Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 6 of 6 for “"polarization-entanglement"”.
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Polarization entanglement storage in ensemble-based atomic memories
… require, in advance, the robust distribution of entanglement between relevant parties. Engineering these networks requires quantum interconnects, which convert quantum states in one physical system to those of another reversibly, and with high fidelity. In this thesis, we describe implementations …
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Nonlinear Interferometers for Quantum Information Processing and Metrology
… NLI, biphoton properties in both frequency and polarization DoFs can be tuned (simultaneously or separately). Variants of all-fiber NLIs, consisting of periodically-poled silica fibers as the nonlinear media, which generate biphotons, and a single-mode fiber with an inline polarization …
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Single-photon frequency upconversion for long-distance quantum teleportation and communication
Entanglement generation, single-photon detection, and frequency translation that preserves the polarization quantum state of the photons are essential technologies for long distance quantum communication protocols. This thesis investigates the application of polarization entanglement to quantum …
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Efficient superconducting-nanowire single-photon detectors and their applications in quantum optics
… channel. This system has enabled high-quality polarization-entanglement distribution at the wavelength of 1.3 tm. The 99.2% visibility in Hong-Ou-Mandel (HOM) interference measured in this experiment is the highest HOM visibility that has ever been reported for waveguide-based photon-pair …
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Effiziente Erzeugung verschränkter Photonenpaare
… The source used there produced pairs of polarization entangled photons from a 2-photon decay of Calcium atoms. The technical requirements of these experiments were high (vacuum systems, stronge dye-lasers, etc.) whereas the efficiency of the source was quite low. An important step forward …
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Semiconductor-generated entangled photons for hybrid quantum networks
… deterministic generation of single photons and polarization entangled photon pairs are semiconductor InAs/GaAs quantum dots grown by the Stranski-Krastanov method. Despite remarkable progress in the last twenty years, complex quantum optical protocols could not be realized due to low degree of …