scholarly journals A Two-Photon Single-Laser Optical Data Storage System in a Multilayer Structure

2015 ◽  
pp. 1
2015 ◽  
Vol 764-765 ◽  
pp. 1222-1226
Author(s):  
Qun Hao ◽  
Xue Min Cheng ◽  
Xin Nan Hou ◽  
Jian She Ma

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.


1998 ◽  
Vol 37 (Part 1, No. 4B) ◽  
pp. 2279-2280 ◽  
Author(s):  
Nikolay I. Koroteev ◽  
Sergei A. Krikunov ◽  
Sergei A. Magnitskii ◽  
Dmitriy V. Malakhov ◽  
Vladimir V. Shubin

2002 ◽  
Vol 41 (Part 1, No. 3B) ◽  
pp. 1804-1807 ◽  
Author(s):  
Gakuji Hashimoto ◽  
Hiroki Shima ◽  
Kenji Yamamoto ◽  
Tsutomu Maruyama ◽  
Takashi Nakao ◽  
...  

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