Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 33, Issue 14, Pages 687-690Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2021.3088454
Keywords
Couplings; Optical fiber couplers; Optical fiber polarization; Couplers; Optical fiber sensors; Optical fiber communication; Tuning; Single-mode fiber coupler; microfiber; variable coupling ratio; compact size
Funding
- National Key Research and Development Program of China [2018YFB2200400]
- National Natural Science Foundation of China [62035013, 61635009, 62075192]
- Major Scientific Research Project of Zhejiang Laboratory [2019MC0AD01]
- Natural Foundation of Shandong Province [ZR2020LLZ007]
- Fundamental Research Funds for the Central Universities
Ask authors/readers for more resources
A single-mode fiber coupler with variable coupling ratio based on microfibers was demonstrated in this study, showing compact size and wide tuning range. By adjusting the twisting angle between the microfibers, the coupling ratio can be varied from 3.15% to 98.5%. Numerical simulations and experimental results were in good agreement, and the effects of diameter discrepancy and mode polarization were studied.
Single-mode fiber coupler with variable coupling ratio is a flexible tool for optical fiber applications. Here we demonstrate a microfiber based coupler with compact size and wide tuning range. The coupler consists of two identical single-mode microfibers that are fabricated via parallel pulling process. By adjusting the twisting angle between these microfibers, the coupling ratio varies from 3.15% to 98.5% due to the change of evanescent field interaction length. Numerical simulations are carried out and the results agree well with the experimental ones. The effects of diameter discrepancy between two microfibers and mode polarization are also studied experimentally and numerically.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available
Share Paper
