Abstract
The transmission-line laser model (TLLM) is extended to simulate the three-section distributed Bragg reflector (DBR) lasers, while a combined model of TLLM and digital filter approach is developed to study the sampled grating DBR (SGDBR) lasers. We integrate time-domain TLLM method and frequency-domain transfer matrix method (TMM) in the combined model. Characteristics of tunable DBR lasers and SGDBR lasers are all successfully simulated, such as L-I curve, and static tuning characteristics, which are in good agreement with the published experimental results. This new method is also used to study transient response and lasing spectrum of the devices, which are difficult to be obtained by the frequency domain models.
Published Version
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