Strong optical feedback effects on vertical cavity surface emitting lasers

被引:0
|
作者
Spencer, PS [1 ]
Mirasso, CR [1 ]
Shore, KA [1 ]
机构
[1] Univ Coll N Wales, Sch Elect Engn & Comp Syst, Bangor LL57 1UT, Gwynedd, Wales
关键词
VCSEL; optical feedback; multiple reflections;
D O I
10.1117/12.316657
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
An analysis is performed of the effects of strong optical feedback on the characteristics of single-transverse mode VCSELs. Consideration is given to the cases of short (1.5 cm) and long (15 cm) external cavities. When the laser is operated well above threshold in a short external cavity with high reflectivity a strong dependence on the accumulated external cavity phase is observed. Stable operation is found for an optimum phase while for other values of the phase chaotic dynamics is observed. Such behaviour is not seen near threshold where the laser output is stable for any accumulated phase. For the longer external cavity the influence of the phase term is found to be insignificant: chaotic behaviour is seen in the output over a wide range of operating currents.
引用
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页码:292 / 299
页数:4
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