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

被引:44
作者
Didier, Pierre [1 ,2 ]
Knoetig, Hedwig [3 ]
Spitz, Olivier [1 ,4 ]
Cerutti, Laurent [5 ]
Lardschneider, Anna [2 ]
Awwad, Elie [1 ]
Diaz-Thomas, Daniel [5 ]
Baranov, A. N. [5 ]
Weih, Robert [6 ]
Koeth, Johannes [6 ]
Schwarz, Enedikt [3 ]
Grillot, Frederic [1 ,7 ]
机构
[1] Inst Polytech Paris, LTCI Telecom Paris, F-91120 Palaiseau, France
[2] MirSense, Ctr Integrat NanoInnov, F-91120 Palaiseau, France
[3] TU Wien, Inst Solid State Elect, A-1040 Vienna, Austria
[4] Univ Cent Florida, Coll Opt & Photon, CREOL, Orlando, FL 32816 USA
[5] Univ Montpellier, Inst Elect & Syst, CNRS, UMR 5214, F-34000 Montpellier, France
[6] Nanoplus Nanosyst & Technol GmbH, D-97218 Gerbrunn, Germany
[7] Univ New Mexico, Ctr High Technol Mat, Albuquerque, NM 87106 USA
关键词
IR SUPERCONTINUUM GENERATION; LASERS;
D O I
10.1364/PRJ.478776
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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 building such a system, spanning from low atmospheric attenuation to eye-safe operation and resistance to inclement weather conditions. We demonstrate a full interband cascade system for high-speed transmission around a wavelength of 4.18 mu m. The low-power con-sumption of both the laser and the detector in combination with a large modulation bandwidth and sufficient output power makes this technology ideal for a free-space optical communication application. Our proof-of -con-cept experiment employs a radio-frequency optimized Fabry-Perot interband cascade laser and an interband cascade infrared photodetector based on a type-II InAs/GaSb superlattice. The bandwidth of the system is evaluated to be around 1.5 GHz. It allows us to achieve data rates of 12 Gbit/s with an on-off keying scheme and 14 Gbit/s with a 4-level pulse amplitude modulation scheme. The quality of the transmission is enhanced by conventional pre-and post-processing in order to be compatible with standard error-code correction.(c) 2023 Chinese Laser Press
引用
收藏
页码:582 / 590
页数:9
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