Search Results - "Zopf, Michael"

Highly-efficient extraction of entangled photons from quantum dots using a broadband optical antenna by Chen, Yan, Zopf, Michael, Keil, Robert, Ding, Fei, Schmidt, Oliver G.

“…Many quantum photonic technologies require the efficient generation of entangled pairs of photons, but to date there have been few ways to produce them…”
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Solid-state ensemble of highly entangled photon sources at rubidium atomic transitions by Keil, Robert, Zopf, Michael, Chen, Yan, Höfer, Bianca, Zhang, Jiaxiang, Ding, Fei, Schmidt, Oliver G.

“…Semiconductor InAs/GaAs quantum dots grown by the Stranski–Krastanov method are among the leading candidates for the deterministic generation of…”
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Wavelength-tunable entangled photons from silicon-integrated III–V quantum dots by Chen, Yan, Zhang, Jiaxiang, Zopf, Michael, Jung, Kyubong, Zhang, Yang, Keil, Robert, Ding, Fei, Schmidt, Oliver G.

“…Many of the quantum information applications rely on indistinguishable sources of polarization-entangled photons. Semiconductor quantum dots are among the…”
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High efficiency grating couplers for strain tunable GaAs quantum dot based entangled photon sources by Schmidt, Constantin, Ma, Chenxi, Benthin, Frederik, Yang, Jingzhong, Rugeramigabo, Eddy P., Zopf, Michael, Ding, Fei

“…The on-chip integration of single photon and entangled photon emitters such as epitaxially grown semiconductor quantum dots into photonic frameworks is a…”
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Electric-Field-Induced Energy Tuning of On-Demand Entangled-Photon Emission from Self-Assembled Quantum Dots by Zhang, Jiaxiang, Zallo, Eugenio, Höfer, Bianca, Chen, Yan, Keil, Robert, Zopf, Michael, Böttner, Stefan, Ding, Fei, Schmidt, Oliver G

“…We explore a method to achieve electrical control over the energy of on-demand entangled-photon emission from self-assembled quantum dots (QDs). The device…”
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High-rate intercity quantum key distribution with a semiconductor single-photon source by Yang, Jingzhong, Jiang, Zenghui, Benthin, Frederik, Hanel, Joscha, Fandrich, Tom, Joos, Raphael, Bauer, Stephanie, Kolatschek, Sascha, Hreibi, Ali, Rugeramigabo, Eddy Patrick, Jetter, Michael, Portalupi, Simone Luca, Zopf, Michael, Michler, Peter, Kück, Stefan, Ding, Fei

“…Quantum key distribution (QKD) enables the transmission of information that is secure against general attacks by eavesdroppers. The use of on-demand quantum…”
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Local droplet etching on InAlAs/InP surfaces with InAl droplets by Cao, Xin, Zhang, Yiteng, Ma, Chenxi, Wang, Yinan, Brechtken, Benedikt, Haug, Rolf J., Rugeramigabo, Eddy P., Zopf, Michael, Ding, Fei

“…GaAs quantum dots (QDs) grown by local droplet etching (LDE) have been studied extensively in recent years. The LDE method allows for high crystallinity, as…”
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Single Photons On-Demand from Light-Hole Excitons in Strain-Engineered Quantum Dots by Zhang, Jiaxiang, Huo, Yongheng, Rastelli, Armando, Zopf, Michael, Höfer, Bianca, Chen, Yan, Ding, Fei, Schmidt, Oliver G

“…We demonstrate for the first time on-demand and wavelength-tunable single-photon emission from light-hole (LH) excitons in strain engineered GaAs quantum dots…”
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Entanglement Swapping with Semiconductor-Generated Photons Violates Bell’s Inequality by Zopf, Michael, Keil, Robert, Chen, Yan, Yang, Jingzhong, Chen, Disheng, Ding, Fei, Schmidt, Oliver G.

“…Transferring entangled states between photon pairs is essential in quantum communication. Semiconductor quantum dots are the leading candidate for generating…”
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Unveiling the 3D Morphology of Epitaxial GaAs/AlGaAs Quantum Dots by Zhang, Yiteng, Grünewald, Lukas, Cao, Xin, Abdelbarey, Doaa, Zheng, Xian, Rugeramigabo, Eddy Patrick, Verbeeck, Johan, Zopf, Michael, Ding, Fei

“…Strain-free GaAs/AlGaAs semiconductor quantum dots (QDs) grown by droplet etching and nanohole infilling (DENI) are highly promising candidates for the…”
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A Solid-State Source of Single and Entangled Photons at Diamond SiV-Center Transitions Operating at 80K by Cao, Xin, Yang, Jingzhong, Fandrich, Tom, Zhang, Yiteng, Rugeramigabo, Eddy P., Brechtken, Benedikt, Haug, Rolf J., Zopf, Michael, Ding, Fei

“…Large-scale quantum networks require the implementation of long-lived quantum memories as stationary nodes interacting with qubits of light. Epitaxially grown…”
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Temperature-Dependent Coercive Field Measured by a Quantum Dot Strain Gauge by Chen, Yan, Zhang, Yang, Keil, Robert, Zopf, Michael, Ding, Fei, Schmidt, Oliver G

“…Coercive fields of piezoelectric materials can be strongly influenced by environmental temperature. We investigate this influence using a heterostructure…”
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Quantum dot-based broadband optical antenna for efficient extraction of single photons in the telecom O-band by Yang, Jingzhong, Nawrath, Cornelius, Keil, Robert, Joos, Raphael, Zhang, Xi, Höfer, Bianca, Chen, Yan, Zopf, Michael, Jetter, Michael, Luca Portalupi, Simone, Ding, Fei, Michler, Peter, Schmidt, Oliver G.

“…Long-distance fiber-based quantum communication relies on efficient non-classical light sources operating at telecommunication wavelengths. Semiconductor…”
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Circular photonic crystal grating design for charge-tunable quantum light sources in the telecom C-band by Ma, Chenxi, Yang, Jingzhong, Li, Pengji, Rugeramigabo, Eddy P, Zopf, Michael, Ding, Fei

“…Efficient generation of entangled photon pairs at telecom wavelengths is a key ingredient for long-range quantum networks. While embedding semiconductor…”
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Single photon emission from ODT passivated near-surface GaAs quantum dots by Cao, Xin, Yang, Jingzhong, Li, Pengji, Zhang, Yiteng, Rugeramigabo, Eddy P., Brechtken, Benedikt, Haug, Rolf J., Zopf, Michael, Ding, Fei

“…Epitaxially grown semiconductor quantum dots are promising candidates for pure single photon and polarization-entangled photon pair emission. Excellent optical…”
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Upconversion photoluminescence of epitaxial Yb3+/Er3+ codoped ferroelectric Pb(Zr,Ti)O3 films on silicon substrates by Zhang, Yang, Kämpfe, Thomas, Bai, Gongxun, Mietschke, Michael, Yuan, Feifei, Zopf, Michael, Abel, Stefan, Eng, Lukas M., Hühne, Ruben, Fompeyrine, Jean, Ding, Fei, Schmidt, Oliver G.

“…Thin films of Yb3+/Er3+ codoped Pb(Zr,Ti)O3 (PZT:Yb/Er) have been epitaxially grown on the SrTiO3 buffered Si wafer by pulsed laser deposition. Strong…”
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Circular photonic crystal grating design for charge-tunable quantum light sources in the telecom C-band by Ma, Chenxi, Yang, Jingzhong, Li, Pengji, Rugeramigabo, Eddy P, Zopf, Michael, Ding, Fei

“…Opt. Express 32, 14789-14800 (2024) Efficient generation of entangled photon pairs at telecom wavelengths is a key ingredient for long-range quantum networks…”
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Unveiling the 3D Morphology of Epitaxial GaAs/AlGaAs Quantum Dots by Zhang, Yiteng, Gruenewald, Lukas, Cao, Xin, Abdelbarey, Doaa, Zheng, Xian, Rugeramigabo, Eddy P, Verbeeck, Johan, Zopf, Michael, Ding, Fei

“…Strain-free GaAs/AlGaAs semiconductor quantum dots (QDs) grown by droplet etching and nanohole infilling (DENI) are highly promising candidates for the…”
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A solid-state source of single and entangled photons at diamond SiV$^-$-center transitions operating at 80K by Cao, Xin, Yang, Jingzhong, Fandrich, Tom, Zhang, Yiteng, Rugeramigabo, Eddy P, Brechtken, Benedikt, Haug, Rolf J, Zopf, Michael, Ding, Fei

“…Large-scale quantum networks require the implementation of long-lived quantum memories as stationary nodes interacting with qubits of light. Epitaxially grown…”
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Photoneutralization of charges in GaAs quantum dot based entangled photon emitters by Yang, Jingzhong, Fandrich, Tom, Benthin, Frederik, Keil, Robert, Sharma, Nand Lal, Nie, Weijie, Hopfmann, Caspar, Schmidt, Oliver G, Zopf, Michael, Ding, Fei

“…Physical Review B 105, 115301 (2022) Semiconductor-based emitters of pairwise photonic entanglement are a promising constituent of photonic quantum…”
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