Chuanchen GUO, Min YANG, Qianqian CUI, Zheng LIN, Shilei WEI, Jiajia SUN, Lijun LI. Study on Micro-nano Fiber Coupled Ring Mirror and Its Spectral Controllability[J]. Study On Optical Communications, 2025, 51(1): 230161-01
- Study On Optical Communications
- Vol. 51, Issue 1, 230161-01 (2025)
Fig. 1. Micro-nano fiber coupler structure
Fig. 2. The distribution of light field and the energy transmission of two arms of coupler at different coupling degrees
Fig. 3. The process of adjusting the spectral extinction ratio when the polarization angle adjustment range is 0～90°
Fig. 4. The output transmission spectrum of polarization controller half wave plate when the deflection angle is 0～90°
Fig. 5. Polarization controller half plate deflection angle and extinction analogy diagram
Fig. 6. Output comb spectrum of micro-nano coupled ring mirror with different length of waist cone
Fig. 7. The experimental setup of liquid refractive index
Fig. 8. The spectrum of the micro-nano coupled ring mirror is regulated by the refractive index of the surrounding liquid
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Table 1. Free spectral range and 3 dB bandwidth of loop mirror comb spectrum of microfiber couplers
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