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 9 of 9 for “"polarization-entangled photon pairs"”.
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Comparison, optimization, and application of various spontaneous parametric downconversion sources of polarization-entangled photon pairs
… technology makes it possible to create bright entangled-photon sources that can be used on platforms where weight and stability requirements are limiting factors, e.g., on aerial or even space-based mobile platforms, which could allow reconfigurable long-distance transfer of photonic qubits. …
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High-quality source of fiber-coupled polarization-entangled photons at 1.56 [mu]m
… high-quality source of single-mode fibercoupled polarization-entangled photon pairs based on a collinear spontaneous parametric down-conversion process in a bidirectionally pumped periodically-poled potassium titanyl phosphate (PPKTP) crystal inside a polarization Sagnac interferometer at …
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Generation of fiber-coupled, nondegenerate, polarization-entangled photons for quantum communication
The production of polarization-entangled photon pairs from spontaneous parametric downconversion (SPDC) enables many applications of quantum information processing. In this thesis, we use type-0 phase-matched downconversion of pump photons from a 532 nm continuous-wave laser to generate 798 nm …
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Ultrafast sources of entangled photons for quantum information processing
… and metrology. Most of these applications use photons as carriers of quantum information. Therefore, engineering the quantum state of photons is essential for the realization of novel QIP schemes. A practical and flexible technique to generate high-purity entangled photon pairs is spontaneous …
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Testing the limits of nonlocality
… of nonlocality is fundamental to this study, and polarization-entangled photons o er a clean, bright, and stable system for its experimental investigation. This thesis investigates, both experimentally and theoretically, the creation, manipulation, and measurement of polarization-entangled photon …
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High resolution measurement of telecommunication component polarization mode dispersion by means of quantum interferometry
… characterization, and optimized mitigation of polarization mode dispersion (PMD) in order to deliver optimal performance in fiber-optic communication systems. Telecommunication service providers need their system vendors to match the performance of their platforms to the overall system PMD …
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Semiconductor-generated entangled photons for hybrid quantum networks
… in the 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 …
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Site-controlled quantum dots as sources of quantum light
… possible implementations of quantum information, photonics seems to offer many technological advantages, the biggest challenge being the availability of a pure, scalable and integrable source of photons with all the required properties. Epitaxial semiconductor quantum dots (QDs) have been …
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Effiziente Erzeugung verschränkter Photonenpaare
Efficient Generation of Entangled Photon-Pairs The first experiments with correlated photons have been performed in the context of EPR-Bell experiments on the realistic and local properties of quantum mechanics. The source used there produced pairs of polarization entangled photons from a 2-photon …