Ce Wang, Lü Ziyue, Yuyang Huang, Dan Zhang. Eu3+‑Doped Polymer Waveguide Amplifier Based on LED Pumping[J]. Chinese Journal of Lasers, 2023, 50(2): 0201003
- Chinese Journal of Lasers
- Vol. 50, Issue 2, 0201003 (2023)
Fig. 1. Normalized absorption spectra. (a) DBM and Phen; (b) EuCl3 and Eu(DBM)3 Phen doped PMMA film
Fig. 2. Schematics of intramolecular energy transfer and intrinsic absorption and emission of Eu3+ ions
Fig. 3. Fluorescent decay curves of Eu (DBM)3Phen doped PMMA film
Fig. 4. AFM image of Eu (DBM)3Phen doped PMMA film
Fig. 5. Structural diagrams of devices . (a) Ridge waveguide; (b) evanescent field waveguide
Fig. 6. SEM images of waveguide end faces. (a) Ridge waveguide (12 μm×5 μm); (b) evanescent field waveguide (4 μm×5 μm)
Fig. 7. Schematic of LED vertical top pump gain measurement system
Fig. 8. Measurement results. (a) Signal intensity with and without LED pump in ridge waveguide; (b) relative gain versus pump power
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