In-phase evanescent coupling of two-dimensional arrays of defect cavities in photonic crystal vertical cavity surface emitting lasers

被引：47
作者：
Raftery, James J., Jr. [1 ]
Lehman, Ann C. [1 ]
Danner, Aaron J. [1 ]
Leisher, Paul O. [1 ]
Giannopoulos, Antonios V. [1 ]
Choquette, Kent D. [1 ]
机构：
[1] Univ Illinois, Micro & Nanotechnol Lab, Dept Elect & Comp Engn, Urbana, IL 61801 USA
来源：
APPLIED PHYSICS LETTERS | 2006年 / 89卷 / 08期
关键词：
FABRICATION;
D O I：
10.1063/1.2336618
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In-phase evanescent coupling in 2x1 and 2x2 arrays of defect cavities in photonic crystal (PhC) vertical cavity surface emitting lasers (VCSELs) is reported. Two-dimensional PhC patterns of air holes containing multiple defects are etched into the top distributed Bragg reflector of VCSELs. The resulting modification of the effective index and optical loss results in evanescent coupling between the multiple defect cavities of the PhC VCSEL. Far field measurements and simulations show good agreement and demonstrate the in-phase results.
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页数：3
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