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Tunable surface-emitting dual-wavelength laser from a blended gain layer with an external holographic grating feedback structure
Zhang, G. Y.; L. J. Liu; M. H. Liu; Y. G. Liu; Z. H. Peng; L. S. Yao; Q. D. Wang; S. X. Wang; Z. L. Cao; J. Ma and L. Xuan
2016
Source PublicationOptical Materials Express
Volume6Issue:10
AbstractA remarkable performance ultraviolet (UV) photodetector was demonstrated by introducing a poly(9,9-dihexylfluorene) (PDHF) interlayer with the roles of barrier-blocking electron transport and light-inducing hole injection, leading to enhanced properties of the device both in dark and under UV illumination. The PDHF interlayer can efficiently block the electrons, which provides low dark current as well as the reduced noise for devices. Furthermore, the accumulation of photogenerated electrons causes the energy-band bending, leading to promoted gain of holes under UV illumination. The specific detectivity of the device with the PDHF interlayer reaches 1.86 x 10(13) cm Hz(1/2) W-1. Moreover, the response and recovery speed have been upgraded due to the improvement of the carrier transport mechanism.
Subtype期刊
Indexed BySCI ; EI
Language英语
Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/57410
Collection中科院长春光机所知识产出
Recommended Citation
GB/T 7714		 Zhang, G. Y.,L. J. Liu,M. H. Liu,et al. Tunable surface-emitting dual-wavelength laser from a blended gain layer with an external holographic grating feedback structure[J]. Optical Materials Express,2016,6(10).
APA Zhang, G. Y..,L. J. Liu.,M. H. Liu.,Y. G. Liu.,Z. H. Peng.,...&J. Ma and L. Xuan.(2016).Tunable surface-emitting dual-wavelength laser from a blended gain layer with an external holographic grating feedback structure.Optical Materials Express,6(10).
MLA Zhang, G. Y.,et al."Tunable surface-emitting dual-wavelength laser from a blended gain layer with an external holographic grating feedback structure".Optical Materials Express 6.10(2016).
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