High-Speed Train System
Overview Trains that have wireless communication capabilities, either for on-board customer use or transport communication services, typically operate in RF bands.…
Read MoreQuantum Experiments at Space Scale (QUESS)
Overview Quantum Experiments at Space Scale (QUESS) is an international project which aims to establish a quantum-encrypted European-Asian network by 2020,…
Read MoreSaturation Flux Density (SFD)
Overview Saturation flux density (SFD) is a measure of how much power a signal must have to saturate a detector. Flux…
Read MoreFSO Underwater
Overview Free-space optical communications are typically performed in free space, such as air and vacuum, due to the high transmissivity of…
Read MoreAlleviation of Jamming in Free Space Optical Communication
Overview Most FSO communications systems operate at a limited range of distinct wavelengths (usually 1300 nm or 1550 nm) making them…
Read MoreConfining Light in 3-D Space
New communication technology such as ultra-wideband and 5G is increasing the demand for Photonic Integrated Circuits (PIC). PIC was thought of…
Read MoreTransportable Optical Ground Station (TOGS)
Overview Transportable Optical Ground Station (TOGS). See Optical Ground Station (OGS). Near real-time data downlinks from aircrafts, satellites and high altitude…
Read MoreMitigation Techniques for FSO
Overview Environmental conditions create significant obstructions to completing satellite-to-ground links (SGL) with OGSs. Multiple potential approaches exist to negate environmental effects…
Read MoreAreas of Ongoing FSO Research
Overview FSO is an emerging field where uncertainties exist in applications, fundamentals, and ways to utilize technology. As with all optics-based…
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