Design of novel tunable resonant cavity enhanced photodetector (RCE-PD)

Baoxin Zhao; Yongqing Huang; Xinye Fan; Yingfei Zhou; Xiaofeng Duan; Xiaomin Ren

doi:10.1117/12.921318

5 December 2011 Design of novel tunable resonant cavity enhanced photodetector (RCE-PD)

Baoxin Zhao, Yongqing Huang, Xinye Fan, Yingfei Zhou, Xiaofeng Duan, Xiaomin Ren

Proceedings Volume 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration; 81980F (2011) https://doi.org/10.1117/12.921318
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

A novel tunable resonant cavity enhanced photodetector (RCE-PD) is achieved by using an air gap. The optical properties of the photodetector are designed by using the transfer matrix method (TMM). The quantum efficiency (QE) of the tunable RCE-PD is calculated and the optimizing structure is obtained. It is revealed that the peak QE increases to the highest value ( 92%) when the thickness of active layer is 106nm. When the air layer thickness changed 20nm under a low bias voltage, the peak wavelength blue shifts from 1550nm to 1547.9nm and the QE of the device keeps almost invariant at the same time.

Citation Download Citation

Baoxin Zhao, Yongqing Huang, Xinye Fan, Yingfei Zhou, Xiaofeng Duan, and Xiaomin Ren "Design of novel tunable resonant cavity enhanced photodetector (RCE-PD)", Proc. SPIE 8198, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Integration, 81980F (5 December 2011); https://doi.org/10.1117/12.921318

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