Alignment of Free-Space Coupling of Few-Mode Fibre to Multi-Mode Fibre using Digital Holography
- van den Hout, Menno
- van der Heide, Sjoerd
- Bradley, Tom
- Velazquez-Benitez, Amado M.
- Fontaine, Nicolas K.
- Ryf, Roland
- Chen, Haoshuo
- Mazur, Mikael
- Antonio-López, Jose Enrique
- Alvarado-Zacarias, Juan Carlos
- Amezcua-Correa, Rodrigo
- Bogot-Astruc , Marianne
- Amezcua-Correa, Adrian
- Sillard, Pierre
- Okonkwo, Chigo
Publication date
June 2022
DOIAbstract
Off-axis digital holography is used to align a few-mode fiber to a multi-mode fiber in a free-space optical setup. Alignment based on power coupling measurements alone cannot guarantee low mode-dependent loss. The proposed alignment method enables reliable fiber coupling with low mode-dependent loss and crosstalk
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