用于高符号速率光通信系统的50 ghz带宽InP-HBT模拟mux模块

2016 IEEE MTT-S International Microwave Symposium (IMS) Pub Date : 2016-05-22 DOI:10.1109/MWSYM.2016.7540042

M. Nagatani, H. Yamazaki, H. Wakita, H. Nosaka, K. Kurishima, M. Ida, A. Sano, Y. Miyamoto

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引用次数: 18

摘要

针对高码率光通信系统，开发了一种超宽带2:1模拟多路复用器(a- mux)模块。a - mux IC采用内部InP hbt设计和制造，其峰值ft和fmax分别为290和320 GHz。a - mux模块通过带宽超过50 GHz，时钟速率高达50 GHz，可实现100-GS/s的运行。其功耗低至0.5 W。此外，我们还设计了一种利用a - mux将dac带宽提高一倍的新方法。我们成功地基于两个20 ghz带宽的子dac和这个A-MUX产生了一个80 gbaud (160 gb /s)的Nyquist PAM4信号。

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A 50-GHz-bandwidth InP-HBT analog-MUX module for high-symbol-rate optical communications systems

An ultra-broadband 2:1 analog-multiplexer (A-MUX) module has been developed for optical communications systems with a high symbol rate. The A-MUX IC was designed and fabricated using in-house InP HBTs, which have a peak ft and fmax of 290 and 320 GHz, respectively. The A-MUX module has a through bandwidth of over 50 GHz and operates at a clock rate of up to 50 GHz, leading to 100-GS/s operation. Its power consumption is as small as 0.5 W. In addition, we devised a novel method to double the bandwidth of DACs using the A-MUX. We succeeded in generating an 80-Gbaud (160-Gb/s) Nyquist PAM4 signal based on two 20-GHz-bandwidth sub-DACs and this A-MUX.

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2016 IEEE MTT-S International Microwave Symposium (IMS)

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