| Citation: |
Guo Fangmin, Li Ning, Yu Shaoxin, Xiong Dayuan, Lin Jianfeng, Hou Ying, He Yuhuan, Zhu Ziqiang, Lu Wei, Huang Qi, Zhou Junming. Diffraction Coupling of a Very Long Wavelength Quantum Well Infrared Photodetector Linear Array[J]. Journal of Semiconductors, 2006, 27(6): 1109-1114.
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Guo F M, Li N, Yu S X, Xiong D Y, Lin J F, Hou Y, He Y H, Zhu Z Q, Lu W, Huang Q, Zhou J M. Diffraction Coupling of a Very Long Wavelength Quantum Well Infrared Photodetector Linear Array[J]. Chin. J. Semicond., 2006, 27(6): 1109.
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Diffraction Coupling of a Very Long Wavelength Quantum Well Infrared Photodetector Linear Array
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Abstract
Through experiment,test,and analysis,we study the surface near-field effect and optical coupling efficiency of very long wavelength quantum well infrared photodetectors (QWIP).We apply finite difference time domain modeling and the modal expansion method,and we review different diffraction couplings and different processes and consider their coupling efficiency.The experiment and analysis prove that effective grating coupling can be achieved through the reasonable design of a 2D grating for very long wavelength QWIPs.-
Keywords:
- QWIP,
- diffraction coupling,
- 2D grating,
- responsivity,
- detectivity
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References
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Proportional views
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