A Model of Dual Fabry–Perot Etalon-Based External-Cavity Tunable Laser Using Finite-Difference Traveling-Wave Method
نویسندگان
چکیده
A physical model of an external-cavity tunable laser (ECTL) utilizing the vernier effect a dual Fabry–Perot (FP) etalon is presented and simulated using finite-difference traveling wave (FDTW) method. In this paper, we provide detailed explanation principle construction process model, as well simulation results for laser. The precisely established by studying time-dependent changes in carrier concentration optical field different wavelengths inside before reaching steady state. By determining multiple parameters tuning region gain region, proposed can calculate predict various parameters, such output power side-mode suppression ratio (SMSR). Moreover, FDTW method displays change spectrum, convergence positions with femtosecond time resolution. This capability promising in-depth research on inner mechanism lasers.
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ژورنال
عنوان ژورنال: Photonics
سال: 2023
ISSN: ['2304-6732']
DOI: https://doi.org/10.3390/photonics10050579