Photonic integrated spatial light receivers play a crucial role in free space optical (FSO)
communication systems. In this paper, we propose a 4-channel and 6-channel spatial light …

Coherent digital combining technology using multiple small apertures has a lot of
advantages over doing so with a single large aperture, including the effective mitigation of …

The coherent laser signals of optical wireless communication suffer dramatic intensity
fluctuations due to the atmospheric turbulence effect. A larger receiver aperture could only …

In free-space optical communication links, the combining of optical signals from multiple
apertures is a well-known method to collect more power for improved sensitivity or mitigation …

Differential phase shift keying (DPSK) modulation and multi-aperture receiving are effective
means for suppressing flickering, deviation, and fragmentation of the light spot by …

A novel method of pre-compensating the phase distortions outside the fiber laser array
based on active integrated wavefront sensing is proposed and demonstrated …

Atmospheric turbulence severely degrades the optical wavefront of a propagating beam,
which greatly reduces the coupling efficiency of free-space optical (FSO) receivers. Among …

Free-space optical communication (FSOC) systems with variable data-rates can support
different missions with different transmission distances and ensure reliable transmission in …

为了减小大气湍流对自由空间光(FSO) 通信系统的性能衰落, 文章提出了基于数字相干合成的多
孔径接收方案. 数字相干合成技术依靠数字相位对齐算法将不同版本的信号进行相位对齐 …

Coherent combining in multi-aperture reception for free-space communication applications
requires active phase alignment. Here, using 50/50-fiber-couplers and optically preamplified …