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 136 for “"quantum information processing"”.
-
Practicality of Quantum Information Processing
Quantum Information Processing (QIP) is expected to bring revolutionary enhancement to various technological areas. However, today's QIP applications are far from being practical. The problem involves both hardware issues, i.e., quantum devices are imperfect, and software issues, i.e., the …
-
Reservoir engineering for quantum information processing
This thesis concerns possible implementations of quantum computing schemes and tries to overcome some standard limitations. The central result is a technique we call reservoir engineering that is applied to optical cavity QED based quantum computing. The usual problem for quantum computing with …
-
Quantum information processing in continuous time
Quantum mechanical computers can solve certain problems asymptotically faster than any classical computing device. Several fast quantum algorithms are known, but the nature of quantum speedup is not well understood, and inventing new quantum algorithms seems to be difficult. In this thesis, we …
-
Experimental implementations of quantum information processing
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2000.
-
Architectures for photon-mediated quantum information processing
In this thesis, I present architectures for quantum information processing where photons are used as the quantum bit (qubit) or for mediating entanglement between other qubits. The emphasis of this research is to simplify the basic building blocks required in such processors. The all-photonic …
-
Quantum information processing in multi-spin systems
… in multi-spin systems are valuable resources for quantum information processing. In this thesis, I explore the manipulation of quantum information in complex multi-spin systems, with particular reference to Nuclear Magnetic Resonance implementations. In systems with a few spins, such as molecules …
-
Nonlinear Interferometers for Quantum Information Processing and Metrology
… is always a challenging task in the field of quantum information processing. This arises from the fact that generating such biphoton state puts many constrains on the design and fabrication of the biphoton sources. In this thesis, I propose a novel common-path nonlinear interferometer (NLI) to …
-
Flux-tunable superconducting transmons for quantum information processing
… using flux-tunable transmon qubits for quantum information processing. These qubits are designed with different levels of Josephson junction asymmetry. The first two chapters of this thesis will introduce the reader to superconducting qubits and circuit quantum electrodynamics. I will …
-
Quantum Information Processing using the Power-of-SWAP
… with the realization of the SWAP^1/n quantum operator, in quantum information processing. We study the generation, characterization and application of entanglement in such systems. Given the non-commutativity of neighbouring SWAP^1/n gates, the mathematical study of combinations of …
-
Towards quantum information processing with diamond color centers
… requirements summarize the key properties that quantum systems should have to be useful for quantum computing. The work in this thesis focuses on one of the leading solid-state quantum systems, the nitrogen vacancy (NV) center in diamond. The NV has emerged as an excellent quantum sensor, in …
-
Quantum Information Processing with Continuous Variables and Atomic Ensembles
Quantum information theory promises many advances in science and technology. This thesis presents three different results in quantum information theory. The first result addresses the theoretical foundations of quantum metrology. It is now well known that quantum-enhanced metrology promises …
-
Diamond nanophotonic devices for quantum information processing and sensing
… emerged as a promising solid state system for quantum information processing and sensing applications. However, using NV centers to build up quantum networks for these applications faces several challenges, such as the lack of efficient interface between NVs and photons, difficulty of …
-
Programmable nanophotonics for quantum information processing and artificial intelligence
… technologies approach their scaling limits. Quantum computing and non-Von Neumann computing architectures have emerged as promising alternatives for continued computational advancement-garnering significant investment and public interest. As a hardware platform, silicon photonics may play an …
-
Ultrafast sources of entangled photons for quantum information processing
Recent advances in quantum information processing (QIP) have enabled practical applications of quantum mechanics in various fields such as cryptography, computation, and metrology. Most of these applications use photons as carriers of quantum information. Therefore, engineering the quantum state of …
-
Towards integrated silicon photonic architectures for quantum information processing
… is a highly-promising platform for on-chip quantum information processing. Linear optical quantum computing architectures necessitate the implementation of integrated single photon sources, passive and active optics, and single photon detectors. This thesis presents the development of a …
-
Integration of Advanced Optics for Trapped Ion Quantum Information Processing
… ion systems are the leading candidate for quantum information processing because many of the critical components have already been demonstrated. Scaling trapped ion systems to large numbers of ions is currently believed possible, but much work remains to prove it. Microfabricated surface …
-
Pure sources and efficient detectors for optical quantum information processing
Over the last sixty years, classical information theory has revolutionized the understanding of the nature of information, and how it can be quantified and manipulated. Quantum information processing extends these lessons to quantum systems, where the properties of intrinsic uncertainty and …
-
Optimized resources for efficient optical quantum information processing and sensing
… resources in facilitating efficient optical quantum information processing and sensing. Three key applications are considered: quantum interferometry, detector characterization, and multi-photon processing. For each application, we examine the underlying quantum resource states and quantum …
-
The silicon-vacancy centre in diamond for quantum information processing
… defects in solids offer access to atom-like quantum properties without complex trapping methods while displaying a rich physics due to interactions with their solid-state environment. Such properties have made them an advantageous building block for quantum information processing, in …
Page 1 of 7