Mid-Infrared Sensors Based On Semiconductor Lasers and Photonic Integrated Circuits (PICs)
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".
Deadline for manuscript submissions: closed (29 February 2020) | Viewed by 5943
Special Issue Editor
Interests: silicon photonics; quantum cascade lasers; heterogeneous integration; photonic integrated circuits; electronic–photonic integration; photonic sensors; narrow linewidth lasers; high speed coherent communication PICs
Special Issue Information
Dear Colleagues,
Mid-infrared wavelength range is gaining attraction for sensing applications. Many interesting molecular species have orders of magnitude higher absorption cross-sections in mid-infrared as compared to shorter wavelengths. In addition, the distinct molecular fingerprint of individual molecules helps in segregating the different species. Several sensing applications such as trace gas monitoring, isotope segregation, leak detection, biomarker detection, liquid sensing, and remote sensing are enabled by mid-infrared sensors. In the past decade, several efforts have been made to miniaturize the sensing systems for hand-held applications. Two areas of research have particularly stood out—semiconductor lasers and photonic integrated circuits—and they help in reducing the form factor of sensing systems.
This Special Issue focuses on advancements made in both these areas. The main aim is to track the progress over the wide mid-infrared wavelength band (2–12 µm) in the performance of sensing solutions employing semiconductor lasers and PICs. Articles detailing integration of mid-infrared III-V devices with passive waveguides are also of interest in this Special Issue. Potential topics for this Special Issue include but are not limited to:
- Sensing schemes using Type I and Type II laser diodes;
- Sensing schemes using interband cascade lasers;
- Sensing schemes using quantum cascade lasers;
- Tunable laser diode spectroscopy in the mid-infrared;
- Wavelength modulation spectroscopy in the mid-infrared;
- Evanescent waveguide sensors;
- Slot waveguide-based sensors;
- Novel waveguide geometries for sensing applications;
- Spectrometers based on PICs;
- Mid-infrared photothermal sensors;
- Mid-infrared photoacoustic sensors;
- Mid-infrared plasmonic sensors;
- Integration of mid-infrared light sources on passive waveguides.
Dr. Aditya Malik
Guest Editor
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Keywords
- Mid-infrared sensing
- Quantum cascade lasers
- Spectroscopic sensing
- Photonic integrated circuits
- Heterogeneous integration
- Hybrid integration
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