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Near-infrared coherent perfect absorption in plasmonic metal-insulator-metal waveguide
- Issue Date
- 21-9월-2015
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.23, no.19, pp.24464 - 24474
- Indexed
- SCIE
SCOPUS
- Journal Title
- OPTICS EXPRESS
- Volume
- 23
- Number
- 19
- Start Page
- 24464
- End Page
- 24474
- ISSN
- 1094-4087
- Abstract
- We propose a design of ultra-compact plasmonic coherent perfect absorber (CPA) working in the near-infrared band. The main operating mechanism is the magnetic-dipole resonant coherent absorption in the metal-insulator-metal waveguide, which enables the CPA in the near-infrared band and can be also flexibly adjusted to place the magnetic-dipole resonance at any position in the near-infrared band. Numerical analysis verifies our proposal that the magnetic resonant CPA is crucial for near-IR CPA in the ultra-compact metal-insulator-metal waveguide. (C) 2015 Optical Society of America
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