Advanced technologies for satellite navigation and geodesy
G Giorgi, TD Schmidt, C Trainotti, R Mata-Calvo… - Advances in Space …, 2019 - Elsevier
This manuscript reviews recent progress in optical frequency references and optical
communication systems and discusses their utilizations in global satellite navigation …
communication systems and discusses their utilizations in global satellite navigation …
Digital turbulence compensation of free space optical link with multimode optical amplifier
We demonstrate digital turbulence compensation using a 12-spatial mode digital coherent
receiver with a multimode preamplifier that provides a 6-dB sensitivity improvement. This …
receiver with a multimode preamplifier that provides a 6-dB sensitivity improvement. This …
Adaptive digital combining for coherent free space optical communications with spatial diversity reception
J Sun, P Huang, Z Yao, J Guo - Optics Communications, 2019 - Elsevier
Spatial diversity reception is an effective technology to mitigate the atmospheric turbulence
effect on the performance of the coherent free space optical (FSO) communications …
effect on the performance of the coherent free space optical (FSO) communications …
Bidirectional 20-Gbit/s OOK link with a 4-telescope array and incoherent signal combining
N Perlot, P Hanne, J Perdigues - 2019 IEEE International …, 2019 - ieeexplore.ieee.org
We present experimental results on a bidirectional link between a telescope array and a
single-telescope antenna. Each telescope is coupled to a single-mode fiber. A fine tracking …
single-telescope antenna. Each telescope is coupled to a single-mode fiber. A fine tracking …
Atmospheric emulation and testing methodology for laboratory verification of FSO communications transceivers
DJ Geisler, KSY Wong, RT Schulein… - … on Space Optical …, 2019 - ieeexplore.ieee.org
Free-space optical (FSO) communications systems are under development by NASA to
support a wide variety of missions (eg, long-distance deep-space links and near-Earth low …
support a wide variety of missions (eg, long-distance deep-space links and near-Earth low …
Impact of atmospheric turbulence and weather conditions on the performance of satellite-to-ground optical communication system based on multiaperture coherent …
X Zhang, S Cui, D Liu, Y Jiang - Optical Engineering, 2019 - spiedigitallibrary.org
For satellite-to-ground downlink optical communication systems, it is desirable to reduce the
size, weight, and power profiles of the space terminals by employing high sensitivity and …
size, weight, and power profiles of the space terminals by employing high sensitivity and …