Broadband mode division multiplexer using all-fiber mode selective couplers
- Authors
- Park, Kyung Jun; Song, Kwang Yong; Kim, Young Kie; Lee, Jae Hyeon; Kim, Byoung Yoon
- Issue Date
- Feb-2016
- Publisher
- OPTICAL SOC AMER
- Citation
- OPTICS EXPRESS, v.24, no.4, pp 3543 - 3549
- Pages
- 7
- Journal Title
- OPTICS EXPRESS
- Volume
- 24
- Number
- 4
- Start Page
- 3543
- End Page
- 3549
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/7261
- DOI
- 10.1364/OE.24.003543
- ISSN
- 1094-4087
- Abstract
- We report an all-fiber mode division multiplexer formed with cascaded mode selective couplers with significantly broadened bandwidth potentially spanning S, C and L band. This was achieved by matching the effective refractive indices over a wide wavelength range for the few mode fiber and the single mode fiber used in the coupler. The multiplexer provides high coupling efficiency (>55% for the worst case) for the 4 spatial modes over the entire wavelength range of 1515-1590 nm. The all-fiber construction provides mechanical stability. Experimental results for the coupling efficiency and the mode extinction ratio for each spatial mode are presented along with the far field radiation patterns. (C) 2016 Optical Society of America
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Collections - College of Natural Sciences > Department of Physics > 1. Journal Articles
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