Very low input voltage cascaded travelling wave electroabsorption modulator (CTWEAM) for more than 100 Gbps

被引：2

作者：

Islam, A. B. M. Hamidul ^{[1
]}

Westergren, Urban ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Sch Informat & Commun Technol, SE-16440 Kista, Sweden

来源：

OPTICS COMMUNICATIONS | 2013年 / 297卷

关键词：

Electroabsorption modulator; Travelling wave; 100; Gbps; GB/S; ETHERNET; GHZ;

D O I：

10.1016/j.optcom.2013.01.028

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents the large signal modeling and simulation of two segmented travelling wave electroabsorption modulators (TWEAM) as a cascaded TWEAM (CTWEAM) structure. It will be demonstrated that a mushroom shaped mesa structure with low series resistance (0.69 Omega-mm) will have 3 dB bandwidth more than sufficient for 100 Gbps operation. For a CTWEAM device with 990 lam active segment length, 1.1 V bias voltage and only 0.4 V peak-to-peak (Vp-p) modulating voltage has a bandwidth of 110 GHz, extinction ratio >4 dB and flat frequency response. This device would be an attractive candidate for short distance optical fiber communication as well as long distance telecommunication at 0.4 Vp-p and 1 Vp-p input RF signal, respectively. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：43 / 47

页数：5

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