Ultrafast polarization modulation in vertical cavity surface emitting lasers with frequency dependent current injection

被引：2

作者：

Barve, A. V. ^{[1
]}

Zheng, Y. ^{[1
]}

Johansson, L. ^{[1
]}

Mehta, A. ^{[2
]}

Husain, A. ^{[2
]}

Coldren, L. ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93117 USA

[2] Ziva Corp, San Diego, CA 92121 USA

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 25期

关键词：

DYNAMICS;

D O I：

10.1063/1.4772540

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on a polarization modulation in vertical cavity surface emitting lasers (VCSEL), based on RF electrical injection. Complex polarization dynamics in the single mode regime is studied as a function of RF frequency and power at different bias currents. It has been observed that the polarization state of the VCSEL can be altered by changing the frequency of RF current modulation. Time resolved measurements show that by injecting periodic bursts of RF modulation in the VCSEL, it is possible to change the dominant polarization between the two orthogonal modes at gigahertz rates. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4772540]

引用

页数：4

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