Wenlong CHE, Yue ZHANG, Jianxing ZHAO, Yinghao CAO, Yao ZHOU, Yinglin SONG, Jianhong ZHOU. Coupling efficiency of fiber-chalcogenide embedded optical waveguide[J]. Infrared and Laser Engineering, 2025, 54(1): 20240320
- Infrared and Laser Engineering
- Vol. 54, Issue 1, 20240320 (2025)
Fig. 1. Schematic structure of the chalcogenide glass film sample
Fig. 2. Experimental setup for GSS exposure
Fig. 3. (a) Sample of GSS exposure; (b) Optical microscope images of embedded chalcogenide glass optical waveguide
Fig. 4. Experimental setup for optical waveguide coupling
Fig. 5. Coupling efficiency of the input fiber to the waveguide
Fig. 6. Input fiber-optical waveguide end-coupling
Fig. 7. Schematic of the simulation structure
Fig. 8. Waveguide mode field distributions. (a) Quasi-TE mode; (b) Quasi-TM mode
Fig. 9. Simulation results of the coupling efficiency of the input fiber to the waveguide
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