The TFLN-QUAD bias voltage controller from Plugtech is specifically designed for TFLN Thermo-optic (TO) MZ modulators. Its principle involves injecting a dither signal into the modulator, continuously analyzing the modulator's working state, and adjusting the output DC bias voltage to compensate for working point drift caused by external environmental changes. Thanks to its excellent control algorithm design, users can precisely lock the modulator at common Quad+ and Quad- working points through simple operations, ensuring long-term stable operation.
The TFLN-QUAD controller has a variety of output specifications to choose from, making it easy for users to deploy the controller to modulators of various voltage specifications. In addition, the TFLN-QUAD controller supports UART command control, users can easily debug the system through GUI software, control scripts, etc.