Wavelength stabilized single-mode lasers by coupled micro-square resonators

被引:11
作者
Bach, L [1 ]
Reithmaier, JP
Forchel, A
Gentner, JL
Goldstein, L
机构
[1] Univ Wurzburg, D-97074 Wurzburg, Germany
[2] Alcatel Corp Res Ctr, Grp Interet Econ, OPTO, F-91460 Marcoussis, France
关键词
integrated circuits; optical communication; ring resonators; semiconductor laser; single-mode laser;
D O I
10.1109/LPT.2002.807938
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
Wavelength stabilized single-mode lasers were realized-by on-chip coupling,of a ridge waveguide laser with two micro-ring resonators. The micro-ring resonators were fabricated by deeply etching to achieve high lateral optical confinement and to allow small ring diameters in the range between 20-60 mum. A square-like ring geometry with 45degrees facets was used to improve design control and side-wall quality. By using micro rings with two different diameters of 50 and 60 mum, a free spectral range of about 18 nm could be obtained which allow a stable single-mode operation with a side-mode suppression ratio of more than 40 dB and a continuous-wave output power of 30 mW per facet at room temperature.
引用
收藏
页码:377 / 379
页数:3
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