9 November 1999 Eigenmode confinement in semiconductor microcavity lasers with an equilateral triangle resonator
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Abstract
We analyze the mode behaviors for semiconductor lasers with an equilateral triangle resonator by deriving the mode field distribution and the eigenvalue equation. The eigenvalue equation shows that the longitudinal model wavelength interval is equivalent to that of a Fabry-Perot cavity with the cavity length of 1.5a, where a is the side length of the equilateral triangle resonator. The transverse waveguiding is equivalent to a strip waveguide with the width of (root)3 a/2, and the number of transverse modes supported by the resonator is limited by the total reflection condition on the sides of the equilateral triangle. Semiconductor microcavity laser with an equilateral triangle resonator is suitable to realize single mode operation, and the mode wavelength can be adjusted by changing the side length.
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Yongzhen Huang, Yongzhen Huang, } "Eigenmode confinement in semiconductor microcavity lasers with an equilateral triangle resonator", Proc. SPIE 3899, Photonics Technology into the 21st Century: Semiconductors, Microstructures, and Nanostructures, (9 November 1999); doi: 10.1117/12.369403; https://doi.org/10.1117/12.369403
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