Abstract
A novel multi-dimensional (MD) optical storage was presented, which was realized by utilizing the space between tracks. Based on scalar diffraction theory, the channel bits parameters of the multi-dimensional optical storage were optimized, and the linear and nonlinear signals were analyzed accurately. Therefore, the format of the multi-dimensional optical disc was obtained, which makes the detection of readout signal easier. With respect to servo, coding and readout physics parameter of channel, the multi-dimensional optical disc is compatible with traditional disc such as Blu-ray disc (BD). Also, the novel multi-dimensional optical storage is able to achieve a doubled density and a ten-fold readout data rate compared with traditional optical discs.
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HequnWang received the B.S. degree from Tianjin University, Tianjin, China, in 2007, and the Ph.D. degree from Tsinghua University, Beijing, China, in 2014, all in precision instrument.
From 2007 to 2014, she was with the Optical Memory National Engineering Research Center at Tsinghua University, Beijing. In 2014, she joined National Institute of Metrology, Beijing, where she is now a Research Assistant. Her research interests include nano metrology, read channels, and signal processing.
Jing Pei is an associate professor, doctoral supervisor and vice director with the Optical Memory National Engineering Research Center, Tsinghua University, Beijing, China. He was born in June 1964. He received his Bachelor’s and Master’s degrees in instrument science and technology from Tsinghua University in 1987 and 1989, respectively. He worked for Tsinghua University since 1990. His research interests include optical information storage system, optical signal processing, channel coding and neural network coding methods. He has published over 50 papers in journals and conferences and obtained over 30 invention patents. He won once second prize of national invention award and once second prize of national scientific and technological progress award. Recently, his work is focusing on artificial cognitive memory (ACM) for brain-inspired computing based on neuromorphic engineering. The research work includes information characterization, transfer and codec theory and method in the ACM.
Longfa Pan received the B.S. degree in precision instrument from Tsinghua University, Beijing, China, in 1970.
From 1970 to 1984, he was with Tsinghua University, Beijing. From 1984 to 2014, he was with Optical Memory National Engineering Research Center, Tsinghua University, where he was Director and Professor. His research interests include optical storage and read channels.
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Wang, H., Pei, J. & Pan, L. Optimized multi-dimensional optical storage reading strategy. Front. Optoelectron. 7, 467–474 (2014). https://doi.org/10.1007/s12200-014-0477-4
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DOI: https://doi.org/10.1007/s12200-014-0477-4