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Extending the Single-Mode-Operation Radius of the Oxide-VCSEL by Controlling the Thickness and Position of the Oxide-Layer  

김남길 (아주대학교 전자공학부)
김상배 (아주대학교 전자공학부)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SD / v.41, no.9, 2004 , pp. 31-37 More about this Journal
Abstract
We have proposed a design methodology for large active-area single-mode VCSELS, which have higher reliability and output power, and are well-suited for high-speed operation. The key idea underlying the design methodology is to reduce the effective index difference between active and cladding regions by controlling the thickness and position of the oxide layer. The idea is confirmed by the self-consistent effective index method. By placing the oxide layer position properly, we can increase the radius of the oxide aperture for single-mode operation by 3 times.
Keywords
VCSEL; Semiconductor lasers; Single-mode; Oxide-layer; effective index;
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