1.3 μm submilliamp threshold quantum dot micro-lasers on Si

被引:162
作者
Wan, Yating [1 ,2 ]
Norman, Justin [3 ]
Li, Qiang [2 ]
Kennedy, M. J. [1 ]
Liang, Di [4 ]
Zhang, Chong [4 ]
Huang, Duanni [1 ]
Zhang, Zeyu [1 ]
Liu, Alan Y. [3 ]
Torres, Alfredo [1 ]
Jung, Daehwan [3 ]
Gossard, Arthur C. [1 ,3 ]
Hu, Evelyn L. [5 ]
Lau, Kei May [2 ]
Bowers, John E. [1 ,3 ]
机构
[1] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Clear Water Bay, Hong Kong, Peoples R China
[3] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
[4] Hewlett Packard Enterprise, Hewlett Packard Labs, 1501 Page Mill Rd, Palo Alto, CA 94304 USA
[5] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA
来源
OPTICA | 2017年 / 4卷 / 08期
关键词
SILICON;
D O I
10.1364/OPTICA.4.000940
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
As a promising integration platform, silicon photonics need on-chip laser sources that dramatically improve capability, while trimming size and power dissipation in a cost-effective way for volume manufacturability. Currently, direct heteroepitaxial growth of III-V laser structures on Si using quantum dots as the active region is a vibrant field of research, with the potential to demonstrate low-cost, high-yield, long-lifetime, and high-temperature devices. Ongoing work is being conducted to reduce the power consumption, maximize the operating temperature, and switch from miscut Si substrates toward the so-called exact (001) Si substrates that are standard in microelectronics fabrication. Here, we demonstrate record-small electrically pumped micro-lasers epitaxially grown on industry standard (001) silicon substrates. Continuous-wave lasing up to 100 degrees C was demonstrated at 1.3 mu m communication wavelength. A submilliamp threshold of 0.6 mA was achieved for a micro-laser with a radius of 5 mu m. The thresholds and footprints are orders of magnitude smaller than those previously reported lasers epitaxially grown on Si. (C) 2017 Optical Society of America
引用
收藏
页码:940 / 944
页数:5
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