期刊
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
卷 25, 期 5, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSTQE.2019.2903775
关键词
Silicon photonics; quantum dot lasers; integrated optoelectronics; microwave photonics; optical switches
资金
- DARPA MTO DODOS, ARPA-E
- Air Force Research Laboratory [FA8650-15-2-5220]
Heterogeneous integration of 111-V semiconductor photonics combined with silicon foundry technology enables low-cost, high-performance photonic integrated circuits. Highly reliable lasers using epitaxial deposition of quantum dot lasers, with <2 mA threshold and lifetime >> 100 years at 35 C have been demonstrated at University of California, Santa Barbara (UCSB) and can be manufactured at wafer scale. Reduction in the linewidth enhancement factor allows isolator-free operation. This technology enables cost-effective photonic integrated circuits for applications such as microwave photonics and data communications. Optical frequency synthesis with similar to 1.5 Hz accuracy is demonstrated using heterogeneous integration. Silicon photonics applications that will benefit from future heterogeneous integration are also demonstrated, including high dynamic range microwave photonic links and optical switching technology that scales to hyperscale datacenters with hundreds of thousands of servers.
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