Broadband and Low-Crosstalk 2×2 Electro-Optic Switch via Micro-Transfer Printing TFLN on Si3N4

We demonstrate a 2×2 electro-optic switch based on cascaded 1×2 MZIs via micro-transfer printing TFLN on the Si3N4, showing a 3-dB bandwidth of >100 nm, crosstalk of <-45 dB, and response time of <3 ns.