Development of a photonic dispersion solver

Development of a photonic dispersion solver

Research Image. Credit: POSTECH

An exponential enhance within the quantity of saved info is making the event of recent optoelectronic units more and more necessary. Recently, photonic crystals have emerged as an alternative choice to overcome the restrictions of typical photonic units due to their skill to regulate photons freely in microscopic space. A analysis group at POSTECH has developed a photonic dispersion solver which will act as the muse for research on photonic crystals, introducing the following technology of extremely built-in units

Professor Junsuk Rho (Department of Mechanical Engineering and Department of Chemical Engineering) at POSTECH together with a group from Gwangju Institute of Science and Technology (GSIT) led by Assistant Professor Minkyung Kim have developed and launched a coupled dipole method-based photonic dispersion solver (CDPDS) on-line without spending a dime. The analysis outcomes had been featured in Computer Physics Communications.

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Research on topological photonics requires a wide range of simulations, together with band evaluation of a photonic crystal, calculation of boundary band dispersion between two completely different photonic crystals, and analytic computation of topological phases utilizing dielectric constructions of photonic crystals. These necessities have made it essential to introduce completely different simulation settings and use post-treatment computation, which may deter the initiation of analysis.

To make analysis on topological photonics much less elusive, the group has developed and launched a program on-line that’s geared up with an intuitive graphical person interface (GUI) whereas making all vital computations doable even with out separate post-treatment.

The coupled dipole method-based photonic dispersion solver (CDPDS) that the group developed offers computation of band dispersions and topological phases of one-dimensional and two-dimensional photonic crystals. Tests have proven that the CDPDS can supply quick computation by making the fundamental construction, a photonic crystal, resemble a dipole. Moreover, it possesses a GUI, making it accessible to basic customers who should not conversant in pc programming, and offers a number of helpful built-in choices for customers. Therefore, the tactic can be utilized as a toy mannequin to quickly compute photonic dispersions or to mannequin the photonic dispersion properties of a posh system.

More info:
Minkyung Kim et al, CDPDS: Coupled dipole method-based photonic dispersion solver, Computer Physics Communications (2022). DOI: 10.1016/j.cpc.2022.108493

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Pohang University of Science & Technology (POSTECH)

Development of a photonic dispersion solver (2023, March 10)
retrieved 10 March 2023

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