Laser soliton microcombs heterogeneously integrated on silicon

doi:10.1126/science.abh2076

GSTDTAP > 气候变化

DOI	10.1126/science.abh2076
	Laser soliton microcombs heterogeneously integrated on silicon
	Chao Xiang; Junqiu Liu; Joel Guo; Lin Chang; Rui Ning Wang; Wenle Weng; Jonathan Peters; Weiqiang Xie; Zeyu Zhang; Johann Riemensberger; Jennifer Selvidge; Tobias J. Kippenberg; John E. Bowers
	2021-07-02
发表期刊	Science
出版年	2021
英文摘要	The realization of optical frequency combs, light sources with precisely spaced frequencies across a broad spectrum of wavelengths, in dielectric microresonators has affected a range of applications from imaging and ranging to precision time keeping and metrology. Xiang et al. demonstrate that the entire system, the laser-pumping system and the comb-generating microresonators, can be combined into an integrated silicon-based platform. Compatibility with foundry fabrication methods will enable this innovation to have a major impact on coherent communications, optical interconnects, and low-noise microwave generation. Science , abh2076, this issue p. [99][1] Silicon photonics enables wafer-scale integration of optical functionalities on chip. Silicon-based laser frequency combs can provide integrated sources of mutually coherent laser lines for terabit-per-second transceivers, parallel coherent light detection and ranging, or photonics-assisted signal processing. We report heterogeneously integrated laser soliton microcombs combining both indium phospide/silicon (InP/Si) semiconductor lasers and ultralow-loss silicon nitride (Si3N4) microresonators on a monolithic silicon substrate. Thousands of devices can be produced from a single wafer by using complementary metal-oxide-semiconductor–compatible techniques. With on-chip electrical control of the laser-microresonator relative optical phase, these devices can output single-soliton microcombs with a 100-gigahertz repetition rate. Furthermore, we observe laser frequency noise reduction due to self-injection locking of the InP/Si laser to the Si3N4 microresonator. Our approach provides a route for large-volume, low-cost manufacturing of narrow-linewidth, chip-based frequency combs for next-generation high-capacity transceivers, data centers, space and mobile platforms. [1]: /lookup/doi/10.1126/science.abh2076
领域	气候变化 ; 资源环境
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引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.173/C666/handle/2XK7JSWQ/334186
专题	气候变化资源环境科学
推荐引用方式 GB/T 7714	Chao Xiang,Junqiu Liu,Joel Guo,et al. Laser soliton microcombs heterogeneously integrated on silicon[J]. Science,2021.
APA	Chao Xiang.,Junqiu Liu.,Joel Guo.,Lin Chang.,Rui Ning Wang.,...&John E. Bowers.(2021).Laser soliton microcombs heterogeneously integrated on silicon.Science.
MLA	Chao Xiang,et al."Laser soliton microcombs heterogeneously integrated on silicon".Science (2021).