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Experimental Demonstration of Amplified Feedback DFB Laser With Modulation Bandwidth Enhancement Based on the Reconstruction Equivalent Chirp Technique
Zheng, J. L.; G. W. Zhao; Y. T. Zhou; Z. K. Zhang; T. Pu; Y. C. Shi; Y. S. Zhang; Y. Liu; L. Y. Li; J. Lu; X. Zhang; J. Li; Y. Zhou and X. F. Chen
2017
Source PublicationIeee Photonics Journal
Volume9Issue:6
AbstractA novel amplified feedback DFB laser with extended modulation bandwidth is experimentally demonstrated in this paper. All the three sections of laser cavity, including DFB section, phase section, and amplified feedback section, have the same active layer, which can avoid the butt-joint regrowth process. The gratings in both DFB section and amplified feedback section are fabricated by the reconstruction equivalent chirp technique, which can significantly decrease the difficulties in realizing precise grating structure. An enhanced -3 dB bandwidth of 19 GHz is achieved by means of a normal low-frequency wafer. Modulation linearity and relative intensity noise characteristics are experimentally investigated. 20 MSymbol/s 32-QAM signal with 19 GHz carrier is transmitted via 25-km radio-over-fiber link using the as-fabricated directly modulated DFB laser, and the average error vector magnitude of the whole link is 3.91%.
Indexed Bysci ; ei
Language英语
WOS IDWOS:000416283400001
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/59481
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714
Zheng, J. L.,G. W. Zhao,Y. T. Zhou,et al. Experimental Demonstration of Amplified Feedback DFB Laser With Modulation Bandwidth Enhancement Based on the Reconstruction Equivalent Chirp Technique[J]. Ieee Photonics Journal,2017,9(6).
APA Zheng, J. L..,G. W. Zhao.,Y. T. Zhou.,Z. K. Zhang.,T. Pu.,...&Y. Zhou and X. F. Chen.(2017).Experimental Demonstration of Amplified Feedback DFB Laser With Modulation Bandwidth Enhancement Based on the Reconstruction Equivalent Chirp Technique.Ieee Photonics Journal,9(6).
MLA Zheng, J. L.,et al."Experimental Demonstration of Amplified Feedback DFB Laser With Modulation Bandwidth Enhancement Based on the Reconstruction Equivalent Chirp Technique".Ieee Photonics Journal 9.6(2017).
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