nBn结构InAs/GaSb超晶格中/长双波段探测器优化设计

Liu Wenjing, 刘文婧; Zhu Lianqing, 祝连庆; Zhang Dongliang, 张东亮; Zheng Xiantong, 郑显通; Yang Yichen, 杨懿琛; Wang Wenjie, 王文杰; Liu Yuan, 柳渊; Lu Lidan, 鹿利单; Liu Ming, 刘铭

doi:10.3788/irla20220837

红外与激光工程

2023

DOI: 10.3788/irla20220837

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nBn结构InAs/GaSb超晶格中/长双波段探测器优化设计

刘文婧 Liu Wenjing,

祝连庆 Zhu Lianqing,

张东亮 Zhang Dongliang

et al.

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2024

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Performance of LWIR to VLWIR barrier photodetectors based on M-structure superlattices

Cheng,

Li,

Song

et al. 2024

Opt. Express

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Antimonide superlattice materials with tunable energy bands, high electron mobility, and easy attainment of good uniformity in large-area materials, are considered to be the material of choice for third-generation infrared photodetectors. Based on energy band engineering, this paper designs a series of long-wave infrared(LWIR) to very-long-wave infrared(VLWIR) photodetectors by employing M-structure superlattice(M-SL) as both absorber layer and barrier layer. The photodetectors’ performances at different temperatures are simulated in this manuscript. At 77K, while minimizing the lattice mismatch, effectively suppresses the dark current of the device which can be as low as 1× 10−8A/cm2, with a quantum efficiency reaching 20.85% and normalized detectivity achieves 4.78×1011 cm·Hz1/2/W for LWIR photodetector with a cutoff wavelength of 11.1 μm. For the VLWIR photodetector with a cutoff wavelength of 16.7 μm, the corresponding figures are 1×10−6A/cm2, 16.77% and 3.09×1010 cm·Hz1/2/W, respectively.

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Performance of LWIR to VLWIR barrier photodetectors based on M-structure superlattices

Cheng,

Li,

Song

et al. 2024

Opt. Express

View full text Add to dashboard Cite

show abstract

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nBn结构InAs/GaSb超晶格中/长双波段探测器优化设计

Cited by 1 publication

References 20 publications

Performance of LWIR to VLWIR barrier photodetectors based on M-structure superlattices

Performance of LWIR to VLWIR barrier photodetectors based on M-structure superlattices

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