Sökning: "Qubit"
Visar resultat 1 - 5 av 57 avhandlingar innehållade ordet Qubit.
1. Building a Bosonic Microwave Qubit
Sammanfattning : Superconducting circuits is a promising platform for quantum computing. Quantum information is usually stored in discrete two-level qubits e.g. in transmon qubits. LÄS MER
2. Controllable coupling of superconducting qubits and implementation of quantum gate protocols
Sammanfattning : The concept of a quantum computer was invented in the beginning of the 1980s as a quantum generalization of the reversible classical computer. After discoveries in the middle of the 1990s of quantum algorithms, which wouldsolve some problems considered intractable for classical computers, the field of quantum computing has developed rapidly. LÄS MER
3. Theoretical investigation of coupled superconducting qubits
Sammanfattning : .... LÄS MER
4. Fast-tunable resonators and quantum electrical circuits
Sammanfattning : In this thesis, measurements on superconducting electrical circuits that exhibit quantum mechanical effects are presented. Nonlinear superconducting circuits can be regarded as artificial atoms with energy spectra that can be engineered. The artificial atoms can be used as quantum bits for quantum computation. LÄS MER
5. Low-Power HEMT LNAs for Quantum Computing
Sammanfattning : The rapid development of quantum computing technology predicts much more qubits to handle in the detection, readout, and amplification of qubits than in today's system. Due to the limited cooling capability of the dilution refrigerator, the current low-noise amplifiers (LNAs) are in need of ten to hundred times reduced dc power consumption yet with lowest noise temperature at qubit readout frequencies, typcially 4-12 GHz. LÄS MER