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08:12
Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
Published on: March 13, 2013
Guiding light in optically induced ring lattices with a low-refractive-index core
Xiaosheng Wang1, Zhigang Chen, Jianke Yang
1Department of Physics and Astronomy, San Francisco State University, California 94132, USA.
Optics Letters
|May 27, 2006
Summary
We created a ring-shaped photonic lattice that guides light like a photonic bandgap fiber. This structure, induced in a crystal, shows potential for novel optical guidance applications.
Area of Science:
- Photonics
- Nonlinear Optics
- Materials Science
Background:
- Photonic lattices guide light, similar to how crystals affect electrons.
- Photonic bandgap fibers offer unique light-guiding properties.
- Self-defocusing nonlinearity is a key optical material property.
Purpose of the Study:
- To demonstrate a novel ring-shaped photonic lattice.
- To investigate light guidance within this lattice structure.
- To explore the underlying mechanisms of optical guidance.
Main Methods:
- Optically inducing a ring lattice in a bulk crystal.
- Utilizing a self-defocusing nonlinear optical material.
- Propagating a linear probe beam through the induced lattice core.
Main Results:
- Successfully created a Bessel-like photonic lattice with a ring structure.
- Observed clear guidance of a linear probe beam through the low-index core.
- The induced lattice mimics properties of a photonic bandgap fiber.
Conclusions:
- The demonstrated ring-shaped photonic lattice enables effective light guidance.
- The findings suggest a new method for creating optical waveguides.
- Further investigation into the guidance mechanism is warranted.
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