High-density multilayer optical disc storage

Isao Ichimura; Tsutomu Maruyama; Junya Shiraishi; Kiyoshi Osato

doi:10.1117/12.685229

22 June 2006 High-density multilayer optical disc storage

Isao Ichimura, Tsutomu Maruyama, Junya Shiraishi, Kiyoshi Osato

Proceedings Volume 6282, Optical Data Storage 2006; 628212 (2006) https://doi.org/10.1117/12.685229
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

High-density multilayer optical disc storage was investigated by employing advanced signal processing methods such as adaptive equalization and adaptive partial-response maximum-likelihood (PRML) detection. Preliminary experiments, recording on single-layer and dual-layer Blu-ray discs (BD), indicate storage capability of 33.3 GB/layer with adaptive 5-tap PRML. A new signal qualification method, sequenced amplitude margin quasi-error estimation (SAMQES), was introduced for high-density multilayer recording, and possibility toward a total storage capacity of 200 GB was examined by using a six-layer BD-Recordable disc. Despite coherent interlayer crosstalk and lower signal-to-noise ratio, SAMQES showed moderate increase from those in single-layer recording.

Citation Download Citation

Isao Ichimura, Tsutomu Maruyama, Junya Shiraishi, and Kiyoshi Osato "High-density multilayer optical disc storage", Proc. SPIE 6282, Optical Data Storage 2006, 628212 (22 June 2006); https://doi.org/10.1117/12.685229

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