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Quantum Cascade Laser for FSO Communication

Overview Quantum Cascade Laser (QCL) is a semiconductor-based laser whose operation is unipolar meaning it only depends on the inter-band transition…

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Optical Wireless Home Networks (OWHN)

Overview Optical Wireless Home Networks (OWHN), more commonly known as indoor FSO networks, is a wireless broadband communication within homes and…

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Error Control Coding

Overview Error control coding (ECC) is the coding procedure done to control the occurrences of errors. These techniques help in Error…

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Eye Safety

Overview Eye safety is a prominent topic for any optics technology. Since FSO products, especially in urban areas, will be directing…

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Smart Antennae

Overview Smart antennae are antenna arrays with smart processing algorithms and are used in identifying spatial signals. A smart antenna takes…

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FSO Overview and Key Terms

Overview Free-Space Optics (FSO) communication, also called free-space optical communication, is an optical communication technology that uses light propagating in free…

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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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