Interception Resistance

Overview FSO communications have built-in interception resistance due to the way information is sent. Consider first how a radio-frequency signal is…

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Space Development Agency (SDA)

The Space Development Agency (SDA) is a United States government entity that researches, develops, and fields next-generation technology for the United…

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Wavelength Division Multiplexing (WDM)

Overview Wavelength division multiplexing (WDM) is the combination of many optical signals into one transmission medium. Rather than sending a signal…

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FSO Physical Limitations

Some FSO Limitations include the following: Obstructions Flying birds, trees, and tall buildings can temporarily block a single beam when it…

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Optical Inter-Satellite Links (OISL)

Overview Inter-Satellite Links (ISL) allow satellites to communicate with each other in a constellation. Optical Inter-Satellite Links (OISL) are ISLs that utilize…

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Optical Limitations

Absorption Absorption is caused by molecules suspended in the terrestrial atmosphere interacting with an incident photon and absorbing some or all…

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Quantum Key Distribution (QKD)

Overview Quantum Key Distribution (QKD) is a communications method which uses a cryptographic protocol involving components of quantum mechanics. It is…

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Dynamic Networks (SDN/NFV)

Dynamic networks are networking systems that are designed to be adapted to a customer’s needs. Typically, dynamic networking refers to controlling…

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UV Non-Line-of-Sight System

An Ultraviolet Non-Line-Of-Sight system (or, UV NLOS system) is a system designed to perform short-ranged free-space optical communication using atmospheric scattering…

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Attochron

Attochron, LLC, is a United States company based in of Lexington, Virginia, that specializes in the development of ultrashort pulse laser…

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