New method of readout signal generation to reduce the adjacent track cross talk

Chong Sam Chung; Tae Kyun Kim; Seung Tae Jung; Chul Woo Lee; Seong Shin Joo; In-Sik Park

doi:10.1117/12.997607

28 June 1999 New method of readout signal generation to reduce the adjacent track cross talk

Chong Sam Chung, Tae Kyun Kim, Seung Tae Jung, Chul Woo Lee, Seong Shin Joo, In-Sik Park

Proceedings Volume 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999; 386423 (1999) https://doi.org/10.1117/12.997607
Event: Optical Data Storage, 1999, Kauai, HI, United States

Abstract

To realize more than 15GB data capacity using blue laser diode, suppression of the adjacent track crosstalk may be one of the key technology. Several methods have been proposed for the adjacent track crosstalk cancellation using 2 beams or 3 beams. Kasazumi et.al. have proposed one method with coaxial dual beams. Although they can reduce the adjacent track crosstalk, it is not easy to get enough optical power from the objective lens for recording. In this paper, we propose new method of the readout signal generation to reduce the adjacent track crosstalk.

Citation Download Citation

Chong Sam Chung, Tae Kyun Kim, Seung Tae Jung, Chul Woo Lee, Seong Shin Joo, and In-Sik Park "New method of readout signal generation to reduce the adjacent track cross talk", Proc. SPIE 3864, Joint International Symposium on Optical Memory and Optical Data Storage 1999, 386423 (28 June 1999); https://doi.org/10.1117/12.997607

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