Mode Crosstalk Evaluation Method by Using MMI Mode Filter for Optical Mode Switch

Ryan IMANSYAH
Tatsushi TANAKA
Luke HIMBELE
Haisong JIANG
Kiichi HAMAMOTO

Publication
IEICE TRANSACTIONS on Electronics   Vol.E99-C    No.7    pp.825-829
Publication Date: 2016/07/01
Online ISSN: 1745-1353
DOI: 10.1587/transele.E99.C.825
Type of Manuscript: PAPER
Category: Optoelectronics
Keyword: 
mode crosstalk,  mode filter,  multimode,  optical mode switch,  silicon photonics,  

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Summary: 
We have proposed and demonstrated the principle of optical mode switch. However, the crosstalk between modes has not yet reported due to the difficulty of mode recognition and distinction. To accomplish this mode crosstalk evaluation, we integrated multimode interference (MMI) mode filter with the optical mode switch in this work. As a result, for the both TE and TM modes, the crosstalk of approximately -10 dB has been evaluated experimentally.