Design and performance study of low-loss, anti-crosstalk, anti-resonance multicore optical fibers
Year: 2026
Type: article
Abstract: Multicore optical fibers are the key multidimensional medium for implementing space-division multiplexing technology. In this paper, cross-shaped and Y-shaped anti-resonant multi-core fiber (MC-ARF) and three-core photonic crystal fiber (TC-PCF) are proposed. The effective mode area, confinement loss (CL), and inter-core crosstalk of the fibers are optimized, and their bending performance is analyzed using these parameters. The results indicate that at a wavelength of 1550 nm, the effective mode field area of the special-shaped MC-ARF is 10 3 μ m 2 , while that of the TC-PCF is 10 2 μ m 2 . The CL of the Y-shaped MC-ARF is 10 −4 dB m −1 , that of the TC-PCF is 10 −3 dB m −1 , and that of the cross-shaped MC-ARF is 10 −1 dB m −1 . The minimum inter-core crosstalk of the cross-shaped MC-ARF and Y-shaped MC-ARF is −18.9 dB and −27.4 dB, respectively, and that of the TC-PCF is −53.9 dB. The bending loss (BL) of the Y-shaped MC-ARF and the TC-PCF is 10 −4 dB m −1 . Although the BL of the cross-shaped MC-ARF is relatively high, it still possesses good bending performance. Compared with conventional multi-core fibers, the fibers proposed in this paper exhibit significant performance advantages in effective mode area, CL, and inter-core crosstalk. They can provide certain references for the practical applications of large-capacity space-division multiplexing multi-core fibers.
Source: Journal of Optics
Institution: Changchun University
Language: English
Subfield: Electrical and Electronic Engineering
Field: Engineering
Domain: Physical Sciences
Open Access status: bronze
OpenAlex ID: W7214231846