2 ms·

"Terabit-scale high-fidelity diamond data storage" (2024) https://www.nature.com/articles/s41566-024-01573-1 https://www.nature.com/articles/s41566-024-01573-1

"Terabit-scale high-fidelity diamond data storage" (2024) https://www.nature.com/articles/s41566-024-01573-1 https://www.nature.com/articles/s41566-024-01573-1 "Record-breaking diamond storage can save data for millions of years" (2024) https://www.newscientist.com/article/2457948-record-breaking-diamond-storage-can-save-data-for-millions-of-years/ https://www.newscientist.com/article/2457948-record-breaking... : > Previous techniques have also used laser pulses to encode data into diamonds, but the higher storage density afforded by the new method means a diamond optical disc with the same volume as a standard Blu-ray could store approximately 100 terabytes of data – the equivalent of about 2000 Blu-rays – while lasting far longer than a typical Blu-ray’s lifetime of just a few decades.

westurner 2y ago
"Optical data storage breakthrough increases capacity of diamonds by circumventing the diffraction limit" (2023) https://phys.org/news/2023-12-optical-storage-breakthrough-capacity-diamonds.html https://phys.org/news/2023-12-optical-storage-breakthrough-c... : > [...] This is possible by multiplexing the storage in the spectral domain. > "It means that we can store many different images at the same place in the diamond by using a laser of a slightly different color to store different information into different atoms in the same microscopic spots," said Delord, a postdoctoral research associate at CCNY. "If this method can be applied to other materials or at room temperature, it could find its way to computing applications requiring high-capacity storage." [...] > "What we did was control the electrical charge of these color centers very precisely using a narrow-band laser and cryogenic conditions," explained Delord. "This new approach allowed us to essentially write and read tiny bits of data at a much finer level than previously possible, down to a single atom." "Reversible optical data storage below the diffraction limit" (2023) https://www.nature.com/articles/s41565-023-01542-9 https://www.nature.com/articles/s41565-023-01542-9
- westurner 2y ago
  What about storing quantum bits (or qutrits or qudits) in diamond though? "Ask HN: Can qubits be written to crystals as diffraction patterns?" (2023) https://news.ycombinator.com/item?id=38501668 https://news.ycombinator.com/item?id=38501668 : > Aren't diffraction patterns due to lattice irregularities effective wave functions? > Presumably holography would have already solved for quantum data storage if diffraction is a sufficient analog [of] a wave function? "All-optical complex field imaging using diffractive processors" (2024) https://news.ycombinator.com/item?id=40541785 https://news.ycombinator.com/item?id=40541785 ; How to capture phase and intensity with a camera, Huygens-Steiner

westurner 2y ago

"Optical data storage breakthrough increases capacity of diamonds by circumventing the diffraction limit" (2023) https://phys.org/news/2023-12-optical-storage-breakthrough-capacity-diamonds.html https://phys.org/news/2023-12-optical-storage-breakthrough-c... : > [...] This is possible by multiplexing the storage in the spectral domain. > "It means that we can store many different images at the same place in the diamond by using a laser of a slightly different color to store different information into different atoms in the same microscopic spots," said Delord, a postdoctoral research associate at CCNY. "If this method can be applied to other materials or at room temperature, it could find its way to computing applications requiring high-capacity storage." [...] > "What we did was control the electrical charge of these color centers very precisely using a narrow-band laser and cryogenic conditions," explained Delord. "This new approach allowed us to essentially write and read tiny bits of data at a much finer level than previously possible, down to a single atom." "Reversible optical data storage below the diffraction limit" (2023) https://www.nature.com/articles/s41565-023-01542-9 https://www.nature.com/articles/s41565-023-01542-9

westurner 2y ago
What about storing quantum bits (or qutrits or qudits) in diamond though? "Ask HN: Can qubits be written to crystals as diffraction patterns?" (2023) https://news.ycombinator.com/item?id=38501668 https://news.ycombinator.com/item?id=38501668 : > Aren't diffraction patterns due to lattice irregularities effective wave functions? > Presumably holography would have already solved for quantum data storage if diffraction is a sufficient analog [of] a wave function? "All-optical complex field imaging using diffractive processors" (2024) https://news.ycombinator.com/item?id=40541785 https://news.ycombinator.com/item?id=40541785 ; How to capture phase and intensity with a camera, Huygens-Steiner