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https://www.nist.gov/image/chip-system-illustration

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# on-chip system illustration

## Appears In

                        - Manipulating Multiple Lasers on a Single Chip: Paving the Way for a New Generation of Quantum Devices

NIST researchers designed and fabricated this on-chip system to shape multiple laser beams (blue arrows) and control their polarization before the light is sent into space to interact with a device or material. Three components all contribute to manipulating the laser beams: An evanescent coupler (EVC), which couples light from one device to another; a metagrating (MG), a tiny surface imprinted with millions of tiny holes that scatter light just as a large-scale diffraction grating would; and a metasurface (MS), a small glass surface studded with millions of pillars that acts as lenses.

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