长春光机所高速垂直腔面发射激光器研究进展

Research progress of high-speed vertical-cavity surface-emitting laser in CIOMP

高速垂直腔面发射激光器(VCSEL)是高速光通信的主要光源之一,受数据流量的迅速增长牵引,高速VCSEL正向更大带宽、更高速率方向发展。长春光机所团队通过优化VCSEL外延设计和生长、器件设计和制备、以及性能表征技术,在多个波长的高速VCSEL的调制带宽、传输速率、模式、功耗等性能方面取得了显著进展。实现高速单模940 nm VCSEL 27.65 GHz调制带宽和53 Gbit/s传输速率;通过波分复用基于850 nm、880 nm、910 nm和940 nm高速VCSEL实现200 Gbit/s链路方案;通过光子寿命优化,实现高速VCSEL低至100 fJ/bit的超低能耗;实现1030 nm高速VCSEL 25 GHz调制带宽;实现1550 nm高速VCSEL 37 Gbit/s传输速率。研制的高速VCSEL在光通信等领域有重要应用前景。

High-speed vertical-cavity surface-emitting laser(VCSEL)is one of the main light sources for optical communication.Driven by the rapid growth of data traffic,the high-speed VCSEL is developing towards larger bandwidth and higher bit rate.By optimizing the epitaxy design and the growth of VCSELs,the design and the fabrication of VCSELs,and the high-frequency characterization techniques,much remarkable progress of high-speed VCSELs with different wavelengths have been achieved in modulation bandwidth,transmission rate,mode,power consumption in Changchun Institute of Optics,Fine Machanics and Physics(CIOMP).The research progress of high-speed VCSELs includes:high-speed single-mode 940 nm VCSEL with 27.65 GHz modulation bandwidth and 53 Gbit/s transmission rate;200 Gbit/s optical link based on 850 nm,880 nm,910 nm and 940 nm high-speed VCSELs via wavelength division multiplexing;ultra-low power consumption as low as 100 fJ/bit of high-speed VCSEL via optimization of photon lifetime;1030 nm highspeed VCSEL with 25 GHz modulation bandwidth;1550 nm high-speed VCSEL with 37 Gbit/s transmission rate.The developed high-speed VCSELs have important application prospects in optical communication.