Category Photonics

New efficient, high brightness, and tunable Quantum cascade laser (QCL)s technologes from mid-wave infrared (MWIR) to Terahertz region promise chemical warfare agents & hidden explosives detectors, to infrared countermeasure (IRCM) systems

QCLtech

Compact, chip-based lasers have conquered much of the electromagnetic spectrum, from ultraviolet to infrared, enabling technologies from digital communications and barcode readers to laser pointers and printers. Diode lasers depend on the process of electron-hole recombination: an electron from the…...

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Laser stabalization and tracking technologies for moving platform mounted Directed Energy Weapons (DEWs)

lasertracking

The  drones have emerged as a major new threat to civilian infrastructure and military. Counter-drone technology, also known as counter-UAS, C-UAS, or counter-UAV technology, refers to systems that are used to detect and/or intercept unmanned aircraft. One of the attractive…...

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Terahertz Photonics breakthroughs promise ultrahigh speed communication systems to medical imaging and diagnostics, industrial quality control, and security screening

terahertzphotonics

Terahertz (THz, 1012 Hz) technology is based on light sources with frequencies much lower than of visible light, and slightly higher than of microwaves. Such light sources have a number of unique capabilities, for example that it can propagate through…...

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Optical processors for high performance and energy efficient computing for data centres and supercomputers

opticalcomputer

Moore’s Law which stated that the number of transistors on a chip will double approximately every two years has been the driver of semiconductor industry in boosting the complexity, computational performance and energy efficiency while reducing cost. The increase in…...

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Graphene enables room temperature single photon emitter and detector for unhackable Quantum Key Cryptography (QKD)

QKDsingle

Quantum Key Distribution, or QKD, enables two remote parties, “Alice” and “Bob”, who are connected by a passive optical link to securely generate secret key material. Single-photon sources (SPSs) and single-photon detectors (SPDs) are key devices for enabling practical quantum key…...

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Optical Circulators are building blocks for chips for optical communication networks and quantum computers

opticalcirculator

Fiber optical circulators are used to separate optical signals that travel in opposite directions in an optic fiber in order to complete bidirectional transmission. Optical circulators are also known as non-reciprocal optics, which means when the light travels in the…...

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Hollow-core optical fibers enable secure communications in data centers, accurate sensing gyro for Aerospace applications

evolution of optical fibers 13 638

Conventional optical fibers are fabulously successful, but they have profound limitations. They contain a glass core at the center of the fiber through which light is transmitted. However, not only does this glass center limit the speed of the light…...

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Solar fiber optic lighting for daylighting of high-rise intensive buildings and military shelters

solarlighting

Conventional daylighting scheme employing windows and skylights are no longer so useful especially for daylighting of high-rise and intensive buildings. Residential buildings with limited natural lighting are generally lit by fuel-based electricity which contributes to increase of CO2 concentration in…...

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DARPA DeMi developing technologies for space based telescope on it’s military CubeSat satellite for Space Surveillance Awareness

spacetelescope

The volume of space between the Earth’s surface out to geosynchronous orbit is enormous—equivalent to 240,000 times all the Earth’s oceans. Yet the number of objects calling that volume home is growing all the time—not just with satellites but with…...

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DARPA operationalizes Space Surveillance Telescope in Australia, earlier handed over to Air Force Space Command to protect satellites from orbiting junk and space weapons

SST

A U.S.-developed space surveillance telescope has been assembled at a new facility in Western Australia and is expected to start operating in 2022, the U.S. Space Force Space and Missile Systems Center announced April 2020. The telescope, designed to track and…...

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