Electrical versus optical pumping of quantum dot amplifiers

Tommy Winther Berg; Svend Bischoff; Jesper Mørk

doi:10.1109/ECOC.2001.989419

Electrical versus optical pumping of quantum dot amplifiers

Tommy Winther Berg, Svend Bischoff, Jesper Mørk

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Abstract

The influence of the pumping mechanism for the dynamical properties of quantum dot amplifiers is investigated for 10, 40 and 160 GHz signals. A fast response is predicted in the case of optical pumping in the wetting layer (WL). The combination of fast relaxation and capture times and the presence of a reservoir of carriers in the WL opens up for the possibility of ultrafast gain recovery in QD devices. The strength of optical contra electrical pumping is that it reduces the bottleneck effect of a slow WL. Optical pumping thus allows significant improvement of the dynamical properties of QD devices.

Original language	English
Title of host publication	Proceedings 27th European Conference on Optical Communication
Volume	1
Publisher	IEEE
Publication date	2001
ISBN (Print)	07-80-36705-7
DOIs	https://doi.org/10.1109/ECOC.2001.989419
Publication status	Published - 2001
Event	27th European Conference on Optical Communication - Amsterdam, Netherlands Duration: 30 Sept 2001 → 4 Oct 2001 Conference number: 27

Conference

Conference	27th European Conference on Optical Communication
Number	27
Country/Territory	Netherlands
City	Amsterdam
Period	30/09/2001 → 04/10/2001

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Copyright: 2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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title = "Electrical versus optical pumping of quantum dot amplifiers",

abstract = "The influence of the pumping mechanism for the dynamical properties of quantum dot amplifiers is investigated for 10, 40 and 160 GHz signals. A fast response is predicted in the case of optical pumping in the wetting layer (WL). The combination of fast relaxation and capture times and the presence of a reservoir of carriers in the WL opens up for the possibility of ultrafast gain recovery in QD devices. The strength of optical contra electrical pumping is that it reduces the bottleneck effect of a slow WL. Optical pumping thus allows significant improvement of the dynamical properties of QD devices.",

author = "Berg, {Tommy Winther} and Svend Bischoff and Jesper M{\o}rk",

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AU - Bischoff, Svend

AU - Mørk, Jesper

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N2 - The influence of the pumping mechanism for the dynamical properties of quantum dot amplifiers is investigated for 10, 40 and 160 GHz signals. A fast response is predicted in the case of optical pumping in the wetting layer (WL). The combination of fast relaxation and capture times and the presence of a reservoir of carriers in the WL opens up for the possibility of ultrafast gain recovery in QD devices. The strength of optical contra electrical pumping is that it reduces the bottleneck effect of a slow WL. Optical pumping thus allows significant improvement of the dynamical properties of QD devices.

AB - The influence of the pumping mechanism for the dynamical properties of quantum dot amplifiers is investigated for 10, 40 and 160 GHz signals. A fast response is predicted in the case of optical pumping in the wetting layer (WL). The combination of fast relaxation and capture times and the presence of a reservoir of carriers in the WL opens up for the possibility of ultrafast gain recovery in QD devices. The strength of optical contra electrical pumping is that it reduces the bottleneck effect of a slow WL. Optical pumping thus allows significant improvement of the dynamical properties of QD devices.

U2 - 10.1109/ECOC.2001.989419

DO - 10.1109/ECOC.2001.989419

M3 - Article in proceedings

SN - 07-80-36705-7

VL - 1

BT - Proceedings 27th European Conference on Optical Communication

PB - IEEE

T2 - 27th European Conference on Optical Communication

Y2 - 30 September 2001 through 4 October 2001

ER -

Electrical versus optical pumping of quantum dot amplifiers

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