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19 September 2018 Analysis of filtering and lasing characteristic using plasmonic nanogap resonance effect
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Photonic integrated circuits (PICs) have been a very active research area ever since the inception of integrated optics for the application of the wavelength division multiplexing networks. One of the main size limitations to regular integrated optics based circuits is the weak optical confinement. This makes it very difficult to change the direction of optical waveguides in a very short distance with low loss. Photonic band gap based approaches offer promise of compact waveguide size that can be bent over very rapidly. However, wavelength dependence and the fabrication difficulty remain to be the challenges. On the other hand, advances in nanofabrication and full-wave electromagnetic simulation techniques have permitted the design and realization of a wide variety of plasmonic waveguide structures as excellent candidates for future nanoscale electronic-photonic integrated circuits. In this paper, we reported the nano-gap resonator with the straight waveguide without the ring shape resonator, which is replaced with a straight waveguide, metalic layer, and nano-gap. We investigated the resonant properties of the structure using the FDTD method. The results reveal that the proposed structure has the band stop and lasing characteristic.
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Geum-Yoon Oh, Hyungchan Kim, Youngsun Hong, Jeong Beom Ko, Young Jin Yang, Jaebum Kim, and Choon Keun Park "Analysis of filtering and lasing characteristic using plasmonic nanogap resonance effect", Proc. SPIE 10722, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XVI, 107222V (19 September 2018);

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