A measurement of modal gain profile and its effect on the lasing performance in vertical-external-cavity surface-emitting lasers

被引：13
|
作者：
Kim, Jun-Youn [1 ]
Cho, Soohaeng
Lee, Junho
Kim, Gi Bum
Lim, Seong-In
Yoo, Jaeryung
Kim, Ki-Sung
Lee, Sang-Moon
Shim, Jongin
Kim, Taek
Park, Yongjo
机构：
[1] Samsung Adv Inst Technol, Photon Project Team Display Device, Suwon 440600, South Korea
[2] Samsung Adv Inst Technol, Mat Lab, Suwon 440600, South Korea
[3] Hanyang Univ, Dept Elect & Comp Engn, Gyeonggi Do 425791, South Korea
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2006年 / 18卷 / 21-24期
关键词：
external cavity lasers; high power laser; second-harmonic generation (SHG); vertical-cavity lasers;
D O I：
10.1109/LPT.2006.887217
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 investigate the effect of relative wavelength difference between material gain and resonance peaks on lasing performance in vertical-external-cavity surface-emitting lasers (VECSELs). We propose a measurement method of the wavelength-dependent modal gain profiles by inserting a birefringent filter inside a cavity in order to modulate the optical loss according to the wavelength. With knowledge of the detailed gain profiles, we achieve a stable green output power of 3.3 W and a power conversion efficiency (= green output power/pump input power) of 17% in VECSEL with a LiB3O5 crystal as an intracavity frequency doubler.
引用
收藏
页码：2496 / 2498
页数：3
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