Thorlabs Quantum Electronics

Thorlabs Quantum Electronics (TQE) is a manufacturer of optoelectronic products operated by Thorlabs. It produces indium phosphide (InP), gallium arsenide (GaAs), quantum cascade and interband cascade semiconductor lasers, high-speed lithium niobate modulators, and other products. TQE also offers wafer fabrication, metrology, package assembly, etc.