Time-Dependent Laser Cavity Perturbation Theory: Exploring Future Nano-Structured Photonic Devices in Semi-Analytic way

نویسندگان

چکیده

We present a theoretical framework, which successfully combines two different fields of photonics: i) the laser rate equations and ii) cavity perturbation theory, focusing particularly on micro-cavity lasers with optical anisotropies. Our approach is formally analogous to quantum-mechanical time-dependent in however gain medium permittivity tensor distribution are perturbed instead Hamiltonian. Using general vectorial Maxwell-Bloch as starting point, we derive polarization-resolved coupled-mode equations, all relevant geometric anisotropy-related parameters imprinted its coefficients. Closed-form offer physical insights like approaches precision comparable brute-force numeric routines, thus being time-saving alternative finite-difference time-domain methods. The main advantage that one calculates numerically shapes cold-cavity modes used for set broad landscape interest further studied perturbative way. This makes method interesting semi-analytic studies state-of-art devices such photonic crystal lasers, liquid-crystal or specifically spin-lasers, interplay between injected spin birefrigence creates very promising platform ultrafast data transfer technologies.

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ژورنال

عنوان ژورنال: Journal of Lightwave Technology

سال: 2022

ISSN: ['0733-8724', '1558-2213']

DOI: https://doi.org/10.1109/jlt.2022.3168231