Design and characterization of 16-mode PANDA polarization-maintaining few-mode ring-core fiber for spatial division multiplexing

Yuan Cao; Yongli Zhao; Xiaosong Yu; Jiawei Han; Jie Zhang

doi:10.1117/1.OE.56.11.116102

2 November 2017 Design and characterization of 16-mode PANDA polarization-maintaining few-mode ring-core fiber for spatial division multiplexing

Yuan Cao, Yongli Zhao, Xiaosong Yu, Jiawei Han, Jie Zhang

Author Affiliations +

Optical Engineering, Vol. 56, Issue 11, 116102 (November 2017). https://doi.org/10.1117/1.OE.56.11.116102

Abstract

A PANDA polarization-maintaining few-mode ring-core fiber (PM-FM-RCF) structure with two air holes around the ring core is proposed. The relative mode multiplicity factor (RMMF) is defined to evaluate the spatial efficiency of the designed PM-FM-RCF. The performance analysis and comparison of the proposed PANDA PM-FM-RCFs considering three different types of step-index profiles are detailed. Through modal characteristic analysis and numerical simulation, the PM-FM-RCF with a lower refractive index difference ( Δnoi=1.5%) between the ring core and the inner central circle can support up to 16 polarization modes with large RMMF at C-band, which shows the optimum modal properties compared with the PM-FM-RCF with higher Δnoi. All the supported polarization modes are effectively separated from their adjacent polarization modes with effective refractive index differences ( Δneff) larger than 10−4, which also show relatively small chromatic dispersion ( −20 to 25 ps/nm/km), low attenuation ( <1.4 dB/km), and small bending radius ( ∼8 mm) over the C-band. The designed PM-FM-RCF can be compatible with standard single-mode fibers and applied in multiple-input multiple-output-free spatial division multiplexing optical networks for short-reach optical interconnection.

Citation Download Citation

Yuan Cao, Yongli Zhao, Xiaosong Yu, Jiawei Han, and Jie Zhang "Design and characterization of 16-mode PANDA polarization-maintaining few-mode ring-core fiber for spatial division multiplexing," Optical Engineering 56(11), 116102 (2 November 2017). https://doi.org/10.1117/1.OE.56.11.116102

Received: 15 June 2017; Accepted: 11 October 2017; Published: 2 November 2017

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