A new wide-band laser noise cancel technique

Yoshio Fukutomi; Toru Nagara; Dong Zheng; Yang Zhao; Takashi Toyooka; Sandy Fairgrieve

doi:10.1117/12.692299

22 June 2006 A new wide-band laser noise cancel technique

Yoshio Fukutomi, Toru Nagara, Dong Zheng, Yang Zhao, Takashi Toyooka, Sandy Fairgrieve

Proceedings Volume 6282, Optical Data Storage 2006; 62821G (2006) https://doi.org/10.1117/12.692299
Event: Optical Data Storage 2006, 2006, Montréal, Canada

Abstract

We propose a new wide-band laser noise cancel technique which is especially effective in Blu-ray Disc system because of its laser noise increasing compared with conventional optical disc systems. Laser noise cancellation method has already been available, but it is difficult to extend the noise suppression bandwidth for high-speed reading. So we examined the realization possibility of wide-band noise canceling and developed a new photo diode IC (PDIC) with noise cancel function based on our principle examinations. Big advantages in respect of the cost and space are expected to be obtained by adopting this technology.

Citation Download Citation

Yoshio Fukutomi, Toru Nagara, Dong Zheng, Yang Zhao, Takashi Toyooka, and Sandy Fairgrieve "A new wide-band laser noise cancel technique", Proc. SPIE 6282, Optical Data Storage 2006, 62821G (22 June 2006); https://doi.org/10.1117/12.692299

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