Fast communication is of high importance. Recently, increased data demand and crowded
radio frequency spectrum have become crucial issues. Free-Space Optical Communication …

Free space optical (FSO) communication system has obtained significant importance in
communication field due to its unique features: unlimited spectrum, larger bandwidth and …

Abstract Free Space Optics Systems (FSO) is one of the most effective solutions, especially
for atmospheric turbulence due to the weather and environment structure. Free space optics …

Abstract 1550 nm near-infrared (NIR) light excited lanthanide ion (Ln 3+) doped up-
conversion (UC) materials with tunable emission color have great application potential in …

The use of relays is one of the most promising methods for mitigating impairments of the
performance of free-space optical (FSO) systems and extending their limited transmission …

In this article, different modulation format RZ, CRZ, CSRZ and NRZ on free space optical
communication system has been investigated. It has been observed that external …

We report the performance comparison of mode division multiplexing (MDM)-based radio
over free space optics (RoFSO) transmission system using different modulation formats viz …

Growing interest in free-space optical communication, due to the high bandwidth and
security provided by these links, has generated the necessity of designing high-performance …

In this paper, we present simulation results for the bit error rate (BER) performance and the
fading penalty of a BPSK subcarrier intensity modulation (BPSK-SIM) free-space optical …

In this study, the authors present the measurements performed on a free space optics (FSO)
communications link using an indoor atmospheric chamber. In particular, the authors have …