Performance analysis of very-small-aperture lasers |
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| Authors: | Gan Qiaoqiang Song Guofeng Xu Yun Gao Jianxia Cao Qing Pan Xuejian Zhong Yuan Yang Guohua Zhu Xiaopeng Chen Lianghui |
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| Institution: | Institute of Semiconductors, Chinese Academy of Sciences, P.O. Box 912, Beijing 100083, China. gqq@red.semi.ac.cn |
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| Abstract: | The fabrication of very-small-aperture lasers is demonstrated, and their performance is analyzed. Because of strong optical feedback caused by a gold film on the front facet of the laser, its behavior changes: The threshold current decreases, the density of light inside the laser diode and the redshift effect of the spectra are enhanced, and the laser diode's lifetime is shorter than that of common laser diodes with large driving current. |
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