Thermal-induced phase-change ODS and photo-excited bistable state-change DVD-RAM

Ailun Rong; De-yin Huang; Yanwu Lu; Zhonglin Zhang; Luqing Shi; Rui Wang

doi:10.1117/12.251972

20 September 1996 Thermal-induced phase-change ODS and photo-excited bistable state-change DVD-RAM

Ailun Rong, De-yin Huang, Yanwu Lu, Zhonglin Zhang, Luqing Shi, Rui Wang

Proceedings Volume 2890, Optical Recording, Storage, and Retrieval Systems; (1996) https://doi.org/10.1117/12.251972
Event: Photonics China '96, 1996, Beijing, China

Abstract

High density and high data rate are two key points in the development of ODS (optical data storage) which has advanced remarkably in recent years. The aim of this contribution is to report on the migration from CD-E to DVD-RAM by changing: 1) the recording media from heat-mode material to photo-mode material, 2) the recording laser from near infrared to green or blue wavelength, and 3) the recording methods from CD- format to sectorial format and from PPM-RLL to PWM-RLL, where PPM and PWM are pulse position modulation and pulse width modulation respectively, of which all have a potential to achieve an ultrafast recording rate-60ps/bit.

Citation Download Citation

Ailun Rong, De-yin Huang, Yanwu Lu, Zhonglin Zhang, Luqing Shi, and Rui Wang "Thermal-induced phase-change ODS and photo-excited bistable state-change DVD-RAM", Proc. SPIE 2890, Optical Recording, Storage, and Retrieval Systems, (20 September 1996); https://doi.org/10.1117/12.251972

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