”
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Single source optical OFDM transmitter and optical FFT receiver demonstrated at line rates of 5.4 and 10.8 Tbit/s by Hillerkuss, D, Schellinger, T, Schmogrow, R, Winter, M, Vallaitis, T, Bonk, R, Marculescu, A, Li, J, Dreschmann, M, Meyer, J, Ben Ezra, S, Narkiss, N, Nebendahl, B, Parmigiani, F, Petropoulos, P, Resan, B, Weingarten, K, Ellermeyer, T, Lutz, J, Moller, M, Huebner, M, Becker, J, Koos, C, Freude, W, Leuthold, J

“…OFDM data with line rates of 5.4 Tbit/s or 10.8 Tbit/s are generated and decoded with a new real-time all-optical FFT receiver. Each of 75 carriers of a comb…”
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Novel optical fast fourier transform scheme enabling real-time OFDM processing at 392 Gbit/s and beyond by Hillerkuss, D, Marculescu, A, Li, J, Teschke, M, Sigurdsson, G, Worms, K, Ben Ezra, S, Narkiss, N, Freude, W, Leuthold, J

“…An optical FFT scheme is implemented and tested at 392 Gbit/s. It enables OFDM signal processing way beyond the bandwidth limits of electronics. The scheme…”
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Linear and nonlinear semiconductor optical amplifiers by Leuthold, J, Bonk, R, Vallaitis, T, Marculescu, A, Freude, W, Meuer, C, Bimberg, D, Brenot, R, Lelarge, F, Duan, G.-H

“…Semiconductor Optical Amplifiers (SOAs) may be designed as linear or nonlinear network elements. We report on recent results that indicate advantageous…”
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Filter Assisted Wavelength Conversion With Quantum-Dot SOAs by Sygletos, S., Bonk, R., Vallaitis, T., Marculescu, A., Vorreau, P., Jingshi Li, Brenot, R., Lelarge, F., Guang-Hua Duan, Freude, W., Leuthold, J.

“…The nonlinear operation regimes of quantum-dot semiconductor optical amplifiers (QD-SOAs) are investigated and the ideal filter providing the best all-optical…”
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Pattern effect removal technique for semiconductor optical amplifier-based wavelength conversion by Marculescu, A, Wang, J, Li, J, Vorreau, P, Zadok, S, Ben Ezra, S, Tsadka, S, Freude, W, Leuthold, J

“…A technique to overcome pattern effects due to slow recovery times in SOA based wavelength converters is presented. It uses the superposition of the outputs of…”
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26Tbits super(-1) line-rate super-channel transmission utilizing all-optical fast Fourier transform processing by Hillerkuss, D, Schmogrow, R, Schellinger, T, Jordan, M, Winter, M, Huber, G, Vallaitis, T, Bonk, R, Kleinow, P, Frey, F, Roeger, M, Koenig, S, Ludwig, A, Marculescu, A, Li, J, Hoh, M, Dreschmann, M, Meyer, J, Ben Ezra, S, Narkiss, N, Nebendahl, B, Parmigiani, F, Petropoulos, P, Resan, B, Oehler, A, Weingarten, K, Ellermeyer, T, Lutz, J, Moeller, M, Huebner, M, Becker, J, Koos, C, Freude, W, Leuthold, J

“…Optical transmission systems with terabit per second (Tbits super(-1)) single-channel line rates no longer seem to be too far-fetched. New services such as…”
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Trends in the field of all-optical wavelength conversion and regeneration for communication up to 160 Gb/s by Leuthold, J, Freude, W, Boettger, G, Wang, J, Vorreau, P, Marculescu, A

“…Regenerative all-optical wavelength converters have matured. In particular single SOA schemes show a performance that is of interest for various pipeline…”
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All-optical vestigial-sideband signal generation and pattern effect mitigation with an SOA based red-shift optical filter wavelength converter by Wang, J., Marculescu, A., Li, J., Zhang, Z., Freude, W., Leuthold, J.

“…We demonstrate 40 Gb/s SOA-based wavelength conversion from a RZ into a vestigial-sideband RZ signal. SOA related pattern effects are successfully suppressed…”
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Optimum filter for wavelength conversion with QD-SOA by Bonk, R., Sygletos, S., Brenot, R., Vallaitis, T., Marculescu, A., Vorreau, P., Li, J., Freude, W., Lelarge, F., Duan, G.H., Leuthold, J.

“…High-quality all-optical wavelength conversion is demonstrated with a single QD-SOA followed by a filter. The operation regimes of QD-SOA are identified. It is…”
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All-optical real-time OFDM transmitter and receiver by Freude, W., Hillerkuss, D., Schellinger, T., Schmogrow, R., Winter, M., Vallaitis, T., Bonk, R., Marculescu, A., Li, J., Dreschmann, M., Meyer, J., Ben Ezra, S., Caspi, M., Nebendahl, B., Parmigiani, F., Petropoulos, P., Resan, B., Oehler, A., Weingarten, K., Ellermeyer, T., Lutz, J., Moller, M., Huebner, M., Becker, J., Koos, C., Leuthold, J.

“…OFDM has emerged as a promising modulation technique in long-haul and access optical networks. The computational complexity of the format can be met with…”
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Efficient Tracking of Moving Targets by Passively Handling Traces in Sensor Networks by Marculescu, A., Nikoletseas, S., Powell, O., Rolim, J.

“…We study the important problem of tracking moving targets in wireless sensor networks. We try to overcome the limitations of standard state of the art tracking…”
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All-optical regeneration by Leuthold, J., Freude, W., Sygletos, S., Bonk, R., Vallaitis, T., Marculescu, A.

“…All-optical regeneration principles and design guidelines for building all-optical regenerators are discussed. In this paper 2R regeneration is introduced as a…”
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New Approaches to Perform All-Optical Signal Regeneration by Leuthold, J., Wang, J., Vallaitis, T., Koos, Ch, Bonk, R., Marculescu, A., Vorreau, P., Sygletos, S., Freude, W.

“…Insights into nonlinear material properties of bulk semiconductor optical amplifiers (SOAs) and novel quantum-dot (QD) SOA nonlinear materials have led to…”
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