Search Results - "Portalupi, S L"

Coherence and indistinguishability of highly pure single photons from non-resonantly and resonantly excited telecom C-band quantum dots by Nawrath, C., Olbrich, F., Paul, M., Portalupi, S. L., Jetter, M., Michler, P.

“…The role of resonant pumping schemes in improving the photon coherence is investigated on InAs/InGaAs/GaAs quantum dots (QDs) emitting in the telecom C-band…”
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Near-optimal single-photon sources in the solid state by Somaschi, N., Giesz, V., De Santis, L., Loredo, J. C., Almeida, M. P., Hornecker, G., Portalupi, S. L., Grange, T., Antón, C., Demory, J., Gómez, C., Sagnes, I., Lanzillotti-Kimura, N. D., Lemaítre, A., Auffeves, A., White, A. G., Lanco, L., Senellart, P.

“…The scaling of optical quantum technologies requires efficient, on-demand sources of highly indistinguishable single photons. Semiconductor quantum dots…”
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Deterministic and electrically tunable bright single-photon source by Nowak, A. K., Portalupi, S. L., Giesz, V., Gazzano, O., Dal Savio, C., Braun, P.-F., Karrai, K., Arnold, C., Lanco, L., Sagnes, I., Lemaître, A., Senellart, P.

“…The scalability of a quantum network based on semiconductor quantum dots lies in the possibility of having an electrical control of the quantum dot state as…”
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Probing different regimes of strong field light-matter interaction with semiconductor quantum dots and few cavity photons by Hargart, F, Roy-Choudhury, K, John, T, Portalupi, S L, Schneider, C, Höfling, S, Kamp, M, Hughes, S, Michler, P

“…In this work we present an extensive experimental and theoretical investigation of different regimes of strong field light-matter interaction for cavity-driven…”
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Tuning emission energy and fine structure splitting in quantum dots emitting in the telecom O-band by Höfer, B., Olbrich, F., Kettler, J., Paul, M., Höschele, J., Jetter, M., Portalupi, S. L., Ding, F., Michler, P., Schmidt, O. G.

“…We report on optical investigations of MOVPE-grown InGaAs/GaAs quantum dots emitting at the telecom O-band that were integrated onto uniaxial piezoelectric…”
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Enhancement of room temperature sub-bandgap light emission from silicon photonic crystal nanocavity by Purcell effect by Shakoor, A., Lo Savio, R., Portalupi, S.L., Gerace, D., Andreani, L.C., Galli, M., Krauss, T.F., O'Faolain, L.

“…We report the enhancement of sub-bandgap photoluminescence from silicon via the Purcell effect. We couple the defect emission from silicon, which is believed…”
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Resonance fluorescence of single In(Ga)As quantum dots emitting in the telecom C-band by Nawrath, C., Vural, H., Fischer, J., Schaber, R., Portalupi, S. L., Jetter, M., Michler, P.

“…An emission wavelength around 1550   nm (telecom C-band) is highly appealing for nonclassical light sources, among others, due to the absorption minimum in…”
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Light scattering and Fano resonances in high- Q photonic crystal nanocavities by Galli, M., Portalupi, S. L., Belotti, M., Andreani, L. C., O'Faolain, L., Krauss, T. F.

“…The authors show that light scattering from high- Q planar photonic crystal nanocavities can display Fano-like resonances corresponding to the excitation of…”
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Planar photonic crystal cavities with far-field optimization for high coupling efficiency and quality factor by Portalupi, S L, Galli, M, Reardon, C, Krauss, T F, O'Faolain, L, Andreani, L C, Gerace, D

“…Different types of planar photonic crystal cavities aimed at optimizing the far-field emission pattern are designed and experimentally assessed by resonant…”
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On-chip beamsplitter operation on single photons from quasi-resonantly excited quantum dots embedded in GaAs rib waveguides by Rengstl, U., Schwartz, M., Herzog, T., Hargart, F., Paul, M., Portalupi, S. L., Jetter, M., Michler, P.

“…We present an on-chip beamsplitter operating on a single-photon level by means of a quasi-resonantly driven InGaAs/GaAs quantum dot. The single photons are…”
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Entangling quantum-logic gate operated with an ultrabright semiconductor single-photon source by Gazzano, O, Almeida, M P, Nowak, A K, Portalupi, S L, Lemaître, A, Sagnes, I, White, A G, Senellart, P

“…We demonstrate the unambiguous entangling operation of a photonic quantum-logic gate driven by an ultrabright solid-state single-photon source…”
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Room-temperature emission at telecom wavelengths from silicon photonic crystal nanocavities by Lo Savio, R., Portalupi, S. L., Gerace, D., Shakoor, A., Krauss, T. F., O'Faolain, L., Andreani, L. C., Galli, M.

“…Strongly enhanced light emission at wavelengths between 1.3 and 1.6   μ m is reported at room temperature in silicon photonic crystal (PhC) nanocavities with…”
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Publisher's Note: “On-chip beamsplitter operation on single photons from quasi-resonantly excited quantum dots embedded in GaAs rib waveguides” [Appl. Phys. Lett. 107 , 021101 (2015)] by Rengstl, U., Schwartz, M., Herzog, T., Hargart, F., Paul, M., Portalupi, S. L., Jetter, M., Michler, P.

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Cavity-enhanced two-photon interference using remote quantum dot sources by Giesz, V., Portalupi, S. L., Grange, T., Antón, C., De Santis, L., Demory, J., Somaschi, N., Sagnes, I., Lemaître, A., Lanco, L., Auffèves, A., Senellart, P.

“…Quantum dots in cavities have been shown to be very bright sources of indistinguishable single photons. Yet the quantum interference between two such bright…”
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Deliberate versus intrinsic disorder in photonic crystal nanocavities investigated by resonant light scattering by Portalupi, S. L., Galli, M., Belotti, M., Andreani, L. C., Krauss, T. F., O’Faolain, L.

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A unipolar quantum dot diode structure for advanced quantum light sources by Strobel, T, Weber, J. H, Schmidt, M, Wagner, L, Engel, L, Jetter, M, Wieck, A. D, Portalupi, S. L, Ludwig, A, Michler, P

“…Triggered, indistinguishable, single photons play a central role in various quantum photonic implementations. Here, we realize a novel n$^+-$i$-$n$^{++}$ diode…”
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Novel Unipolar Quantum Dot Diode Structures for Advanced Sources of Quantum Light by Portalupi, S. L., Strobel, T., Weber, J. H., Schmidt, M., Wagner, L., Engel, L., Jetter, M., Wieck, A. D., Ludwig, A., Michler, P.

“…Key elements in photonic quantum technologies and their implementations are triggered sources of single and indistinguishable photons. Among various…”
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Coherence and indistinguishability of highly pure single photons from non-resonantly and resonantly excited telecom C-band quantum dots by Nawrath, C, Olbrich, F, Paul, M, Portalupi, S. L, Jetter, M, Michler, P

“…In the present work, the effect of resonant pumping schemes in improving the photon coherence is investigated on InAs/InGaAs/GaAs quantum dots emitting in the…”
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Novel Dispersion-Adapted Photonic Crystal Cavity With Improved Disorder Stability by Welna, K., Portalupi, S. L., Galli, M., O'Faolain, L., Krauss, T. F.

“…We present a photonic crystal cavity (PhCC) design methodology that is based on systematically engineering the dispersion curve of a PhC line-defect. Our…”
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Cavity-Enhanced Two-Photon Interference using Remote Quantum Dot Sources by Giesz, V, Portalupi, S. L, Grange, T, Antón, C, De Santis, L, Demory, J, Somaschi, N, Sagnes, I, Lemaître, A, Lanco, L, Auffeves, A, Senellart, P

“…Quantum dots in cavities have been shown to be very bright sources of indistinguishable single photons. Yet the quantum interference between two bright quantum…”
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