High-capacity free-space optical communications using wavelength-and mode-division-multiplexing in the mid-infrared region

K Zou, K Pang, H Song, J Fan, Z Zhao, H Song… - Nature …, 2022 - nature.com
Due to its absorption properties in atmosphere, the mid-infrared (mid-IR) region has gained
interest for its potential to provide high data capacity in free-space optical (FSO) …

Interband cascade technology for energy-efficient mid-infrared free-space communication

P Didier, H Knötig, O Spitz, L Cerutti… - Photonics …, 2023 - opg.optica.org
Space-to-ground high-speed transmission is of utmost importance for the development of a
worldwide broadband network. Mid-infrared wavelengths offer numerous advantages for …

Bridging the terahertz gap: Photonics-assisted free-space communications from the submillimeter-wave to the mid-infrared

X Pang, O Ozolins, S Jia, L Zhang, R Schatz… - Journal of Lightwave …, 2022 - opg.optica.org
Since about one and half centuries ago, at the dawn of modern communications, the radio
and the optics have been two separate electromagnetic spectrum regions to carry data …

High-speed 9.6-μm long-wave infrared free-space transmission with a directly-modulated QCL and a fully-passive QCD

M Joharifar, H Dely, X Pang, R Schatz… - Journal of Lightwave …, 2023 - opg.optica.org
Free-space optics (FSO) in the mid-infrared (mid-IR) contains rich spectral resources for
future ultrahigh-speed wireless communications yet is currently under-exploited. Two …

150 Gbps multi-wavelength FSO transmission with 25-GHz ITU-T grid in the mid-infrared region

Y Su, J Meng, T Wei, Z Xie, S Jia, W Tian, J Zhu… - Optics …, 2023 - opg.optica.org
The 3∼ 5 µm mid-infrared (mid-IR) light has several exceptional benefits in the case of
adverse atmospheric conditions compared to the 1.5 µm band, so it is a promising candidate …

Free-space transmission of picosecond-level, high-speed optical pulse streams in the 3 µm band

Y Su, W Tian, Y Yu, J Meng, Y Zheng, S Jia, Z Xie… - Optics …, 2023 - opg.optica.org
The utilization of mid-infrared (mid-IR) light spanning the 3-5? µm range presents notable
merits over the 1.5? µm band when operating in adverse atmospheric conditions …

Free-space mid-IR communications using wavelength and mode division multiplexing

AE Willner, K Zou, K Pang, H Song, H Zhou… - Optics …, 2023 - Elsevier
There has been growing interest in free-space optical (FSO) communications in the mid-
infrared (mid-IR) region. In this paper, we review FSO communications in the mid-IR using …

On-chip liquid sensing using mid-IR plasmonics

B Hinkov, M David, G Strasser, B Schwarz… - Frontiers in …, 2023 - frontiersin.org
The investigation of molecules in the mid-IR spectral range has revolutionized our
understanding in many fields such as atmospheric chemistry and environmental sensing for …

Long-wave infrared discrete multitone free-space transmission using a 9.15-μm quantum cascade laser

M Han, M Joharifar, M Wang, Y Fan… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
A free-space optical (FSO) transmission system is experimentally demonstrated in the long-
wave infrared (LWIR,) using a directly modulated quantum cascade laser (DM-QCL) and a …

Novel coding schemes for dual wavelength quantum cascade laser‐based free space optical links

P Ashok, MG Madhan, PMS Raja… - International Journal of …, 2024 - Wiley Online Library
Dual wavelength quantum cascade lasers (DW‐QCLs) are a type of semiconductor laser
that can emit two different wavelengths of light simultaneously. They are constructed using …