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. Germanium (Ge)-based photonic integrated circuits in this wavelength range have thus seen a burst of interest in the recent years, mainly driven by applications related with the detection of chemical and biological substances. Here we review the motivations and the recent developments in this field, from the different material platforms to active and nonlinear devices. We also discuss a few demonstrations of sensing that have already been conducted, attesting the potential applications of such devices. Finally, we conclude by discussing the challenges that have to be solved to transition from lab demonstrations to practical industrial devices.

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ISSN
1863-8880
Префикс DOI
doi.org/10.1002/lpor.202501738
Журнал
Laser & Photonics Reviews
Год публикации
2025
Автор(ы)
Delphine Marris-Morini, Goran Z. Mashanovich, Milos Nedeljkovic, Carlos Alonso-Ramos, Laurent Vivien, Jacopo Frigerio, Giovanni Isell
Библиографическая запись

Laser & Photonics Reviews, 2026; 0:e01738 Germanium-Based Mid-Infrared Integrated Photonics

Оглавление

Germanium-Based Mid-Infrared Integrated Photonics

Ключевые фразы
germanium
Каталог SCI
Электроника