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physics.optics2025
Hybrid Integration of Quantum Cascade Lasers with Germanium-on-Silicon waveguides for Mid-Infrared Sensing Applications
Colin J. Mitchell, Longqi Zhou, Ke Li +9
We present a novel scheme for hybrid integration of quantum cascade laser bars with germanium-on-silicon waveguides operating in the mid-infrared. The laser bars are flip-chip bond…
physics.optics2025
Germanium-Based Mid-Infrared Photonics
Delphine Marris-Morini, Goran Z. Mashanovich, Milos Nedeljkovic +4
The mid-infrared (mid-IR) spectral range is a part of the electromagnetic spectrum in which most of the molecules have vibrational and rotational resonances. Ge-based photonic inte…