Multilevel optical data recording methods on phase-change media

doi:10.1088/1009-1963/12/11/310

中国物理B ›› 2003, Vol. 12 ›› Issue (11): 1241-1245.doi: 10.1088/1009-1963/12/11/310

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

Multilevel optical data recording methods on phase-change media

肖家曦, 齐国生, 佘鹏, 刘嵘, 徐端颐

Optical Memory National Engineering Research Center, Department of Precision Instrument and Mechanics, Tsinghua University, Beijing 100084, China

收稿日期:2003-09-06 修回日期:2003-09-30 出版日期:2005-03-16 发布日期:2005-03-16
基金资助:
Project supported by the State Key Development Program For Basic Research of China (Grant No 19990330).

Multilevel optical data recording methods on phase-change media

Xiao Jia-Xi (肖家曦), Qi Guo-Sheng (齐国生), She Peng (佘鹏), Liu Rong (刘嵘), Xu Duan-Yi (徐端颐)

Optical Memory National Engineering Research Center, Department of Precision Instrument and Mechanics, Tsinghua University, Beijing 100084, China

Received:2003-09-06 Revised:2003-09-30 Online:2005-03-16 Published:2005-03-16
Supported by:
Project supported by the State Key Development Program For Basic Research of China (Grant No 19990330).

摘要/Abstract

摘要： Multilevel data storage (ML) is a new method in the optical storage field, which is also a trend for improving the capability of future optical discs. This article introduces several ML methods based on phase-change media including pit depth modulation (PDM) and mark radial width modulation (MRWM). In addition, some disadvantages and advantages concerning the principle of these methods will be discussed. Finally, a new ML method will be advanced, through which the levels in one recording pit will be increased evidently.

Abstract: Multilevel data storage (ML) is a new method in the optical storage field, which is also a trend for improving the capability of future optical discs. This article introduces several ML methods based on phase-change media including pit depth modulation (PDM) and mark radial width modulation (MRWM). In addition, some disadvantages and advantages concerning the principle of these methods will be discussed. Finally, a new ML method will be advanced, through which the levels in one recording pit will be increased evidently.

Key words: multilevel optical data storage, phase-change media

中图分类号: (Optical storage systems, optical disks)

42.79.Vb

42.79.Hp (Optical processors, correlators, and modulators) 42.60.Fc (Modulation, tuning, and mode locking)

肖家曦, 齐国生, 佘鹏, 刘嵘, 徐端颐. Multilevel optical data recording methods on phase-change media[J]. 中国物理B, 2003, 12(11): 1241-1245.

Xiao Jia-Xi (肖家曦), Qi Guo-Sheng (齐国生), She Peng (佘鹏), Liu Rong (刘嵘), Xu Duan-Yi (徐端颐). Multilevel optical data recording methods on phase-change media[J]. Chinese Physics, 2003, 12(11): 1241-1245.

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Multilevel optical data recording methods on phase-change media

Multilevel optical data recording methods on phase-change media

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