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High-speed direct modulation unidirectional emission microring lasers

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7 Author(s)
Xiao-meng Lv ; Institute of Semiconductors, Chinese Academy of Sciences, People's Republic of China ; Yong-zhen Huang ; Ling-xiu Zou ; Heng Long
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A InAlGaAs/InP microring laser with a ring width of 5 μm and an external radius of 10 μm, connected with a 2 μm-wide output waveguide, is fabricated by the planar technology process. Continuous-wave lasing operation is realised with a threshold current of 3 mA at 298 K, and 3 dB bandwidths of 10.8 and 8.7 GHz are obtained at the injection currents of 12 mA at 291 and 298 K, respectively.

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Electronics Letters  (Volume:49 ,  Issue: 20 )