Sriarunothai, Theeraphot: Multi-qubit gates and quantum-enhanced deliberation for machine learning using a trapped-ion quantum processor. 2018
Inhalt
- Zusammenfassung
- Abstract
- Contents
- Introduction
- Quantum Information using Trapped Ions
- Quantum Processor
- The 171Yb+ Qubit
- Ion Trap and Vacuum Recipient
- RF Antenna
- RF Amplification Chain
- Lasers
- Optical Resonator
- Imaging System
- Experimental Control
- Active Magnetic-Field Stabilization
- Environmental Magnetic Field
- Installation of Compensation Coils
- Signal-Locking Module
- Magnetic Field Feedback Loop
- Experimental Trap Parameters
- Experimental Methods
- Ion Loading
- Measurement Structure
- Doppler Cooling
- Sideband Cooling
- Qubit Initialization
- Coherent Qubit Manipulation
- State-Selective Detection
- General Experimental Sequences
- RF-Optical Double-Resonance Spectroscopy
- Rabi Oscillation Measurement
- Ramsey Measurement
- Spin-Echo Pulse
- Dynamical Decoupling Pulses Sequence
- Adaptive Frequency Correction
- Near Ground-State Cooling
- Radio-Frequency Sideband Cooling
- Determination of Motional Excitation for a Single Ion
- Determination of Motional Excitation by Damping of Rabi Oscillation
- Determination of Motional Excitation by Resonance Spectrum
- Optimal Duration of the SBC process
- Cooling of a Single Ion
- Cooling of Two Ions
- Summary of Experimental Results and Outlook
- Investigation of Qubit Dephasing
- Observation of Qubit Dephasing
- Incoherence of Qubit Control
- Fluctuation of Magnetic Field
- Fluctuation of Electric Field
- Ion Localization
- Summary of Investigations and Open Questions
- Investigation of Two-Qubit Gates
- Two-Ion Measurement Methods
- Coherent Operations and Dynamical Decoupling Pulses
- Dynamical Decoupling Pulses and Composite Pulses
- Two-Ion Coherent Dynamics
- Detection Error
- Summary of Results and Outlook
- Quantum-Enhanced Deliberation Process
- Artificial Intelligence
- Projective-Simulation Model
- Reflecting-Projective-Simulation Model
- Rank-One RPS
- The Optimum Number of Diffusion Steps
- General Two-Qubit Rank-One RPS
- Extended Space for Rank-One RPS and Higher Ranks
- Experimental Implementation of Rank-One RPS
- Experimental Results and Discussion
- Summary of Experimental Results and Outlook
- Four-Ion System
- Spin-Spin Couplings of Four Ions
- Bell States in a Four-Qubit System
- Towards Quantum Teleportation
- Teleportation Protocol
- Recoding Qubit Transition
- Bell State and Quantum Memory
- Quantum Teleportation Preliminary Result
- Summary of Experimental Results and Outlook
- Summary and Outlook
- Appendices
- List of Publications
- List of Devices
- Ytterbium Ion
- Simulation Scripts
- Magnetic-Field Sensor
- Feedback Control
- Electronics Files
- Mechanical Drawing
- Technical Information
- Acknowledgments
- Bibliography