High-power symmetric-connected uni-traveling-carrier photodiode array integrated with sub-wavelength gratings based beam-splitter | Zendy

Jiarui Fei | Zendy; Yongqing Huang | Zendy; Wenjing Fang | Zendy; Tao Liu | Zendy; Xiaofeng Duan | Zendy; Kai Liu | Zendy; Xiaomin Ren | Zendy

Open Access

High-power symmetric-connected uni-traveling-carrier photodiode array integrated with sub-wavelength gratings based beam-splitter

Author(s) -

Jiarui Fei,

Yongqing Huang,

Wenjing Fang,

Tao Liu,

Xiaofeng Duan,

Kai Liu,

Xiaomin Ren

Publication year - 2017

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.25.021726

Subject(s) - photodiode , optics , materials science , optoelectronics , wavelength , beam splitter , bandwidth (computing) , splitter , physics , telecommunications , laser , computer science

We present a two-element back-illuminated symmetric-connected uni-traveling-carrier photodiode array (SC-PDA) integrated with sub-wavelength-gratings based beam-splitter (SWGs-BS) for high power optoelectronic applications. The SC-PDA with SWGs-BS, a top-illuminated SC-PDA and a single PD were fabricated and tested. The proposed SC-PDA with SWGs-BS demonstrates a 3dB bandwidth of 23.8GHz@60mA, a saturation current of 87.9mA@12GHz and a maximum output RF power of ~16dBm@12GHz. Compared to the top-illuminated SC-PDA and the single PD, the proposed SC-PDA with SWGs-BS achieved high-power handling capability at low coupling complexity and requires no phase-matching techniques in the system.

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