Efficient, high-power, narrow-linewidth, continuous-wave quantum-dot semiconductor comb laser

被引：2
|
作者：
Buyalo, Mikhail [1 ]
Gubenko, Alexey [1 ]
Mikhrin, Sergey [1 ]
Mikhrin, Vladimir [1 ]
Kovsh, Alexey R. [2 ]
Krishnamoorthy, Ashok V. [2 ,3 ]
机构：
[1] Innolume GmbH, Dortmund, Germany
[2] Alfalume Inc, Los Gatos, CA 95033 USA
[3] Axalume Inc, San Diego, CA 92127 USA
来源：
SCIENTIFIC REPORTS | 2024年 / 14卷 / 01期
关键词：
LOW-THRESHOLD;
D O I：
10.1038/s41598-024-53609-9
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We report a continuous-wave, O-band quantum-dot semiconductor comb laser for WDM optical interconnects exhibiting a 2.2 THz optical bandwidth with up to 89 comb wavelengths spaced at 25 GHz, over 30% peak ex-facet electrical-to-optical power conversion efficiency, up to 270 mW of usable laser power, relative intensity noise below - 135 dB/Hz per individual mode, individual laser mode linewidth of 140 kHz, mode beating linewidths of 50 kHz across all modes, and stable far-field output with 75% coupling efficiency to PM fiber in a butterfly package.
引用
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页数：9
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