Design of Silicon TE0/TE1 Mode Router Using Mach-Zehnder and Multimode Interferometers

  • Tran Xuan Hop The University of Danang - University of Science and Technology, Danang, Vietnam
  • Dang Thi Nuong The University of Danang - University of Science and Technology, Danang, Vietnam
  • Ho Duc Tam Linh The University of Danang - University of Science and Technology, Danang, Vietnam
  • Duong Quang Duy The Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
  • Nguyen Thi Hong Yen The University of Danang - University of Science and Technology, Danang, Vietnam
  • Mai Thi Phuong Le The University of Danang, Danang University of Science and Technology
  • Truong Cao Dung The Posts and Telecommunications Institute of Technology, Hanoi, Vietnam
  • Nguyen Tan Hung The University of Danang - Advanced Institute of Science and Technology, Danang, Vietnam

Abstract




This paper proposes a new design of two-mode three-port optical mode router for mode division multiplexing systems. The device consists of a Mach-Zehnder interferometer (MZI) and a multimode interferometer (MMI), which utilizes silicon material for photonic integrated circuits (PIC). By setting appropriate values for the two butterfly-shaped phase shifters (PSs) at MZI and MMI, the input mode, either transverse electric (TE) modes TE0 or TE1, can be routed to the desired output among the three output ports. The device is designed and optimized via three-dimensional beam propagation method (3D BPM). The proposed device achieves very low insertion loss and small cross-talk, which are less than 0.4 dB and -24.5 dB, respectively, over the whole C band.




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Published
2021-06-29
How to Cite
HOP, Tran Xuan et al. Design of Silicon TE0/TE1 Mode Router Using Mach-Zehnder and Multimode Interferometers. Journal of Science and Technology: Issue on Information and Communications Technology, [S.l.], v. 19, n. 6.2, p. 22-27, june 2021. ISSN 1859-1531. Available at: <http://ict.jst.udn.vn/index.php/jst/article/view/128>. Date accessed: 19 jan. 2022. doi: https://doi.org/10.31130/ict-ud.2021.128.