Reduction of nonlinear distortion in semiconductor lasers with external light injection

被引：2
|
作者：
Pua, MH [1 ]
Haldar, MK [1 ]
Mendis, FVC [1 ]
Garg, HK [1 ]
机构：
[1] Natl Univ Singapore, Dept Elect Engn, Singapore 119260, Singapore
来源：
ICICS - PROCEEDINGS OF 1997 INTERNATIONAL CONFERENCE ON INFORMATION, COMMUNICATIONS AND SIGNAL PROCESSING, VOLS 1-3: THEME: TRENDS IN INFORMATION SYSTEMS ENGINEERING AND WIRELESS MULTIMEDIA COMMUNICATIONS | 1997年
关键词：
D O I：
10.1109/ICICS.1997.652163
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
It is demonstrated analytically that the static light-current characteristic of an injection-locked laser is highly linear away from threshold and is suitable for direct intensity modulation. By using a small signal perturbative approach, expressions for second order harmonic distortion and two-carrier third order intermodulation distortion are evaluated. At microwave frequencies, it is demonstrated that these distortions can be significantly reduced using injection locking. This is attributed to additional coupling effects between optical phase and photons under injection locking, in addition to the photon-electron interactions seen in free-running lasers.
引用
收藏
页码：1153 / 1157
页数：3
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