Random Unitary Beamforming (RUB)
Overview Random Unitary Beamforming (RUB) is a beamforming technique that was originally developed for Multiple-input multiple output (MIMO) wireless systems. In…
Read MoreMach-Zender Modulators (MZM)
Summary Mach-Zender Modulators (MZM) are electro-optic devices used to encode information into a laser beam before transmission, using materials such as…
Read MoreSelf-Defocusing/Thermal Bloom
Overview Self-defocusing in free-space optics (FSO) describes the divergence of a laser beam beyond that predicted by diffraction. It commonly results…
Read MoreRayleigh Length
Rayleigh Length Summary Rayleigh length is a fundamental concept in optics that describes how far a collimated beam, typically a Gaussian…
Read MoreRaman Scattering and Spectroscopy
What Is Raman Scattering? Raman scattering is a physical process that occurs when light interacts with molecules and causes them to…
Read MoreLight Scattering
Summary Rayleigh Scattering Rayleigh scattering is the scattering of light or other electromagnetic radiation by particles in the Earth’s atmosphere that…
Read MoreFast Steering Mirrors (FSMs)
Summary Fast Steering Mirrors or adaptive optics are precision-controlled, rapidly adjustable mirrors, crucial in Free Space Optics (FSO) systems for stabilizing…
Read MoreHeterodyne Detection and Homodyne Detection
Heterodyne Detection Heterodyne detection, also known as coherent detection, is a method used in Free Space Optics (FSO) to enhance signal…
Read MoreCoherent Light Sources
Coherent Light Sources Coherent light sources are lasers that emit light with a high degree of coherence, meaning the light waves…
Read MoreQuantum Photonic-Dimer Laser
Overview Researchers at the McKelvey School of Engineering, Washington University in St. Louis, are developing a novel quantum photonic-dimer laser that…
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