Hybrid silicon lasers for optical interconnects

被引：21

作者：

Dai, Daoxin ^{[1
]}

Fang, Alexander ^{[1
]}

Bowers, John E. ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, ECE Dept, Santa Barbara, CA 93106 USA

来源：

NEW JOURNAL OF PHYSICS | 2009年 / 11卷

关键词：

SEMICONDUCTOR-LASERS; EVANESCENT LASER; MODULATION; PHOTODETECTOR; WAVELENGTH; GAIN;

D O I：

10.1088/1367-2630/11/12/125016

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose high-speed modulation of hybrid silicon lasers through modulation of the photon lifetime tau(p). Two structures are presented to achieve tau(p)-modulation by modifying the distributed loss or the feedback coefficient of the laser cavity. By using small-signal modeling and the finite-difference method, the responses in the frequency and time domains are given. It is shown that it is possible to achieve a 3 dB bandwidth of over 100 GHz and a high data transmission rate of more than 50 GHz. The theoretical analysis also shows that the chirp due to the variations of the carrier densities in the gain/modulation sections is very small.

引用

页数：17

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