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http://dx.doi.org/10.3807/KJOP.2003.14.1.092

Estimation of optical losses in dielectric apertured terahertz vertical cavity lasers  

유영훈 (제주대학교 물리학과, 기초과학연구소)
Publication Information
Korean Journal of Optics and Photonics / v.14, no.1, 2003 , pp. 92-96 More about this Journal
Abstract
Dielectric apertures in vertical cavity laser have been used for improved device performance. Numerical analysis is used to estimate the optical losses as the aperture diameter is reduced. The optical losses depend on the aperture size, thickness and location. The optical loss strongly depend on the aperture size and thickness when the aperture size is similar or smaller than the emitted wavelength. The optical loss is negligible and not depend on the aperture thickness when the aperture size is larger than 5 times emitted wavelength.
Keywords
VCSEL; Semiconductor laser;
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