In this paper, we propose a novel asymmetric directional coupler based on microstructured air-silica cane for LP11 excitation. The component is composed by two different fibers, a Hollow Optical Fiber (HOF) having an elliptical-ring core and a single mode fiber (SMF), inserted in a microstructured cane on either side of the central hole before the assembly is tapered. Using an optimized geometry of the microstructured cane, the phase matching condition is satisfied and a total power coupling takes place between the two fibers in the waist.At the output of the coupler, 99% of the shared power between the two fibers is transferred from the LP01 of the SMF to the LP11 of the HOF with high modal selectivity (86%) and low insertion losses (0.4 dB).
|Title of host publication||2018 20th International Conference on Transparent Optical Networks, ICTON 2018|
|Publisher||IEEE Computer Society|
|Publication status||Published - 2018 Sep 26|
|Event||20th International Conference on Transparent Optical Networks, ICTON 2018 - Bucharest, Romania|
Duration: 2018 Jul 1 → 2018 Jul 5
|Name||International Conference on Transparent Optical Networks|
|Other||20th International Conference on Transparent Optical Networks, ICTON 2018|
|Period||18/7/1 → 18/7/5|
Bibliographical notePublisher Copyright:
© 2018 IEEE.
All Science Journal Classification (ASJC) codes
- Computer Networks and Communications
- Electrical and Electronic Engineering
- Electronic, Optical and Magnetic Materials