Hybrid integrated miniaturized quantum light modules are newly developed components for mid-infrared (mid-IR) hyperspectral imaging and quantum optical coherence tomography (OCT) sensing.
Our quantum light modules are based on entangled photon pairs that are brought to interference in a nonlinear interferometer - and in this way gain access to the mid-IR spectral range. Measurements are made solely in the NIR. Thus, neither detectors nor radiation sources in the mid-IR are required. For the quantum light modules, we assemble novel laser diodes, micro-optical elements and a nonlinear optical crystal in a very small space.