This work presents and discusses the results of developing the first integrated photonic platform for the mid-IR spectral range, MIRPIC (Mid-IR Photonic Integrated Circuits). The platform is based on the heterogeneous integration of mid-IR light sources (QCLs), Ge-on-Si waveguiding components, and mid-IR photon detectors. We will present the platform's general concept along with the library of individual components developed and tested so far, discussing them in the context of operational parameters. Recent results will be showcased, documenting progress in MIRPIC platform development while pointing out the main challenges faced by the technology.
This work has received support from the National Centre for Research and Development through project MIRPIC (TECHMATSTRATEG-III/0026/2019-00).
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