Polarizing Filter

About

See how the light changes as it travels through the polarizer. Scientists can make devices that emit photons one at a time, all with the same polarization. They can also use a combination of lenses (similar to those in eyeglasses), mirrors and crystals to manipulate and measure photon polarization. It turns out that polarization is one of the simplest properties of light to work with and so it is commonly used for storing a quantum bit, entangling photons and processing quantum information.

Archive

Wikimedia Commons, in Wikimedia Commons

Licence or status

CC BY-SA 4.0, as the Wikimedia Commons states it.

Rights statement

Creative Commons Attribution-Share Alike 4.0

Credit

Jillian Kunze/The Quantum Atlas

Who can watch

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