Chang Cai, Zongdan Jiang, Peili Li. Fast All-Optical 4×2 Encoder with High Contrast Based on Two-Dimensional Photonic Crystal[J]. Laser & Optoelectronics Progress, 2022, 59(1): 0114004
- Laser & Optoelectronics Progress
- Vol. 59, Issue 1, 0114004 (2022)
Fig. 1. Structure of Y-type 1×2 beam splitter of two-dimensional photonic crystal. (a) Without microcavity; (b) with microcavity
Fig. 2. TE mode and TM mode band diagram of complete photonic crystal
Fig. 3. Encoding performance of Y-type 1×2 beam splitter without microcavity. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
Fig. 4. Encoding performance of Y type 1×2 beam splitter with microcavity. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
Fig. 5. Structure of two-dimensional photonic crystal all-optical 4×2 encoder
Fig. 6. Encoding performance when 1 is input for I0 and 0 is input for I0, I1, and I3. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
Fig. 7. Encoding performance when 1 is input for I1 and 0 is input for I0, I2, and I3. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
Fig. 8. Encoding performance when 1 is input for I2 and 0 is input for I0, I1, and I3. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
Fig. 9. Encoding performance when 1 is input for I3 and 0 is input for I0, I1, and I2. (a) Steady-state field intensity distribution; (b) time-domain steady-state response
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Table 1. Truth table data and performance parameters of all-optical 4×2 encoder
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