Design of a Two-Photon Single-Laser Optical Data Storage System in a Multilayer Structure

Qun Hao; Xue Min Cheng; Xin Nan Hou; Jian She Ma

doi:10.4028/www.scientific.net/AMM.764-765.1222

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 764-765Design of a Two-Photon Single-Laser Optical Data...

Design of a Two-Photon Single-Laser Optical Data Storage System in a Multilayer Structure

Abstract:

In this paper, we investigate the two-photon recording system in a 50-layer structure with each recording layer contains 4.7GB of data, similar to the capacity of a single layer Digital Versatile Disc, as the total capacity is 235GB/disc. We present a single-laser system to realize recording and reading and propose a new multilayer disc structure in which the groove structure is set on the substrate for servo control, the laser is separated by a PBS to two parts, one for recording and the other for servo in the optical system. Our research shows the feasibility of high density optical data storage using a single laser in a multilayer structure.

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Periodical:

Applied Mechanics and Materials (Volumes 764-765)

Pages:

1222-1226

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.764-765.1222

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Online since:

May 2015

Authors:

Qun Hao, Xue Min Cheng*, Xin Nan Hou, Jian She Ma

Keywords:

Multilayer Structure, Optical Data Storage, Single-Laser, Two-Photon

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