期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 24, 期 1, 页码 31-33出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2011.2171942
关键词
Chemical sensing; mid-infrared; perfect absorber; strong coupling
资金
- Air Force Office of Scientific Research Young Investigator Award [FA9550-10-1-0226]
- National Science Foundation [0925542, 0724763, 1102183]
- UMass Lowell GK-12 Waves and Vibes Program [ECCS-0925542, ECCS-0724763, ECCS-1102183]
- Div Of Electrical, Commun & Cyber Sys [1102183] Funding Source: National Science Foundation
We demonstrate strong coupling between a mid-infrared perfect absorber and a molecular absorption resonance embedded in our absorber structure. Anti-crossing behavior is demonstrated as the perfect absorber resonance is tuned through the molecular absorption line, both experimentally and numerically, and is described analytically using a simple coupled harmonic oscillator model. Excellent agreement between experimental, numerical, and analytical results are shown. Such devices offer potential for mid-infrared sensing systems and actively tunable perfect absorber devices.
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