Time-domain model of quantum-dot semiconductor optical amplifiers for wideband optical signals

被引：3
|
作者：
Puris, D. [1 ]
Schmidt-Langhorst, C. [2 ]
Luedge, K. [3 ]
Majer, N. [3 ]
Schoell, E. [3 ]
Petermann, K. [1 ]
机构：
[1] Tech Univ Berlin, Inst Hochfrequenz & Halbleiter Syst Technol, D-10587 Berlin, Germany
[2] Heinrich Hertz Inst Nachrichtentech Berlin GmbH, Fraunhofer Inst Telecommun, D-10587 Berlin, Germany
[3] Tech Univ Berlin, Inst Theoret Phys, D-10623 Berlin, Germany
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 24期
关键词：
LINEWIDTH ENHANCEMENT FACTOR; REFRACTIVE-INDEX; DYNAMICS; GAIN; MODULATION; LASERS;
D O I：
10.1364/OE.20.027265
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a novel theoretical time-domain model for a quantum dot semiconductor optical amplifier, that allows to simulate subpicosecond pulse propagation including power-based and phase-based effects. Static results including amplified spontaneous emission spectra, continuous wave amplification, and four-wave mixing experiments in addition to dynamic pump-probe simulations are presented for different injection currents. The model uses digital filters to describe the frequency dependent gain and microscopically calculated carrier-carrier scattering rates for the interband carrier dynamics. It can be used to calculate the propagation of multiple signals with different wavelengths or one wideband signal with high bitrate. (C) 2012 Optical Society of America
引用
收藏
页码：27265 / 27282
页数：18
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