The DOI matches its Crossref record; 8 of the 8 references it cites were found in a registry or an index.
High-Dimensional Single-Photon Quantum Gates: Concepts and Experiments
Open accessAbstract
Transformations on quantum states form a basic building block of every quantum information system. From photonic polarization to two-level atoms, complete sets of quantum gates for a variety of qubit systems are well known. For multilevel quantum systems beyond qubits, the situation is more challenging. The orbital angular momentum modes of photons comprise one such high-dimensional system for which generation and measurement techniques are well studied. However, arbitrary transformations for such quantum states are not known. Here we experimentally demonstrate a four-dimensional generalization of the Pauli X gate and all of its integer powers on single photons carrying orbital angular momentum. Together with the well-known Z gate, this forms the first complete set of high-dimensional quantum gates implemented experimentally. The concept of the X gate is based on independent access to quantum states with different parities and can thus be generalized to other photonic degrees of freedom and potentially also to other quantum systems.
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Cites
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Cited by
Photonic quantum information processing: a review
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Qudits and High-Dimensional Quantum Computing
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High‐Dimensional Quantum Communication: Benefits, Progress, and Future Challenges
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Metadata
- Authors
- Babazadeh, A., Erhard, M., Wang, F., Malik, M., Nouroozi, R., Krenn, M., & Zeilinger, A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2017-11-03
- Volume
- 119
- Issue
- 18
- Pages
- 180510-180510
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2625391599
- Cited by
- 229
- References
- 8
- FWCI
- 10.52
- Type
- journal article
- Language
- en
- Open access
- green
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