Long-Wave Infrared Discrete Multitone Free-Space Transmission Using a 9.15-μm Quantum Cascade Laser

被引：8

作者：

Han, Mengyao ^{[1
,2
]}

Joharifar, Mahdieh ^{[2
]}

Wang, Muguang ^{[1
]}

Fan, Yuchuan ^{[3
]}

Maisons, Gregory ^{[4
]}

Abautret, Johan ^{[4
]}

Sun, Yan-Ting ^{[2
]}

Teissier, Roland ^{[4
]}

Zhang, Lu ^{[5
]}

Bobrovs, Vjaceslavs ^{[6
]}

Yu, Xianbin ^{[5
]}

Schatz, Richard ^{[2
]}

Popov, Sergei ^{[2
]}

Ozolins, Oskars ^{[2
]}

Pang, Xiaodan ^{[2
]}

机构：

[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network, Adv Telecommun Network, Beijing 100044, Peoples R China

[2] KTH Royal Inst Technol, Dept Appl Phys, Stockholm 10691, Sweden

[3] RISE Res Inst Sweden, Kista, Sweden

[4] mirSense, Palaiseau, France

[5] Zhejiang Univ, Coll Informat Sci & Elect Engn, Hangzhou, Peoples R China

[6] Riga Tech Univ, Inst Telecommun, Riga, Latvia

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2023年 / 35卷 / 09期

基金：

瑞典研究理事会; 欧盟地平线“2020”; 中国国家自然科学基金;

关键词：

Free-space optical communication; long-wave infrared; discrete multitone; quantum cascade laser;

D O I：

10.1109/LPT.2023.3257843

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A free-space optical (FSO) transmission system is experimentally demonstrated in the long-wave infrared (LWIR, 9.15 mu m) using a directly modulated quantum cascade laser (DM-QCL) and a commercial mercury-cadmium-telluride infrared photovoltaic detector. At room temperature, the DMQCL is current-modulated by discrete multitone signals pre-processed with bit-/power-loading. Up to 5.1 Gbit/s data rate is achieved with bit error rate performance below the 6.25% overhead hard-decision forward error correction limit of 4.5 x 10(-3), enabled by a frequency domain equalizer. The stability study of the FSO system is also performed at multiple temperature values. This study can provide a valuable reference for future terrestrial and space communications.

引用

页码：489 / 492

页数：4