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1. Total internal reflection optical switch with injection region isolated by oxygen ion implantation

Author

Sun Fr, Zou Zz, Zhuang Wr, Duan Jn, Yang Ps, Gao Jh, and Shi Zw

Subjects
Total internal reflection, Optical fiber, Materials science, Extinction ratio, business.industry, Optical switch, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, law.invention, Wavelength, Optics, Ion implantation, law, Perpendicular, business, Refractive index
Abstract

The characteristics of InGaAsP/InP total internal reflection optical switches were improved by adopting Oxygen ion implantation in forming electrical isolation, which can confine injected carriers successfully and obtain good perpendicular reflective ‘wall” whose transparency is controlled by injected carriers. Operating at 1.3-μm wavelength, the extinction ratio at the reflected port of the optical switch is 18.5 dB at a low injection current of 26 mA and the off-state crosstalk is –18.8 dB.

Published
1996
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