%0 Journal Article %T Silicon-Based Mode Converter and Demultiplexer for Wavelength Division Multiplexing Transmission by Using Multimode Interference Couplers %A Yong Zhou %A Junqiang Sun %J Optics and Photonics Journal %P 117-124 %@ 2160-889X %D 2020 %I Scientific Research Publishing %R 10.4236/opj.2020.106012 %X
We present a mode converter and demultiplexer structure for wavelength division multiplexing (WDM) transmission by employing multimode interference (MMI) on Silicon-on-Insulator (SOI) platform. The mode converter and demultiplexer have a compact size of less than 2.7 ¦Ìm ¡Á 43.7 ¦Ìm. Moreover, the crosstalk between neighboring wavelength channel within C band (1530 nm to 1570 nm) can be reduced by utilizing the tapered phase shifter cascaded with MMI. The simulated results indicate that this structure has a low insertion loss of less than 1 dB, a low crosstalk of better than ?15 dB and a relatively high fabrication tolerance of ~10 nm. Such structure may find many potential applications in silicon photonic integrated devices.
%K Multimode Interference %K Wavelength Division Multiplexing %K Mode Converter %K Silicon-on-Insulator %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=101818