High-speed energy-efficient electro-optic switch with enhanced data capacity, improved signal routing and switching

https://phys.org/news/2025-03-high-energy-efficient-electro-optic.html

"nanosecond-scale optical switching: low crosstalk <-45 dB, broad 3-dB bandwidth >100 nm, <3 ns latency... scalable, chip-friendly fabrication of 2×2 cascaded electro-optic switch by micro-transfer printing pre-etched thin-film lithium niobate (superior modulation capabilities) onto silicon nitride (exceptional passive properties)... 1.3 dB insertion loss at 1550-nm wavelength... future: large-area coupon-based massive micro-transfer printing to integrate multiple elements in a single process"