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 20 of 35 for “"Quantum Memory"”.
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Atomic quantum memory for photon polarization
… the efficient storage and retrieval of quantum information in the form of single photons. We use a photon that has scattered into the cavity mode to herald a successful creation of a collective excitation of Cesium atoms and hence our ability to retrieve a photon from the stored …
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Optimal Control Protocols for Quantum Memory Network Applications
Quantum networks play an indispensable role in quantum information tasks such as secure communications, enhanced quantum sensing, and distributed computing. In recent years several platforms are being developed for such tasks, witnessing breakthrough technological advancement in terms of …
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Designing stoichiometric Eu3+ materials for dense, optically addressable quantum memory
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-12-01
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Stoichiometric rare-earth materials at cryogenic temperatures as a platform for quantum memory devices
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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New opportunities for photon storage and detection: an exploration of a high-efficiency optical quantum memory and the quantum capabilities of the human eye
The field of quantum information has grown in recent years, due to tremendous technological advancements toward quantum networking and quantum computation. Nevertheless, there is still a great need for creative research that explores possibilities for new capabilities. Particularly, we look towards …
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Investigation of quantum information storage in rare earth doped materials
Following the explosion of interest in quantum information processing the field has now reached the point where a quantum memory is becoming a real necessity for further improvements. A quantum memory is fundamentally different from a classical memory due to the "Superposition" principle. Unlike …
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Investigation of quantum information storage in rare earth doped materials
Following the explosion of interest in quantum information processing the field has now reached the point where a quantum memory is becoming a real necessity for further improvements. A quantum memory is fundamentally different from a classical memory due to the "Superposition" principle. Unlike …
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Topics in quantum information theory and quantum many-body physics
… two results relating to the intersection between quantum information theory and quantum many-body physics. The first pertains to quantum algorithms, where few computational problems are believed to exhibit exponential separation between quantum and classical performance. For those that are, …
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Advanced Quantum Communication Systems
… we have improved several resources for quantum communication and quantum computing. Specifically, we have developed improved sources of polarization-entangled photons, a low-loss quantum memory for polarization qubits, and a quantum random number generator. These tools may be applied to …
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Optomechanical Spin-Photon Interface in Wide-Bandgap Materials
The quantum internet—an interconnected network that can distribute and store quantum states—is required to develop the next generation of quantum technologies, such as unconditional secure communication, enhanced metrology, and distributed quantum computing. A key challenge for the distributed …
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Towards ultrafast quantum processing: generation and storage of ultrafast photonic quantum states
… technology that operates on the principles of quantum mechanics and quantum information theory. I motivate the use of single photons as the quantum particles of choice for this task, and I describe the open challenges facing the field of researchers embarking on this quest. This motivation …
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Quantum assisted sensing, simulation and control
… aims of improving and advancing techniques of quantum metrology, simulation and control. Towards this goal, we engineer novel devices for quantum sensing, particularly the measurement of rotations, magnetic fields, and single spins towards the reconstruction of single-molecule structures. We …
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Large-Scale Characterization of Quantum Emitters in High-Purity Diamond
Solid state quantum memories, such as color centers in diamond, are a leading platform for the distribution of quantum information. Quantum repeaters will require many qubit registers at every quantum network node, each with long-lived spin states and high-quality single photon emissions. Here, we …
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Plasmonics for On-Chip Photodetectors and Light Sources
<p>Quantum emitters and thermal photodetectors serve as key building blocks for future quantum information and sensing systems. Their properties can be significantly enhanced by integrating them with nanostructured elements, tailoring their interactions with incident optical fields. Quantum …
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Solid-state photonic interfaces using semiconductor quantum dots
New technologies based on the properties of quantum mechanics promise to revolutionise the way information is processed by outperforming what is possible using classical devices. Examples include massively parallel processing using quantum computers, verifiably secure communication using quantum …
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Detection and estimation of quantum channel capacities
This thesis investigates the subject of quantum channel capacities and is composed of two parts. 1. Detecting positive quantum capacities of quantum channels Determining whether a noisy quantum channel can be used to reliably transmit qubits at a non-zero rate is a challenging problem, since it …
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Majorana-based Topological Quantum Algorithms in Magnet-Superconductor Hybrid Structures
… ingredient for the realization of fault-tolerant quantum computing and topologically protected quantum devices. Magnet-superconductor hybrid (MSH) systems have proven to be an experimentally versatile platform for quantum engineering the emergence of topological superconductivity and the …
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Non-suspended optomechanical cavities
… radiation pressure are powerful tools for quantum information transduction, for example between a quantum system used by a quantum computer or quantum memory and a quantum system used by a quantum communication network. Cavity optomechanics enhances photon-phonon interactions by …
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Long-distance quantum communication with neutral atoms
… performance analyses for a variety of quantum communication/computation systems that have the common feature of employing neutral atoms for storage/processing and photons for qubit transmission. For most of these systems, there is a lack of a precise performance analysis to enable a …
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Fundamentals of Quantum Communication Networks: Scalability, Efficiency, and Distributed Quantum Machine Learning
The future quantum Internet (QI) will transform today's communication networks and user experiences by providing unparalleled security levels, superior quantum computational powers, along with enhanced sensing accuracy and data processing capabilities. These features will be enabled through …
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