Optical bistability in active semiconductor microring structures

被引:8
|
作者
Alexandropoulos, Dimitris [1 ]
Simos, Hercules [1 ]
Adams, Michael J. [2 ]
Syvridis, Dimitris [1 ]
机构
[1] Univ Athens, Dept Informat & Telecommun, Opt Commun Lab, GR-15784 Athens, Greece
[2] Univ Essex, Comp & Elect Syst Dept, Colchester CO4 3SQ, Essex, England
关键词
active microrings; logic gates; optical bistability (OB); optical switching;
D O I
10.1109/JSTQE.2008.921424
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
The spectral and power (I/O) bistable characteristics of active microring (MR) structures are analyzed theoretically. The theoretical formulation is based on the rate equation under the assumption of the z-independent optical power accounting for amplified spontaneous emission. The analysis is performed for MRs in both all-pass and add-drop configurations. The effect of cavity characteristics on the bistable performance are explored. Based on these the merits of the resonant nonlinearity enhancement are discussed and strategies for optimized bistable loops are outlined.
引用
收藏
页码:918 / 926
页数:9
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