Overview Quantum Key Distribution (QKD) is a communications method which uses a cryptographic protocol involving components of quantum mechanics. It is based on individual light quanta (single ...

Overview Dynamic networks are networking systems that are designed to be adapted to a customer's needs. Typically, dynamic networking refers to controlling the software of a network to meet a user's ...

Overview Applied Technology Associates (ATA) is a small business with operating sites in New Mexico, Maryland, Alabama, and various Air Force bases and missile testing sites around the United States. ...

Absorption Absorption is caused by molecules suspended in the terrestrial atmosphere interacting with an incident photon and absorbing some or all of its energy. Absorption is strongly correlated to ...

Obstructions Flying birds, trees, and tall buildings can temporarily block a single beam when it appears in line of sight (LOS) of transmission in an FSO system. Scintillation There can exist ...

Overview Wavelength division multiplexing (WDM) is the combination of many optical signals into one transmission medium. Rather than sending a signal at 1550nm or 630nm, or sending both using two ...

Overview AMERGINT is a technology development company based out of Colorado Springs, Colorado. AMERGINT specializes in the space industry and has delivered satellite test systems, innovative software, ...

Overview Saturation flux density (SFD) is a measure of how much power a signal must have to saturate a detector. Flux density is a solid angle measurement in optics, but the typical measurement is ...

Overview FSO communications have built-in interception resistance due to the way information is sent. Consider first how a radio-frequency signal is sent. RF signals are broadcast over an area and are ...

Overview The ITU-R or International Telecommunication Union for Radiocommunications is an international specialized agency of the United Nations that governs the worldwide radio frequency spectrum and ...