R&D Applications
50+ researchers from around the world have used our novel NLIR technology to reach breakthrough innovation in the photonics industry. Our mid-infrared upconversion technology has been tested in various cases and can be used to solve your industry challenges.
Interested in how our technology can help your business?
![Time-resolved mid-infrared photoluminescence spectroscopy of an undoped InAs substrate using NLIR spectrometer as featured in Applied Physics Letters, january 31, 2024](https://nlir.com/wp-content/uploads/Time-resolved-mid-infrared-photoluminescence-spectroscopy-of-an-undoped-InAs-substrate-using-NLIR-spectrometer-as-featured-in-Applied-Physics-Letters.jpg)
Time-resolved mid-infrared photoluminescence spectroscopy of an undoped InAs substrate
Hisashi Sumikura et al., Applied Physics Letter 124, 052105 (2024).
![Accurate Characterization of Mixed Plastic Waste Using Machine Learning and Fast Infrared Spectroscopy using NLIR technology described in ASC Sustainable Chemistry & Engineering Journal in 2021](https://nlir.com/wp-content/uploads/Accurate-Characterization-of-Mixed-Plastic-Waste-Using-Machine-Learning-and-Fast-Infrared-Spectroscopy-using-Nlir-technology-as-in-ASC-Sustainable-Chemistry-Engineering-2021.jpg)
Accurate characterization of mixed plastic waste using machine learning and fast infrared spectroscopy
Stas Zinchik et al., ACS Sustainable Chemistry & Engineering 9, pp. 14143-14151 (2021).
![](https://nlir.com/wp-content/uploads/High-resolution-mid-infrared-optical-coherence-tomography-with-kHz-line-rate-using-Nlir-technology-as-in-Optics-Letters-2021.jpg)
High-resolution mid-infrared optical coherence tomography with kHz line rate
Niels M. Israelsen et al., Optics Letters 46, pp. 4558-4561 (2021).
![Toward Fully‐Fledged Quantum and Classical Communication Over Deployed Fiber with Up‐Conversion Module using NLIR technology as featured in Advanced Quantum Technology, 2021](https://nlir.com/wp-content/uploads/Toward-Fully‐Fledged-Quantum-and-Classical-Communication-Over-Deployed-Fiber-with-Up‐Conversion-Module-using-Nlir-technology-as-in-Advanced-Quantum-Technology-2021.jpg)
Toward fully‐fledged quantum and classical communication over deployed fiber with up‐conversion module
Davide Bacco et al., Advanced Quantum Technologies 4, 2000156 (2021).
![Room-Temperature, High-SNR Upconversion Spectrometer in the 6–12 µm Region using NLIR technology as featured in Laser & Photonics Review, 2021](https://nlir.com/wp-content/uploads/Room-Temperature-High-SNR-Upconversion-Spectrometer-in-the-6–12-µm-Region-using-Nlir-technology-as-in-Laser-Photonics-Review-2021.jpg)
Room‐temperature, high‐SNR upconversion spectrometer in the 6–12 µm region
Peter John Rodrigo et al., Laser & Photonics Reviews 15, 2000443 (2021).
![](https://nlir.com/wp-content/uploads/Real-time-high-resolution-mid-infrared-optical-coherence-tomography-using-Nlir-technology-as-in-Light-Science-and-Application-2019.jpg)
Real-time high-resolution mid-infrared optical coherence tomography
Niels M. Israelsen et al., Light: Science & Applications 8, Article number: 11 (2019).
![](https://nlir.com/wp-content/uploads/Mid-infrared-supercontinuum-based-upconversion-detection-for-trace-gas-sensing-using-Nlir-Technlogy-as-in-Optics-Express-2021.jpg)
Mid-infrared supercontinuum-based upconversion detection for trace gas sensing
Khalil E. Jahromi et al., Optics Express 27, pp. 24469 – 24480 (2019).
![Upconversion-based mid-infrared spectrometer using intra-cavity LiNbO3 crystals with chirped poling structure using NLIR technology as featured in Optics Letters, 2019](https://nlir.com/wp-content/uploads/Upconversion-based-mid-infrared-spectrometer-using-intra-cavity-LiNbO3-crystals-with-chirped-poling-structure-using-Nlir-technology-as-in-Optics-Letters-2019.jpg)
Upconversion-based mid-infrared spectrometer using intra-cavity LiNbO3 crystals with chirped poling structure
Søren M. M. Friis et al., Optics Letters 44, pp. 4231 – 4234 (2019).
![Characterization of the NEP of Mid-Infrared Upconversion Detectors using NLIR technology as featured in IEEE Photonics Technology Letters, 2019](https://nlir.com/wp-content/uploads/Characterization-of-the-NEP-of-Mid-Infrared-Upconversion-Detectors-using-Nlir-technology-as-in-IEEE-Photonics-Technology-Letters-2019.jpg)
Characterization of the NEP of mid-infrared upconversion detectors
Rasmus. L. Pedersen et al., IEEE Photonics Technology Letters 31, pp. 681 – 684 (2019).
![](https://nlir.com/wp-content/uploads/Spatially-and-temporally-resolved-IR-DFWM-measurement-of-HCN-released-from-gasification-of-biomass-pellets-using-NLIR-technology-as-featured-in-Proceedings-of-the-Combustion-Institute-2019.jpg)
Spatially and temporally resolved IR-DFWM measurement of HCN released from gasification of biomass pellets
Dina Hot et al., Proceedings of the Combustion Institute 37, pp. 1337 – 1344 (2019).
![Upconversion detector for range-resolved DIAL measurement of atmospheric CH4 using NLIR technology as featured in Optics Express, 2018](https://nlir.com/wp-content/uploads/Upconversion-detector-for-range-resolved-DIAL-measurement-of-atmospheric-CH4-using-NLIR-technology-as-is-Optics-Express-2018.jpg)
Upconversion detector for range-resolved DIAL measurement of atmospheric CH4
Lichun Meng et al., Optics Express 26, pp. 3850 – 3860 (2018).
![](https://nlir.com/wp-content/uploads/Enhancing-the-detectivity-of-an-upconversion-single-photon-detector-by-spatial-filtering-of-upconverted-parametric-fluorescence-using-NLIR-technology-as-in-Optics-Express-2018.jpg)
Enhancing the detectivity of an upconversion single-photon detector by spatial filtering of upconverted parametric fluorescence
Lichun Meng et al., Optics Express 26, pp. 24712 – 24722 (2018).
![Comparison of an InSb Detector and Upconversion Detector for Infrared Polarization Spectroscopy using NLIR technology as featured in Applied Spectroscopy, 2018](https://nlir.com/wp-content/uploads/Comparison-of-an-InSb-Detector-and-Upconversion-Detector-for-Infrared-Polarization-Spectroscopy-using-NLIR-technology-as-in-Applied-Spectroscopy-2018.jpg)
Comparison of an InSb detector and upconversion detector for infrared polarization spectroscopy
Rasmus L. Pedersen et al., Applied Spectroscopy 72, pp. 793 – 797 (2018).
![](https://nlir.com/wp-content/uploads/Mid-infrared-coincidence-measurements-on-twin-photons-at-room-temperature-using-NLIR-technology-as-in-Nature-Communications-2017.jpg)
Mid-infrared coincidence measurements on twin photons at room temperature
M. Mancinelli et al., Nature Communications 8, Article number: 15184 (2017).
![GHz-bandwidth upconversion detector using a unidirectional ring cavity to reduce multilongitudinal mode pump effects using NLIR technology as featured in Optics Express, 2017](https://nlir.com/wp-content/uploads/GHz-bandwidth-upconversion-detector-using-a-unidirectional-ring-cavity-to-reduce-multilongitudinal-mode-pump-effects-as-in-Optics-Express-2017.jpg)
GHz-bandwidth upconversion detector using a unidirectional ring cavity to reduce multilongitudinal mode pump effects
Lichun Meng et al., Optics Express 25, pp. 14783 – 14794 (2017).
![](https://nlir.com/wp-content/uploads/Ultra-broadband-mid-wave-IR-upconversion-detection-as-in-Optics-Letters-2017.jpg)
Ultra-broadband mid-wave-IR upconversion detection
Ajanta Barh et al., Optics Letters 42, pp. 1504 – 1507 (2017).
![](https://nlir.com/wp-content/uploads/Mid-infrared-upconversion-spectroscopy-as-in-Journal-of-the-Optical-Society-of-America-2016.jpg)
Mid-infrared upconversion spectroscopy
Peter Tidemand-Lichtenberg et al., Journal of the Optical Society of America B 33, pp. D28 – D35 (2016).
![Upconversion-based lidar measurements of atmospheric CO2 using NLIR technology as featured in Optics Express, 2016](https://nlir.com/wp-content/uploads/Upconversion-based-lidar-measurements-of-atmospheric-CO2-using-NLIR-technology-as-in-Optics-Express-2016.jpg)
Upconversion-based lidar measurements of atmospheric CO2
Lasse Høgstedt et al., Optics Express 24, pp. 5152 – 5162 (2016).
![](https://nlir.com/wp-content/uploads/Infrared-upconversion-hyperspectral-imaging-using-NLIR-technology-as-in-Optics-Letters-2015.jpg)
Infrared upconversion hyperspectral imaging
Louis M. Kehlet et al., Optics Letters 40, pp. 938 – 941 (2015).
![](https://nlir.com/wp-content/uploads/Low-noise-mid-IR-upconversion-detector-for-improved-IR-degenerate-four-wave-mixing-gas-sensing-using-NLIR-technology-as-in-Optics-Letters-2014.jpg)
Low-noise mid-IR upconversion detector for improved IR-degenerate four-wave mixing gas sensing
Lasse Høgstedt et al., Optics Letters 39, pp. 5321 – 5324 (2014).
![](https://nlir.com/wp-content/uploads/Non-collinear-upconversion-of-infrared-light-using-NLIR-technology-as-in-Optics-Express-2014.jpg)
Non-collinear upconversion of infrared light
Christian Pedersen et al., Optics Express 22, pp. 28027 – 28036 (2014).
![High-resolution mid-IR spectrometer based on frequency upconversion using NLIR tehnology as featured in Optics Letters, 2012](https://nlir.com/wp-content/uploads/High-resolution-mid-IR-spectrometer-based-on-frequency-upconversion-using-NLIR-tehnology-as-in-Optics-Letters-2012.jpg)
High-resolution mid-IR spectrometer based on frequency upconversion
Qi Hu et al., Optics Letters 37, pp. 5232 – 5235 (2012).
![Room-temperature mid-infrared single-photon spectral imaging using NLIR technology as featured in Nature Photonics, 2012](https://nlir.com/wp-content/uploads/Room-temperature-mid-infrared-single-photon-spectral-imaging-using-NLIR-technology-as-in-Nature-Photonics-2012.jpg)
Room-temperature mid-infrared single-photon spectral imaging
Jeppe S. Dam et al., Nature Photonics 6, pp. 788 – 793 (2012).