Welcome to JUMCH website — your one-stop photonics hub for cutting-edge light manipulation solutions. From acousto-optic and electro-optic modulators that shape light at the speed of sound and electricity, to femtosecond & picosecond ultra-fast lasers delivering pinpoint precision, we engineer the building blocks of tomorrow’s applications. Amplify signals with our high-gain EDFA, YDFA, Raman and SOA lines; switch and route them with nanosecond optical switches and MEMS matrices; control pow