Optimal Design of Tunable Optical Add-Drop Multiplexer in Silicon-on-Insulator

Abstract:

A tunable optical add-drop multiplexer in silicon-on-insulator (SOI) is proposed by using thermo-optic effect. The device integrates a two-mode interference coupler with a set of tilted gratings, and its operation principle is based on multiple-mode interference principle and coupled-mode theory. The 3-dB bandwidth of add/drop wavelength is 0.5 nm in the reflection spectrum. Its central add/drop wavelength range is from 1550 to 1558.5 nm when the applied power is less than 14 W in the two-mode interference section, i.e. gratings section. The device is attractive in terms of tunable range of add/drop wavelength and design tolerance.

• Periodical: Advanced Materials Research (Volume 216)
• Pages: 654-660
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.216.654
• Online since: March 2011
• Authors: Xiao Bo Xing, Ying Lian Wang
• Keywords: Optical Add-Drop Multiplexer (OADM), Thermo-Optic Effect, Tilted Gratings, Two-Mode Interference Coupler

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