Related Experiment Video
Updated: Jun 24, 2026
09:19
Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light
Published on: July 29, 2013
Space-selectively crystallized fiber with second-order optical nonlinearity for variable optical attenuation.
Seiki Ohara1, Hirokazu Masai, Yoshihiro Takahashi
1Asahi Glass Co., Ltd. Research Center, Yokohama, Japan. seiki-ohara@agc.co.jp
Optics Letters
|April 3, 2009
Summary
We created novel glass fibers with a unique crystallized structure using laser irradiation. These electro-optic fibers control light signals with minimal nanowatt power, enabling efficient optical devices.
Area of Science:
- Materials Science
- Optoelectronics
- Nonlinear Optics
Background:
- Glass fibers are crucial in optical communication.
- Controlling light signals efficiently is a key challenge in photonics.
- Nonlinear optical effects in materials offer pathways for advanced optical control.
Purpose of the Study:
- To fabricate novel BaO-TiO2-GeO2-SiO2-based glass fibers.
- To achieve oriented space-selective crystallization within the glass fibers.
- To demonstrate tunable optical attenuation using electro-optical birefringence.
Main Methods:
- Fabrication of glass fibers using a BaO-TiO2-GeO2-SiO2 composition.
- Laser irradiation for inducing oriented space-selective crystallization.
- Application of electric fields to induce electro-optical birefringence changes.
Main Results:
- Successfully fabricated glass fibers with oriented space-selective crystallized structures.
- Demonstrated variable optical attenuation by controlling polarized signal transmittance.
- Achieved electro-optic fiber device operation with extremely low nanowatt electric power dissipation.
Conclusions:
- The developed glass fibers exhibit controllable optical properties via electro-optic effects.
- The unique crystallized structure is key to achieving tunable optical attenuation.
- These findings pave the way for low-power, high-performance electro-optic fiber devices.
