Single-Mode Operation in Flat Fibers Slab Waveguide via Modal Leakage
| Autor: | Soo Yong Poh, Yong Meng Sua, K. S. Yeo, Ghafour Amouzad Mahdiraji, Din Chai Tee, F. Amirkhan, Faisal Rafiq Mahamd Adikan |
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| Rok vydání: | 2017 |
| Předmět: |
lcsh:Applied optics. Photonics
Optical fiber Geometry 02 engineering and technology Graded-index fiber law.invention Fiber characterization Mode field diameter 020210 optoelectronics & photonics Optics law single-mode fiber 0202 electrical engineering electronic engineering information engineering lcsh:QC350-467 Electrical and Electronic Engineering fiber design and fabrication modal sieve Physics Mode volume Multi-mode optical fiber business.industry Single-mode optical fiber lcsh:TA1501-1820 Atomic and Molecular Physics and Optics Radiation mode business Refractive index lcsh:Optics. Light |
| Zdroj: | IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-9 (2017) |
| ISSN: | 1943-0655 |
| DOI: | 10.1109/jphot.2017.2690377 |
| Popis: | An approach to obtain single-mode operation on a semirectangular large core area Flat Fiber (FF) slab waveguide is proposed. A new design of FF with two defect eye holes is presented, and its single-mode guiding is analyzed by simulation. To validate the simulation results, a proof of concept FF with a core area $ > 1200{\rm{\ \mu }}{{\rm{m}}^2}$ was fabricated, and its modal behavior was examined. It was found that higher order propagation modes could be discriminated from the large core area by introducing a high-refractive index region in the FF eye holes. Experimental results confirmed a single Gaussian mode profile (mode field diameter of $ \approx745{\rm{\ \mu m}})$ output of this large core FF, thus validating the simulation results. |
| Databáze: | OpenAIRE |
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