带宽达 100 GHz 的高速蒸发波导光电探测器

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2023-12-29 DOI:10.35848/1882-0786/ad0e90

Han Ye, Qin Han, Shuai Wang, Yimiao Chu, Yu Zheng and Liyan Geng

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引用次数: 0

摘要

即将到来的 5G 和 6G 超高速传输网络要求光子收发器具有更高的带宽性能。本文制作并分析了一种蒸发耦合高速波导光电探测器（PD）。该光电探测器采用改进的单程载波结构，带宽达 100 GHz，在 -1.5 V 电压下暗电流低至 3 nA。数值模拟显示，由于耦合波导的裂隙长度不准确，测量到的 0.25 A W-1 的响应率有所降低，而在刻面贴上减反射膜后，响应率可能达到 0.688 A W-1。带宽受到高电阻和高电容的限制，传输时间限制高达 310 千兆赫。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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High speed evanescent waveguide photodetector with a 100 GHz bandwidth

The upcoming beyond-5G and 6G ultra-high speed transmission networks have urged photonic transceivers to allow for higher bandwidth performance. In this work, an evanescent coupled high speed waveguide photodetector (PD) is fabricated and analyzed. Adopting a modified uni-traveling carrier structure, the PD exhibits a bandwidth of 100 GHz and a low dark current of 3 nA at −1.5 V. Numerical simulations show that the measured responsivity of 0.25 A W−1 is worsened by the inaccurate cleaving length of the coupling waveguide, and could potentially reach 0.688 A W−1 with anti-reflection film at the facet. The bandwidth is bound by high resistance and capacitance giving a transit-time limit as high as 310 GHz.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).