Larger-area single-mode photonic crystal surface-emitting lasers enabled by an accidental Dirac point

被引：74

作者：

Chua, Song-Liang ^{[1
,2
]}

Lu, Ling ^{[1
]}

Bravo-Abad, Jorge ^{[3
,4
]}

Joannopoulos, John D. ^{[1
]}

Soljacic, Marin ^{[1
]}

机构：

[1] MIT, Elect Res Lab, Cambridge, MA 02139 USA

[2] DSO Natl Labs, Singapore 118230, Singapore

[3] Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, E-28049 Madrid, Spain

[4] Univ Autonoma Madrid, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain

来源：

OPTICS LETTERS | 2014年 / 39卷 / 07期

关键词：

CONES;

D O I：

10.1364/OL.39.002072

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

By altering the lattice geometry of the photonic crystal (PhC) surface-emitting lasers (PCSELs), we tune the regular lasing band edges of quadratic dispersions to form a single accidental Dirac point of linear dispersion at the Brillouin zone center. This not only increases the mode spacing by orders of magnitude but also eliminates the distributed in-plane feedback to enable single-mode PCSELs of substantially larger area and thus substantially higher output power. The advantages of using accidental Dirac cones are systematically evaluated through two-dimensional in-plane calculations and confirmed by three-dimensional simulations of PhC slab devices. (C) 2014 Optical Society of America

引用

页码：2072 / 2075

页数：4

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