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Near-Field Analysis of Micro-Aperture Surface Emitting Laser for High Density Optical Data Storage |
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| Authors: | Satoshi Shinada Fumio Koyama Kouichi Suzuki Kenya Goto Kenichi Iga |
| Affiliation: | (1) Precision & Intelligence Laboratory, Tokyo Institute of Technology, 4259, Nagatsuta, Midori-ku, Yokohama 226-8503, Japan;(2) Tokai University, Nishino 317, Numazu, Shizuoka 410-0321, Japan |
| Abstract: | We present the design of a novel metal micro-aperture surface emitting laser for tera byte optical data storage. The field distribution near micro-aperture is calculated by 2-dimensional finite element method, and it is shown that a spot size as narrow as 100 nm beyond a diffraction limit is obtainable. |
| Keywords: | optical memory near field optics semiconductor laser VCSEL 2-dimensional finite element method (2-D FEM) |
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