Multilevel optical recording using a blue laser

Yuichi Kadokawa; Akihiko Shimizu; Kohbun Sakagami; Koji Takeuchi; Hiroshi Maekawa; Kazunori Takatsu

doi:10.1117/12.533053

16 September 2003 Multilevel optical recording using a blue laser

Yuichi Kadokawa, Akihiko Shimizu, Kohbun Sakagami, Koji Takeuchi, Hiroshi Maekawa, Kazunori Takatsu

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.533053
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

Abstract

Combining Data Detection using Pattern Recognition (DDPR) with LSB (Least Significant Bit) Limited Modulation (LLM) effectively reduces data errors in a blue laser optical disc system. We confirmed that a recording capacity of 25 GB is feasible for a system by using a laser diode of 405-nm wavelength and a 0.65 numerical aperture objective lens was effective to reduce data errors in a blue laser optical disc system.

Citation Download Citation

Yuichi Kadokawa, Akihiko Shimizu, Kohbun Sakagami, Koji Takeuchi, Hiroshi Maekawa, and Kazunori Takatsu "Multilevel optical recording using a blue laser", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.533053

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