Numerical simulation of electromagnetic propagation in super-resolution near-field structure

Liqun Sun; Tao Hong; Jia Wang; Qian Tian

doi:10.1117/12.453404

10 January 2002 Numerical simulation of electromagnetic propagation in super-resolution near-field structure

Liqun Sun, Tao Hong, Jia Wang, Qian Tian

Proceedings Volume 4342, Optical Data Storage 2001; (2002) https://doi.org/10.1117/12.453404
Event: Optical Data Storage, 2001, Santa Fe, NM, United States

Abstract

High density optical data storage based on near-field optical super resolution is a new t4echnique that attracts great attention in recent years. Super-resolution near-field structure, glass/SiN/Sb/SiN, a promising structure for near field ultrahigh-density optical storage, has been proposed and investigated since 1998. The recording mark size is a few tens of nanometers, far beyond the diffraction limit of the traditional optics. The mechanism of this Super-RENS including the working principle of the non-linear optical layers and the size reduction of the recording marks has not been clearly understood. In this paper, the electromagnetic propagation in Super-RENS is numerically simulated. The results show that the recording mark size is reduced and the peak intensity increased by the Super-RENS. The mechanisms of the phenomenon is discussed.

Citation Download Citation

Liqun Sun, Tao Hong, Jia Wang, and Qian Tian "Numerical simulation of electromagnetic propagation in super-resolution near-field structure", Proc. SPIE 4342, Optical Data Storage 2001, (10 January 2002); https://doi.org/10.1117/12.453404

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