[OPTICAL REVIEW Vol. 16, No. 3 (2009) 326-331]
© 2009 The Optical Society of Japan
Surface Plasmon Polariton Coupling between Nano Recording Marks and their Effect on Optical Read-out Signal
Kuo Pin CHIU1, Kuei Fu LAI1, Shih Chiang YEN1, and Din Ping TSAI1,2,3*
1Department of Physics, National Taiwan University, Taipei 10617, Taiwan, R.O.C.
2Research Center for Applied Sciences, Academia Sinica, Taipei 11529, Taiwan, R.O.C.
3Instrument Technology Reserch Center (ITRC), National Applied Research Laboratories, Hinchu 300, Taiwan, R.O.C.
(Received July 14, 2008; Accepted March 23, 2009)
We use the three-dimensional finite-difference time-domain method to investigate surface plasmon polariton coupling between two nano-recording marks which are of different shapes. The different coupling characteristics and the influence of these coupling effects on the read-out reflection signal will be discussed.
Key words: optical data storage, surface plasmon polariton, near-field coupling, nano-recording mark, 3D FDTD
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