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A physical qubit with built-in error correction
- westurner 3y ago"Logical states for fault-tolerant quantum computation with propagating light" (2024) https://dx.doi.org/10.1126/science.adk7560 https://dx.doi.org/10.1126/science.adk7560 "Qubits without qubits" (2024) https://dx.doi.org/10.1126/science.adm9946 https://dx.doi.org/10.1126/science.adm9946
- westurner 3y agoA photonic quantum computer! "Miniaturized technique to generate precise wavelengths of visible laser light" https://news.ycombinator.com/item?id=38497506 https://news.ycombinator.com/item?id=38497506 "Progress on chip-based spontaneous four-wave mixing quantum light sources" (2024) https://news.ycombinator.com/item?id=39244182 https://news.ycombinator.com/item?id=39244182 "Attoscience unveils light-matter hybrid phase in graphite like superconductivity" (2023) https://news.ycombinator.com/item?id=38650723 https://news.ycombinator.com/item?id=38650723
- westurner 3y agoPerhaps this is also useful for photonic quantum computing: "Light unbound: Data limits could vanish with new optical antennas" (2021) https://engineering.berkeley.edu/news/2021/02/light-unbound-optical-topological-antennas/ https://engineering.berkeley.edu/news/2021/02/light-unbound-... : "Photonic quantum Hall effect and multiplexed light sources of large orbital angular momenta" (2021) https://www.nature.com/articles/s41567-021-01165-8 https://www.nature.com/articles/s41567-021-01165-8 : > Our work gives direct access to the infinite number of orbital angular momenta basis elements and will thus enable multiplexed quantum light sources for communication and imaging applications.