Search Results - "Kwak, Hojeong"

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  1. 1

    Observation of an exceptional point in a two-dimensional ultrasonic cavity of concentric circular shells by Shin, Younghoon, Kwak, Hojeong, Moon, Songky, Lee, Sang-Bum, Yang, Juhee, An, Kyungwon

    Published in Scientific reports (13-12-2016)
    “…We report observation of an exceptional point in circular shell ultrasonic cavities in both theory and experiment. In our theoretical analysis we first observe…”
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    Journal Article
  2. 2

    Nonlinear resonance-assisted tunneling induced by microcavity deformation by Kwak, Hojeong, Shin, Younghoon, Moon, Songky, Lee, Sang-Bum, Yang, Juhee, An, Kyungwon

    Published in Scientific reports (11-03-2015)
    “…Noncircular two-dimensional microcavities support directional output and strong confinement of light, making them suitable for various photonics applications…”
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    Journal Article
  3. 3

    Experimental Observation of Bohr’s Nonlinear Fluidic Surface Oscillation by Moon, Songky, Shin, Younghoon, Kwak, Hojeong, Yang, Juhee, Lee, Sang-Bum, Kim, Soyun, An, Kyungwon

    Published in Scientific reports (25-01-2016)
    “…Niels Bohr in the early stage of his career developed a nonlinear theory of fluidic surface oscillation in order to study surface tension of liquids. His…”
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    Journal Article
  4. 4

    Resonance mode calculations in an acoustic cavity using the boundary element method by Hojeong Kwak, Younghoon Shin, Sang-Bum Lee, Juhee Yang, Songky Moon, Soo-Young Lee, Sang Wook Kim, Jai-Hyung Lee, Kyungwon An

    “…We have performed boundary-element-method (BEM) simulations in a ultrasonic cavity. To confirm the accuracy of our BEM calculation, the BEM results obtained…”
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    Conference Proceeding
  5. 5

    Observation of scar modes in a deformed ultrasonic cavity by Hojeong Kwak, Younghoon Shin, Sang-Bum Lee, Juhee Yang, Songky Moon, Soo-Young Lee, Sang Wook Kim, Jai-Hyung Lee, Kyungwon An

    “…We employ an ultrasonic acoustic cavity in which the pressure field satisfies the same form of Helmholtz equation as the optical field in an optical…”
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    Conference Proceeding
  6. 6

    Visualization of quasi-resonance modes in a deformed ultrasonic cavity by Hojeong Kwak, Younghoon Shin, Sang-Bum Lee, Soo-Young Lee, Jeong-Bo Shim, Sang Wook Kim, Jai-Hyung Lee, Kyungwon An

    “…The spatial mode patterns in an optical microcavity reveal many interesting feature. However, it is not possible to measure these mode patterns directly in…”
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    Conference Proceeding
  7. 7

    Observation of resonance-assisted dynamical tunneling in an asymmetric microcavity by Kwak, Hojeong, Shin, Younghoon, Moon, Songky, An, Kyungwon

    Published 26-05-2013
    “…Scientific Reports 5, article number 9010 (2015) We report the first experimental observation of the resonance-assisted dynamical tunneling (RADT) in the…”
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    Journal Article
  8. 8

    Unperturbed-basis mode interactions via resonance chains in a deformed microcavity by Kwak, Hojeong, Shin, Younghoon, Moon, Songky, An, Kyungwon

    “…Summary form only given. We investigated the interactions among unperturbed-basis modes in an asymmetrical-deformed optical microcavity. We found that the…”
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    Conference Proceeding
  9. 9

    Experimental Observation of Bohr's Nonlinear Fluidic Surface Oscillation by Moon, Songky, Shin, Younghoon, Kwak, Hojeong, Yang, Juhee, Lee, Sang-Bum, Kim, Soyun, An, Kyungwon

    Published 20-04-2015
    “…Scientific Reports 6, 19805 (2016) Niels Bohr in the early stage of his career developed a nonlinear theory of fluidic surface oscillation in order to study…”
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    Journal Article
  10. 10

    Reconstruction of tunnelling emission pattern by using Husimi function by Shin, Younghoon, Moon, Songky, Kwak, Hojeong, Yang, Juhee, An, Kyungwon

    “…Summary form only given. Output directionality of asymmetric optical microcavities has been widely studied revealing many interesting features. Especially the…”
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    Conference Proceeding
  11. 11

    Mode interaction in a circular shell ultrasonic cavity by Kwak, Hojeong, Shin, Younghoon, Yang, Juhee, Moon, Songky, Lee, Soo-Young, An, Kyungwon

    “…Summary form only given. We have studied circular shell ultrasonic cavities immersed in water in both theory and experiment. Calculations show that there exist…”
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    Conference Proceeding