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.
Results
Showing 1 to 20 of 55 for “"quantum information science"”.
-
Microstrip Superconducting Quantum Interference Devices for Quantum Information Science
<p>Quantum-limited amplification in the microwave frequency range is of both practical and fundamental importance. The weak signals corresponding to single microwave photons require substantial amplification to resolve. When probing quantum excitations of the electromagnetic field, the substantial …
-
Atomic and molecular ions with photon resonators for quantum information science
… platform for the realization of fault-tolerant quantum information processing (QIP). Much progress with single atomic and molecular ion qubits has been made both in theory and experiment on the fundamental building blocks for scalable QIP architectures. Nonetheless, difficulty still remains for …
-
The study of entangled states in quantum computation and quantum information science
… thesis explores the use of entangled states in quantum computation and quantum information science. Entanglement, a quantum phenomenon with no classical counterpart, has been identified as an important and quantifiable resource in many areas of theoretical quantum information science, including …
-
Development of the Visible Light Photon Counter for Applications in Quantum Information Science
… visible light photon counter (VLPC) is a high quantum efficiency (QE), Si-based, single-photon detector with high gain, low-noise multiplication, low timing jitter, and photon number resolution. While the VLPC has high QE in the visible wavelengths, the QE in the ultraviolet and infrared is low …
-
Applications of single-photon two-qubit quantum logic to the quantum information science
… this thesis, I describe demonstration of various quantum information processing tasks using single-photon two-qubit (SPTQ) quantum logic. As an initial state of those tasks, I used various entangled photon pairs, and I describe development of a polarization entangled photon pair source based on a …
-
Coherent Interactions in Rare-Earth-Ion-Doped Crystals for Applications in Quantum Information Science
… cooled rare-earth-ion-doped crystals for quantum information processing and quantum optics. Several aspects of the coherent interaction between light and rare-earth ions in solids are addressed. Quantum information science has given physicists new views of quantum mechanics. The …
-
Coherent control of electron spins in diamond for quantum information science and quantum sensing
… electron spins in diamond for applications in quantum information processing and quantum sensing. Specifically, optically-detected magnetic resonance measurements are performed on quantum states of single and multiple electronic spins associated with nitrogen-vacancy centers and other …
-
Dynamic and geometric control of electronic spins in diamond for quantum sensing and quantum information science
… system, has emerged as a promising platform for quantum sensing and quantum information science in ambient temperature. Its capability of robust but high-precision spin control allows the NV center to be not only a useful atomic-scale magnetic field sensor but also an attractive building block …
-
Quantum networks : state transmission and network operation
Quantum information science is believed to create the next technological revolution. As key ingredients of quantum information science, quantum networks enable various technologies such as secure communication, distributed quantum sensing, quantum cloud computing, and next-generation positioning, …
-
Exploring Novel Quantum Physics Using Ytterbium-171 in An Optical Cavity
… thesis, I present the development of a cavity quantum electrodynamics (CQED) system using single or multiple ensembles of ytterbium-171 atoms and its use for quantum metrology and quantum information science investigations. We develop and study a unified theoretical framework that describes …
-
Molecular color centers
… enables bottom-up structural control over quantum bits, or qubits, for quantum information science. While molecular platforms may be used to create bespoke qubits for applications from nanoscale sensing to secure communication, such systems generally lack ground state spins capable of …
-
The Algorithmic Cookbook of Quantum Science: Quantum and Classical Recipes for Computation
Since the dawn of science, computation and physics have evolved alongside each other, both driven by a shared quest to solve problems and calculate properties of the natural world. Today, this symbiotic relationship is epitomized in quantum information science, which proposes to use quantum …
-
Investigating photophysics in colloidal semiconductor quantum dots through photon-correlation methods
Colloidal semiconductor quantum dots (QDs) exhibit interesting photophysical properties due to their quantum-confined nature. Due to their bright and stable photoluminescence, they have been widely used in a variety of applications, including lasing, light emitting diodes (LEDs), solar cells, …
-
Bridging the Geometric and Quantum Information of Structured Light
… for preparing and measuring the geometric and quantum information of structured light. The geometric phase acts as a memory of transformations undertaken by physical processes; quantum entanglement underpins quantum information science which explores the theoretical and technological …
-
Operational quantum resource theories : unified framework and applications
A major goal of quantum information science is to understand the relation between the properties of quantum features and the enhancements to information processing tasks enabled by them. In particular, precise quantitative descriptions of quantum phenomena have become increasingly important not …
-
The Generation and Detection of Squeezed Microwave Photons Realized using Traveling-Wave Parametric Amplifiers
… essential metrological technique used to reduce quantum noise in applications spanning gravitational wave detection, biological microscopy, and quantum information science. In circuit quantum electrodynamics, Josephson parametric amplifiers play a crucial role in quantum-limited amplification and …
-
High-quality source of fiber-coupled polarization-entangled photons at 1.56 [mu]m
… wavelength (1.56 [mu]m). A two-photon quantum interference visibility of 97.1% was measured. In addition to the Sagnac source, a linear Mach-Zehnder source at 810 nm was built for the Interdisciplinary Quantum Information Science and Engineering (iQuISE) teaching laboratory, to allow …
-
Super-resolution localization and readout of individual solid-state qubits
A central goal in quantum information science is to establish entanglement across multiple quantum memories in a manner that allows individual control and readout of each constituent qubit. In the area of solid state quantum optics, a leading system is the negatively charged nitrogen vacancy center …
-
Protocols and Devices for Scalable Spin-Photon Quantum Networks
One of the central goals in quantum information science is constructing a quantum network useful for quantum communication, sensing, and computation. Its realization crucially depends on efficient distribution of entanglement. A promising approach entails connecting quantum nodes via photons, which …
-
Tangled Circuits: Characterizing Errors in Experimental Superconducting Quantum Processors
… towards the first generation of error-corrected quantum computers based on physical quantum bits (qubits), researchers require robust techniques for designing, operating, and characterizing coupled multi-qubit systems in the laboratory, and for understanding the errors which arise in such …
Page 1 of 3