Coupling of molecular vibration and metasurface modes for efficient mid-infrared emission

Author:

Nishijima Yoshiaki12ORCID,Morimoto Shinya1,Balčytis Armandas1,Hashizume Tomoki3,Matsubara Ryosuke3,Kubono Atsushi3,To Naoki1,Ryu Meguya4,Morikawa Junko5,Juodkazis Saulius627

Affiliation:

1. Department of Electrical and Computer Engineering, Graduate School of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama, 240-8501, Japan

2. Institute of Advanced Sciences, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501, Japan

3. Graduate School of Integrated Science and Technology, Shizuoka University, Hamamatsu, 432-8011, Japan

4. National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Central 3, 1-1-1, Umezono, Tsukuba, Ibaraki 305-8563, Japan

5. CREST—JST and School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan

6. Optical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials (SEAM), School of Science, Swinburne University of Technology, Hawthorn, VIC 3122, Australia

7. Tokyo Tech World Research Hub Initiative (WRHI), School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan

Abstract

We demonstrate extraordinarily spectrally selective narrowband mid-infrared radiation via coupling of plasmon resonance and molecular vibration. Absorbance and thermal emittance with resonant peak FWHM ≤ 124 nm at λ = 5.73 μm, corresponding to a Q-factor of ∼92.3 were obtained.

Funder

Japan Society for the Promotion of Science

Australian Research Council

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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