The parameters of prospective samples of atmospheric optical communication lines (AOCL) or free-space optics (FSO) based on quantum-cascade lasers (QCL) as compared to those of existing commercial systems are analyzed. The results indicate that the use of QCL in FSO has significant advantages over existing systems, due largely to longwave radiation and the QCL modulation dynamics, which are limited by the picosecond lifetime of current carriers that provides the fundamental possibility of obtaining an inherent bandwidth of ≥100 GHz. Possible applications of FSO based on IR QCL and THz QCL are discussed taking into account the experimental data and unique properties of QCL radiation. Also, the use of non-traditional methods to eliminate the influence of turbulence and increase the capacity of the information transmission channel is discussed.

与现有的商用系统相比，分析了基于量子级联激光器（QCL）的大气光通信线路（AOCL）或自由空间光学（FSO）的预期样本的参数。结果表明，在FSO中使用QCL具有优于现有系统的优势，这在很大程度上归因于长波辐射和QCL调制动力学，这受到电流载波的皮秒寿命的限制，这为获得≥的固有带宽提供了基本的可能性。 100 GHz。考虑到实验数据和QCL辐射的独特特性，讨论了基于IR QCL和THz QCL的FSO的可能应用。此外，还讨论了使用非传统方法来消除湍流的影响并增加信息传输通道的容量。