Intensity Noise Properties of Mid-Infrared Injection Locked Quantum Cascade Lasers: I. Modeling

被引：23
|
作者：
Simos, Hercules [1 ,2 ]
Bogris, Adonis [3 ,4 ]
Syvridis, Dimitris [2 ]
Elsaesser, Wolfgang [5 ]
机构：
[1] Technologichal Educ Inst Piraeus, Dept Elect, Athens 12244, Greece
[2] Univ Athens, Dept Informat & Telecommun, Opt Commun Lab, Athens 15784, Greece
[3] Technol Educ Inst Athens, Dept Informat, Athens 12210, Greece
[4] Univ Athens, Dept Informat, Athens 15784, Greece
[5] Tech Univ Darmstadt, Inst Appl Phys, D-64289 Darmstadt, Germany
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2014年 / 50卷 / 02期
关键词：
Quantum cascade lasers; optical injection; injection locking; intensity noise; MODULATION; BANDWIDTH; ENHANCEMENT; LOCKING; LIGHT;
D O I：
10.1109/JQE.2013.2295434
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we numerically investigate the effect of optical injection locking on the noise properties of mid-infrared quantum cascade lasers. The analysis is carried out by means of a rate equation model, which takes into account the various noise contributions and the injection of the master laser. The obtained results indicate that the locked slave laser may operate under reduced intensity noise levels compared with the free running operation. In addition, optimization of the locking process leads to further suppression of the intensity noise when the slave laser is biased close to the free-running threshold current. The main factors that significantly affect the locking process and the achievable noise levels are the injected optical power and the master-slave frequency detuning.
引用
收藏
页码：98 / 105
页数：8
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