Particle swarm optimized ultra-compact polarization beam splitter on silicon-on-insulator
We have designed an ultra-compact polarization beam splitter on silicon-on-insulator (SOI).
The device is designed by a Particle swarm optimized (PSO) inverse-design method with a
quite small footprint of 2× 2 μm 2. Simulation results shows that the transmission is 61% for
TE mode and 52% for TM mode at designed wavelength 1550 nm. The extinction ratio of our
device is greater than 10dB within a bandwidth of 40 nm (1528–1567 nm). Benefiting from
the global optimization of our inverse-design method, the transmission and extinction ratio …
The device is designed by a Particle swarm optimized (PSO) inverse-design method with a
quite small footprint of 2× 2 μm 2. Simulation results shows that the transmission is 61% for
TE mode and 52% for TM mode at designed wavelength 1550 nm. The extinction ratio of our
device is greater than 10dB within a bandwidth of 40 nm (1528–1567 nm). Benefiting from
the global optimization of our inverse-design method, the transmission and extinction ratio …
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