Author： Yun-Xiao Zhang Jiao-Qing Pan Ling-Juan Zhao Hong-Liang Zhu Wei Wang
Publisher： IOP Publishing
ISSN： 0256-307X
Source： Chinese Physics Letters, Vol.27, Iss.2, 2010-02, pp. : 28501-28504
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Abstract
A new evanescently coupled uni-traveling carrier photodiode (EC-UTC-PD) is designed, fabricated and characterized, which incorporates a multimode diluted waveguide structure and UTC active waveguide structure together. A high responsivity of 0.68A/Wat 1.55-μm without an anti-reflection coating, a linear photocurrent responsivity of more than 21 mA, and a large −1 dB vertical alignment tolerance of 2.5 μm are achieved.
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