Optimized six-dimensional optical storage: a practicable way to large capacity and fast throughputs

Shangqing Liu

doi:10.1117/12.2187505

26 August 2015 Optimized six-dimensional optical storage: a practicable way to large capacity and fast throughputs

Shangqing Liu

Proceedings Volume 9587, Optical Data Storage 2015; 95870E (2015) https://doi.org/10.1117/12.2187505
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

An optimized six-dimensional storage system has been investigated theoretically. The system uses multiple beams to create overlapped micro gratings as each storage cell. The cell capacity depends exponentially on the beam wavelength number. With two-photon absorption writing, coherence tomography reading and superresolving beam focusing, this system has extra-large capacity of >1 Pbyte per DVD sized disk (potential ~60 Pbytes per disk), extra-fast reading speed of >117 Gbits/s with high signal-to-noise ratio of >66 dB, large cell sizes (~0.3μm × 6μm) which greatly reduce data addressing difficulties and a standard drive like structure compatible with the CD and DVD disks.

Citation Download Citation

Shangqing Liu "Optimized six-dimensional optical storage: a practicable way to large capacity and fast throughputs", Proc. SPIE 9587, Optical Data Storage 2015, 95870E (26 August 2015); https://doi.org/10.1117/12.2187505

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