Tunable external-cavity semiconductor laser using monolithically integrated tapered amplifier and grating coupler for collimation

被引：7

作者：

Uemukai, M

Suhara, T

Yutani, K

Shimada, N

Fukumoto, Y

Nishihara, H

Larsson, A

机构：

[1] Osaka Univ, Dept Elect Engn, Grad Sch Engn, Suita, Osaka 5650871, Japan

[2] Chalmers Univ Technol, Dept Microelect, Photon Lab, SE-41296 Gothenburg, Sweden

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 12期

关键词：

external-cavity lasers; grating couplers; integrated optics; quantum-well lasers; semiconductor optical amplifiers; wavelength tuning;

D O I：

10.1109/68.896322

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：

A novel lensless tunable external-cavity laser using monolithically integrated tapered amplifier, grating coupler (GC) and an external half mirror is proposed and demonstrated in this letter, It can be fabricated by a simple process and emits a collimated output beam. By making use of wavelength dispersion of the GC, the lasing wavelength can be angle tuned, Wavelength tuning over a wide range of 21.5 nm by 4.5 degrees device rotation and an 84-mW output power were achieved under continuous-wave operation, A well-collimated output beam with a divergence angle as small as 0.3 degrees was maintained over the entire tuning range.

引用

收藏

页码：1607 / 1609

页数：3

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