Simple method for estimating the memory diagram in single mode semiconductor lasers
- 1 April 1994
- journal article
- Published by Institution of Engineering and Technology (IET) in IEE Proceedings - Optoelectronics
- Vol. 141 (2) , 109-113
- https://doi.org/10.1049/ip-opt:19949845
Abstract
The authors propose a simple method, based on the probability distribution functions of the switch-on time, to predict the appearance of pattern effects at the output of single-mode semiconductor lasers. The method allows one to evaluate the overlap between the switch-on time probability distribution functions under repetitive gain-switching and periodic '...1111...' sequences of input bits in the return to zero scheme for any operating point of the laser. If the overlap is large enough, no-pattern effects will appear at the output when the laser is modulated with a pseudorandom sequences of input bits. If the contrary happens, pattern effects will be observed at the output. Nonmemory bands in the memory region are also obtained.Keywords
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