A novel polarization-insensitive loop circulator with multiport

Xiaohua Ye; Min Zhang; Peida Ye; Zexiong Zhao

doi:10.1117/12.573471

10 January 2005 A novel polarization-insensitive loop circulator with multiport

Xiaohua Ye, Min Zhang, Peida Ye, Zexiong Zhao

Proceedings Volume 5623, Passive Components and Fiber-based Devices; (2005) https://doi.org/10.1117/12.573471
Event: Asia-Pacific Optical Communications, 2004, Beijing, China

Abstract

Presented in this paper is the design and fabrication of a novel polarization-insensitive optical circulator with multiport. For an optical circulator with n ports, it guides the signal from port 1 into port 2, port 2 into port 3, and so on, till port n into port 1. As a result, the circulator provides further chromatic dispersion compensation and routing function, etc. In this paper, two designs of circulators concerning with odd and even port compact are presented. The port number regarding to each scheme can be arbitrarily designed according to system requirement. Experiments have been conducted to show the performance of our designs on a 3-port and 4-port loop circulators. Key parameters of each scheme are also presented, including the insertion loss (IL), the polarization dependence (PDL), the isolation performance (IS), return loss (RL) and the crosstalk within its working wavelength. Results from the experiments show that the fabricated circulator provides an excellent performance for each set of system parameters. This circulator provides a new possibility for developing compact nonreciprocal devices in the field of optical communications.

Citation Download Citation

Xiaohua Ye, Min Zhang, Peida Ye, and Zexiong Zhao "A novel polarization-insensitive loop circulator with multiport", Proc. SPIE 5623, Passive Components and Fiber-based Devices, (10 January 2005); https://doi.org/10.1117/12.573471

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