Zhangjian MU, Liying LI, Jia DU, Nan CHEN, Xuejing LIU. Simulations of reconfigurable optical switching based on Ge2Sb2Se4Te1[J]. Optical Instruments, 2021, 43(6): 6

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- Optical Instruments
- Vol. 43, Issue 6, 6 (2021)

Fig. 1. Structure of 2×2 directional coupler type switch

Fig. 2. n and k of GST and GSST in amorphous and crystalline states at 1500-1625 nm

Fig. 3. Relation between effective refractive index and width of waveguides

Fig. 4. Simulation of mode field of sandwich waveguide

Fig. 5. Simulations of light field distribution at 1550 nm

Fig. 6. IL and CT curves of switch across 1500-1625 nm band

Fig. 7. Distribution of laser heating

Fig. 8. Temperature distribution of top and bottom GSST layer
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Table 1. Coefficients used for the thermal simulation

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