Results 1 to 10 of about 7,836,199 (284)

GaAs-chip-based mid-infrared supercontinuum generation

Light: Science & Applications, 2023
The mid-infrared spectral region opens up new possibilities for applications such as molecular spectroscopy with high spatial and frequency resolution. For example, the mid-infrared light provided by synchrotron sources has helped for early diagnosis of ...
Geoffroy Granger, Myriam Bailly, Hugo Delahaye, Cristian Jimenez, Idris Tiliouine, Yann Leventoux, Jean-Christophe Orlianges, Vincent Couderc, Bruno Gérard, Rezki Becheker, Said Idlahcen, Thomas Godin, Ammar Hideur, Arnaud Grisard, Eric Lallier, Sébastien Février   +15 more
doaj   +2 more sources

Mid-infrared analogue polaritonic reversed Cherenkov radiation in natural anisotropic crystals

Nature Communications, 2023
Cherenkov radiation (CR) excited by fast charges can serve as on-chip light sources with a nanoscale footprint and broad frequency range. The reversed CR, which usually occurs in media with the negative refractive index or negative group-velocity ...
Xiangdong Guo, Chenchen Wu, Shu Zhang, Debo Hu, Shunping Zhang, Qiao Jiang, Xiaokang Dai, Yu Duan, Xiaoxia Yang, Zhipei Sun, Shuang Zhang, Hongxing Xu, Qing Dai   +12 more
doaj   +2 more sources

Heteroepitaxial Integration of Mid-Infrared InAsSb Light Emitting Diodes on Silicon

IEEE Photonics Journal, 2019
Silicon photonics has emerged as the most promising technology for next-generation compact optoelectronic systems, but further development is still required to achieve efficient and reliable on-chip light sources.
Evangelia Delli, Peter D. Hodgson, Eva Repiso, Adam P. Craig, Jonathan P. Hayton, Qi Lu, Andrew R. J. Marshall, Anthony Krier, Peter J. Carrington   +8 more
doaj   +2 more sources

Fluoride and chalcogenide glass fiber components for mid-infrared lasers and amplifiers: Breakthroughs, challenges, and future perspective

APL Photonics
Since the early 1990s, when researchers began to explore rare-earth-doped mid-infrared glass fibers, fiber laser systems have emerged as promising high-brightness light sources with wavelengths beyond 2.5 μm for applications in spectroscopy and sensing ...
Kirill Grebnev, Boris Perminov, Toney T. Fernandez, Alex Fuerbach, Maria Chernysheva   +4 more
doaj   +2 more sources

In vivo measurement of mid-infrared light scattering from human skin

Biomedical Optics Express, 2013
Two mid-infrared light sources, a broadband source from a Fourier Transform Infrared Spectrometer (FTIR) and a pulsed Quantum Cascade (QC) Laser, are used to measure angle-resolved backscattering in vivo from human skin across a broad spectral range ...
Anna P. M. Michel, Claire F Gmachl
exaly   +2 more sources

Mid‐Infrared Optoelectronic Waveguide Devices with 2D Materials

Advanced Physics Research
Mid‐infrared (Mid‐IR) integrated optics has tremendous applications in spectroscopic sensing, imaging, and ranging. Compared with visible light and near‐IR wavelengths, the study of mid‐IR photonic integrated devices is limited due to the need for more ...
Liqiang Qi, Tianping Xu, Zhengkun Xing, Si Chen, Zunyue Zhang, Tiegen Liu, Zhenzhou Cheng   +6 more
doaj   +2 more sources

On-chip mid-infrared dispersive wave generation at targeted molecular absorption wavelengths

APL Photonics
The mid-infrared wavelength region is one of the most important spectral ranges for a variety of applications in monitoring and controlling molecules due to the presence of strong characteristic absorption modes of many molecules.
Seong Cheol Lee, Soobong Park, Daewon Suk, Joonhyuk Hwang, Kiyoung Ko, Won Bae Cho, Duk-Yong Choi, Kwang-Hoon Ko, Fabian Rotermund, Hansuek Lee   +9 more
doaj   +2 more sources

All-fiber supercontinuum absorption spectroscopy for mid-infrared gas sensing

APL Photonics
The development of compact fiber-based light sources emitting over a wide wavelength range in the mid-infrared and their application to the detection of greenhouse gases and volatile organic compounds still remain of critical interest.
Rémi Bizot, Idris Tiliouine, Frédéric Désévédavy, Grégory Gadret, Clément Strutynski, Esteban Serrano, Pierre Mathey, Bertrand Kibler, Sébastien Février, Frédéric Smektala   +9 more
doaj   +2 more sources

Metasurface-enhanced mid-infrared imaging spectroscopy with broadband quantum cascade lasers [PDF]

Nature Communications
Mid-infrared spectroscopy offers unparalleled opportunities in sensing through chemically specific detection of molecular absorption fingerprints. Yet its practical applications are limited by weak light-matter interaction and complex and relatively slow
Ivan Sinev, Alessio Cargioli, Diego Piciocchi, Felix Ulrich Brikh, Jérôme Faist, Hatice Altug   +5 more
doaj   +2 more sources

Mid-infrared chirality and chiral thermal emission from twisted α-MoO3

Nature Communications
Chirality in the mid-infrared spectral range plays a crucial role across physical, chemical, and biological sciences, yet sources of chiral infrared light are currently difficult to obtain.
Michael T. Enders, Mitradeep Sarkar, Evgenia Klironomou, Michela Florinda Picardi, Riccardo Bertini, Aleksandra Deeva, Georgia T. Papadakis   +6 more
doaj   +2 more sources