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Stimulated Stokes and Antistokes Raman Scattering in Microspherical Whispering Gallery Mode Resonators
Published on: April 4, 2016
Influence of micro-joints formed between spheres in coupled-resonator optical waveguide
Tadashi Mitsui1, Tsunenobu Onodera, Yutaka Wakayama
1Nanophysics Group, Surface Physics and Structure Unit, National Institute for Materials Science (NIMS), Sakura 3–13, Tsukuba, Ibaraki 305–0003, Japan. tadashi.mitsui@nims.go.jp
Optics Express
|November 24, 2011
Summary
Researchers simulated light propagation in coupled-resonator optical waveguides (CROWs). Increasing micro-joint diameter in CROWs enhanced optical coupling and controlled light propagation, acting like a throttle valve.
Area of Science:
- Optics
- Materials Science
- Nanotechnology
Background:
- Coupled-resonator optical waveguides (CROWs) are crucial for light manipulation.
- Understanding light propagation dynamics in microsphere systems is essential for optical device development.
Purpose of the Study:
- To simulate and analyze light propagation through polystyrene microsphere-based CROWs.
- To investigate the impact of micro-joints on nanojet-induced mode (NIM) light propagation.
- To explore the potential for controlling light propagation via micro-joint diameter adjustments.
Main Methods:
- Numerical simulation of light propagation in a seven-microsphere CROW system.
- Analysis of optical coupling and light confinement as a function of micro-joint diameter.
- Modeling of nanojet-induced mode (NIM) propagation.
Main Results:
- Micro-joints significantly enhanced optical coupling between polystyrene microspheres in CROWs.
- Light confinement within individual microspheres decreased with increasing micro-joint diameter.
- Nanojet-induced mode (NIM) light propagation was found to be controllable by altering micro-joint size.
Conclusions:
- Micro-joint diameter serves as a tunable parameter to control NIM light propagation in CROWs.
- The findings suggest a 'nanojet throttle valve' mechanism for light control.
- This research offers insights into designing advanced optical waveguide systems.
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