Repurposable Hardware in Smart Photonic Components

Key to the development of cost effective integrated components is low cost, power circuitry capable being repurposed from providing manufacturing based functions, such as characterisation and calibration, operational control functions. Although these individual functions are well known, efficient implementations required enable competitive module pricing. In case an optical Mach Zehnder Modulator (MZM), bias currents require complex for example around digitally synthesized sinusoidal pilot tones harmonic detection via filters [1][2].