High-Output-Power Single-Higher-Order Transverse Mode VCSEL With Shallow Surface Relief

被引:17
|
作者
Gadallah, Abdel-Sattar [1 ]
Michalzik, Rainer [1 ]
机构
[1] Univ Ulm, Inst Optoelect, D-89069 Ulm, Germany
关键词
Higher-order mode; polarization control; single-mode; vertical-cavity surface-emitting laser (VCSEL); EMITTING LASERS; POLARIZATION; MW;
D O I
10.1109/LPT.2011.2152388
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We report high-power single-higher-order transverse mode emission of a large-area oxide-confined rectangular-shaped vertical-cavity surface-emitting laser (VCSEL) with a multispot shallow surface relief. Both a record-high output power of 12 mW and a record-low differential series resistance of 18 are achieved. Stable single-higher-order transverse mode emission with a side-mode suppression ratio (SMSR) exceeding 35 dB is maintained up to thermal rollover. Single-polarization lasing along the major axis is achieved with 27.5-dB spectral orthogonal polarization suppression ratio at thermal rollover. Measurements of near-and far-field intensity profiles of the higher-order mode are also presented.
引用
收藏
页码:1040 / 1042
页数:3
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