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Tapered waveguide design for mode conversion in mode division multiplexing (MDM)

N. A. MAHADZIR1, A. AMPHAWAN2,3, T. MASUNDA2, P. S. MENON4, A. JALAR4, M. ABU BAKAR4, A. G. ISMAIL4,*

Affiliation

  1. Universiti Malaysia Perlis, Kampus Tetap Pauh Putra, 02600, Arau, Perlis, Malaysia
  2. Optical Technology Research Laboratory, Universiti Utara Malaysia, 06010, Sintok, Kedah, Malaysia
  3. Research Laboratory of Electronics, Massachusetts Institute of Technology, United States of America
  4. Institute of Microengineering and Nanoelectronics, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia

Abstract

In this paper, the tapered waveguide design was used in mode division multiplexing (MDM) as a mode converter. It was investigated to be used for switching purposes in short haul communication in a data centre. This paper shows the results of a Gaussian beam being converted into transverse modes and vice versa. It also shows the multiplexed version of the modes being converted into a specific target mode. There are two and three combinations of multiplexed modes in the tapered waveguide design, with modes computed as well as converted into targeted modes. The reason for this experiment is to accomplish the goal of replacing opto-electronic switches at data centres into an all-optical switching mechanism. Therefore, this design will enable the processing of large amounts of data using optical switching apparatus by creating additional data channels. It results in providing an all-optical mode conversion switch that incorporates high speed routing of data from one server into another data centre.

Keywords

Mode conversion, Tapered waveguide, Mode division multiplexing.

Citation

N. A. MAHADZIR, A. AMPHAWAN, T. MASUNDA, P. S. MENON, A. JALAR, M. ABU BAKAR, A. G. ISMAIL, Tapered waveguide design for mode conversion in mode division multiplexing (MDM), Optoelectronics and Advanced Materials - Rapid Communications, 15, 7-8, July-August 2021, pp.325-331 (2021).

Submitted at: Feb. 11, 2021

Accepted at: Aug. 16, 2021