Germanium-Based Mid-Infrared Photonics
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arXiv
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| Autori principali: | , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866908888579702784 |
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| author | Marris-Morini, Delphine Mashanovich, Goran Z. Nedeljkovic, Milos Alonso-Ramos, Carlos Vivien, Laurent Frigerio, Jacopo Isella, Giovanni |
| author_facet | Marris-Morini, Delphine Mashanovich, Goran Z. Nedeljkovic, Milos Alonso-Ramos, Carlos Vivien, Laurent Frigerio, Jacopo Isella, Giovanni |
| contents | 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 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_08519 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Germanium-Based Mid-Infrared Photonics Marris-Morini, Delphine Mashanovich, Goran Z. Nedeljkovic, Milos Alonso-Ramos, Carlos Vivien, Laurent Frigerio, Jacopo Isella, Giovanni Optics 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 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. |
| title | Germanium-Based Mid-Infrared Photonics |
| topic | Optics |
| url | https://arxiv.org/abs/2505.08519 |