DOAJ Open Access 2025

Unraveling the ultra-broadband beam splitter based on parallel coupled waveguides

Sheng Hsiung Chang

Abstrak

An ultra-broadband beam splitter is theoretically realized using a directional parallel-cascaded coupled-waveguide structure, which is designed and investigated with the effective medium method and finite-difference time-domain method. The 1 dB bandwidth is 285 nm which is ranging from 1418 nm to 1703 nm, thereby covering the optical window for long-haul communication. The electric field distributions show that there is a recoupling zone and thereby resulting in the ultra-broadband operation. The proposed beam splitter can be naturally integrated into the silicon photonic integrated circuits, thereby facilitating the applications of silicon-on-insulator waveguides.

Topik & Kata Kunci

Applied optics. Photonics Optics. Light

Penulis (1)

Sheng Hsiung Chang

Format Sitasi

APA MLA BibTeX

Chang, S.H. (2025). Unraveling the ultra-broadband beam splitter based on parallel coupled waveguides. https://doi.org/10.1088/2515-7647/ae0ee6

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Informasi Jurnal

Tahun Terbit: 2025
Sumber Database: DOAJ
DOI: 10.1088/2515-7647/ae0ee6
Akses: Open Access ✓