Search Results - "Kwak, Hojeong"
-
1
Observation of an exceptional point in a two-dimensional ultrasonic cavity of concentric circular shells
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…”
Get full text
Journal Article -
2
Nonlinear resonance-assisted tunneling induced by microcavity deformation
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…”
Get full text
Journal Article -
3
Experimental Observation of Bohr’s Nonlinear Fluidic Surface Oscillation
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…”
Get full text
Journal Article -
4
Resonance mode calculations in an acoustic cavity using the boundary element method
Published in 2010 12th International Conference on Transparent Optical Networks (01-06-2010)“…We have performed boundary-element-method (BEM) simulations in a ultrasonic cavity. To confirm the accuracy of our BEM calculation, the BEM results obtained…”
Get full text
Conference Proceeding -
5
Observation of scar modes in a deformed ultrasonic cavity
Published in 2009 11th International Conference on Transparent Optical Networks (01-06-2009)“…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…”
Get full text
Conference Proceeding -
6
Visualization of quasi-resonance modes in a deformed ultrasonic cavity
Published in 2008 10th Anniversary International Conference on Transparent Optical Networks (01-06-2008)“…The spatial mode patterns in an optical microcavity reveal many interesting feature. However, it is not possible to measure these mode patterns directly in…”
Get full text
Conference Proceeding -
7
Observation of resonance-assisted dynamical tunneling in an asymmetric microcavity
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…”
Get full text
Journal Article -
8
Unperturbed-basis mode interactions via resonance chains in a deformed microcavity
Published in 2012 14th International Conference on Transparent Optical Networks (ICTON) (01-07-2012)“…Summary form only given. We investigated the interactions among unperturbed-basis modes in an asymmetrical-deformed optical microcavity. We found that the…”
Get full text
Conference Proceeding -
9
Experimental Observation of Bohr's Nonlinear Fluidic Surface Oscillation
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…”
Get full text
Journal Article -
10
Reconstruction of tunnelling emission pattern by using Husimi function
Published in 2011 13th International Conference on Transparent Optical Networks (01-06-2011)“…Summary form only given. Output directionality of asymmetric optical microcavities has been widely studied revealing many interesting features. Especially the…”
Get full text
Conference Proceeding -
11
Mode interaction in a circular shell ultrasonic cavity
Published in 2011 13th International Conference on Transparent Optical Networks (01-06-2011)“…Summary form only given. We have studied circular shell ultrasonic cavities immersed in water in both theory and experiment. Calculations show that there exist…”
Get full text
Conference Proceeding