Results 11 to 20 of about 7,311,766 (303)
Multitone Photoconductive Sensors for Free-Space Optics
IEEE Photonics Journal, 2010 A multitone frequency-biasing technique is applied to an integrated photoconductive (PC) sensor for application to free-space optical (FSO) communication systems.
X. Jin, J.F. Holzman
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Journal of Physics Communications, 2023 Free space optical (FSO) wireless communication has emerged as a viable alternative to the existing fiber optics and radio frequency (RF) communications due to its ability to operate in unlicensed spectrum, offering huge data handling capacities and ...
Abdullah Nafis Khan +2 more
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A Survey of Free Space Optics (FSO) Communication Systems, Links, and Networks
IEEE Access, 2021 The next generation (NG) optical technologies will unveil certain unique features, namely ultra-high data rate, broadband multiple services, scalable bandwidth, and flexible communications for manifold end-users.
Samir Ahmed Al-Gailani +6 more
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Optical Axis Identification Technique for Free Space Optics Transmission
International Journal of Advances in Telecommunications, Electrotechnics, Signals and Systems, 2017 This paper describes optical axis adjustment technique for an active free space optics transmission system. This system precisely controls the direction of a collimated thin laser beam using a motor driven laser emitting mechanism and positioning ...
Yuki Tashiro +4 more
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Digital Communications and Networks, 2015 Attracting increasing attention in recent years, the Free Space Optics (FSO) technology has been recognized as a cost-effective wireless access technology for multi-Gigabit rate wireless networks.
Hui Zhou, Shiwen Mao, Prathima Agrawal
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BER and outage probability of DPSK subcarrier intensity modulated free space optics in fully developed speckle. [PDF]
, 2009 In this paper a differential phase shift keying (DPSK) subcarrier intensity modulated (SIM) free space optical (FSO) link is considered in negative exponential atmospheric turbulence environment.
Ghassemlooy, Zabih +4 more
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Experimental study of bit error rate of free space optics communications in laboratory controlled turbulence [PDF]
, 2010 This paper reports experimental results for the performance of an free space optical (FSO) communication link employing different modulation schemes under the influence of the atmospheric scintillation.
Z. Ghassemlooy +13 more
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Adaptive free space optic system based on visibility detector to overcome atmospheric attenuation
Results in Physics, 2019 Free space optics (FSO) provides high data rate by allowing transmission of signal through atmosphere. FSO is affected by different weather conditions. The atmospheric attenuation is caused by two main factors; absorption and scattering.
Muhammad K. El-Nayal +3 more
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Arrayed Waveguide Grating Spectrometer on 2-µm-thick SOI Platform [PDF]
EPJ Web of Conferences, 2023 32-channel arrayed waveguide grating spectrometer (AWG) at 1800 nm is demonstrated on a 2-µm-thick silicon-on-insulator (SOI) platform. The design and simulation of the device are performed using the beam propagation method (BPM) and we obtain the 3-dB ...
Tippinit Janvit +2 more
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Free Space Optics: Current Applications and Future Challenges
International Journal of Optics, 2015 FSO is a communication system where free space acts as medium between transceivers and they should be in LOS for successful transmission of optical signal. Medium can be air, outer space, or vacuum.
Aditi Malik, Preeti Singh
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