Propagation of Surface Plasmon Polaritons in A Ring Resonator with PT-symmetry

HAN Jin; FAN Yuan-cheng; ZHANG Zheng-ren

doi:10.3788/fgxb20123308.0901

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Propagation of Surface Plasmon Polaritons in A Ring Resonator with PT-symmetry

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- Propagation of Surface Plasmon Polaritons in A Ring Resonator with PT-symmetry
- Chinese Journal of Luminescence Vol. 33, Issue 8, Pages: 901-904(2012)
- 作者机构：
  
  同济大学物理系, 上海 200092
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123308.0901
  CLC： O442
- Received：18 May 2012，
  
  Revised：27 June 2012，
  
  Published：10 August 2012
- 稿件说明：
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韩缙, 樊元成, 张正仁. 表面等离激元在具有PT对称性的环谐振器中的传输[J]. 发光学报, 2012,33(8): 901-904

HAN Jin, FAN Yuan-cheng, ZHANG Zheng-ren. Propagation of Surface Plasmon Polaritons in A Ring Resonator with PT-symmetry[J]. Chinese Journal of Luminescence, 2012,33(8): 901-904
韩缙, 樊元成, 张正仁. 表面等离激元在具有PT对称性的环谐振器中的传输[J]. 发光学报, 2012,33(8): 901-904 DOI： 10.3788/fgxb20123308.0901.

HAN Jin, FAN Yuan-cheng, ZHANG Zheng-ren. Propagation of Surface Plasmon Polaritons in A Ring Resonator with PT-symmetry[J]. Chinese Journal of Luminescence, 2012,33(8): 901-904 DOI： 10.3788/fgxb20123308.0901.

摘要

提出了具有PT对称性的金属-绝缘体-金属波导系统

由两个波导耦合一个环谐振器组成

环谐振器的上臂填充增益介质而下臂填充损耗介质。对表面等离激元在该系统的传输特性进行了研究

结果表明:通过平衡增益介质和损耗介质

PT对称性诱导的透明峰可以被清楚地看到

并且该透明峰具有反相位的特点。

Abstract

We proposed a PT-symmetric metal-insulator-metal waveguide system

in which two waveguides coupled to a ring resonator

one arm of ring resonator was filled with gain medium

the other arm with loss medium. The transmission character of the system was studied. The results showed that

through balancing of gain and loss medium

PT-symmetry induced transparency can be clearly seen

which indicated the transmission peak have an opposite phases.

关键词

Keywords

references

Bender C M, Boettcher S. Real spectra in non-Hermitian Hamiltonians having PT symmetry [J]. Phys. Rev. Lett., 1998, 80(24):5243-5246.

Guo A, Salamo G J, Duchesne D, et al. Observation of PT-symmetry breaking in complex optical potentials [J]. Phys. Rev. Lett., 2009, 103(9):093902-1-4.

Liu L, Yang Q Y, Wang D X, et al. Dielectric barrier discharge deposition of porous silicon based nanoparticle films: The optical emission spectrum and fourier transform infrared spectrum [J]. Chin. J. Lumin.(发光学报), 2010, 31(6):904-907 (in Chinese).

Shin H, Fan S. All-angle negative refraction for surface plasmon waves using a metal-dielectric-metal structure [J]. Phys. Rev. Lett., 2006, 96(7):073907-1-4.

Wang B, Wang G P. Surface plasmon polariton propagation in nanoscale metal gap waveguides [J]. Opt. Lett., 2004, 29(17):1992-1994.

Wang T B, Wen X W, Yin C P, et al. The transmission characteristics of surface plasmon polaritons in ring resonator [J]. Opt. Express, 2009, 17(26):24096-24101.

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