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Empowering a qudit-based quantum processor by traversing the dual bosonic ladder
Long B Nguyen1,2, Noah Goss3,4, Karthik Siva5,6
1Department of Physics, University of California, Berkeley, CA, USA. longbnguyen@berkeley.edu.
Nature Communications
|August 19, 2024
Summary
Researchers developed a new method for high-dimensional quantum information processing using qudits (quantum states beyond qubits). This hardware-efficient approach enables advanced quantum operations and entangled states for future quantum technologies.
Area of Science:
- Quantum Information Science
- Solid-State Physics
- Quantum Optics
Background:
- High-dimensional quantum information processing offers advantages over qubit-based systems.
- Developing novel quantum protocols beyond qubit methodologies is crucial for advancing quantum technologies.
Purpose of the Study:
- To present a hardware-efficient and scalable approach for operating multidimensional solid-state systems.
- To enable the construction of extensible multi-qudit operations and realize highly entangled multidimensional states.
Main Methods:
- Utilizing Raman-assisted two-photon interactions for operating multidimensional solid-state systems.
- Implementing programmable entanglement distribution along a qudit array.
Main Results:
- Demonstrated robust, hardware-efficient, and scalable operation of multidimensional solid-state systems.
- Constructed extensible multi-qudit operations and realized atomic squeezed and Schrödinger cat states.
- Implemented programmable entanglement distribution in a qudit array.
Conclusions:
- The study provides a foundational experimental framework for high-dimensional quantum applications.
- Illuminates the quantum electrodynamics of strongly driven multi-qudit systems.
- Paves the way for advancements in quantum sensing and fault-tolerant quantum computing.
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