Lu Gao, Qingwen Liu, Zuyuan He. Two-Dimensional Optical Phased Array Reflector Based on Gires-Tournois Resonator[J]. Acta Optica Sinica, 2021, 41(7): 0723001
- Acta Optica Sinica
- Vol. 41, Issue 7, 0723001 (2021)
Fig. 1. Structure of the G-T resonator
Fig. 2. Phase shift of the reflected light from the G-T resonator varies with the refractive index
Fig. 3. Spatial two-dimensional optical phased array mirror based on G-T resonator. (a) Two-dimensional phased array model; (b) single G-T resonator
Fig. 4. Relationship between the pairs of DBR and reflectivity at 1550 nm
Fig. 5. Simulation of the G-T resonator. (a) Change curve of the reflectance with refractive index; (b) change curve of the phase shift with refractive index
Fig. 6. Distribution of the far field beam
Fig. 7. Distribution of the far field beam. (a) Phase difference between adjacent elements is 0; (b) phase difference between adjacent elements is π
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Table 1. Simulation parameters
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Table 2. Parameters during FDTD simulation
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