Jiashuai CAO, Hongzhi JIA. Generation of orbital angular momentum mode based on photonic crystal fiber[J]. Optical Instruments, 2022, 44(4): 73
- Optical Instruments
- Vol. 44, Issue 4, 73 (2022)
Fig. 1. Cross-sectional view of two-dimensional optical fiber structure and structural parameters
Fig. 2. Electric field intensity and phase diagram
Fig. 3. The effective refractive index of HE4,1 odd and even modes, as well as generated OAM mode distance, as a function of wavelength
Fig. 4. The relationship between the distance and wavelength of the OAM mode when d 2 changes
Fig. 5. The OAM mode generation distance and confinement loss, as a function of d 2 at 1.55 μm
Fig. 6. The effective refractive index of HE4,1 odd and even modes, as well as generated OAM mode distance, as a function of wavelength
Fig. 7. Phase of generated OAM beam
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Table 1. Fiber structure parameters and generation distance of each order OAM mode
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