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The research aims to explore advancements in germanium-based photonic integrated circuits for mid-infrared applications.

March 18, 2026Laser & Photonics ReviewOpen Access

Germanium‐Based Mid‐Infrared Integrated Photonics

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Review highlights advancements in germanium-based photonic circuits for chemical and biological detection, suggesting practical applications ahead.

The research aims to explore advancements in germanium-based photonic integrated circuits for mid-infrared applications.
Review of recent developments in mid-infrared photonic integrated circuits using germanium.
Examination of various material platforms and device types.
Discussion on sensing demonstrations related to chemical and biological substances.
Increased interest in germanium-based devices for mid-infrared applications.
Successful demonstration of sensing capabilities for both chemical and biological detection.
Identification of challenges for transitioning lab prototypes to industrial applications.

Marris‐Morini et al. (2026) studied this question.

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Review highlights advancements in germanium-based photonic circuits for chemical and biological detection, suggesting practical applications ahead.