From a bulky cylinder to a tiny chip. (IMAGE)

Chalmers University of Technology

From a bulky cylinder to a tiny chip.

Caption

The novel compact optical amplifier is thousands of times smaller than its precursor. The new component is made of silicon nitride and consists of nine separate waveguides. Each waveguide is composed of 22 spirals and can amplify light by about 10 times with a noise figure of only 1.2 decibels. Each waveguide on the 20 millimeters chip outperforms the single bulky amplifier.

Credit

Image: Ping Zhao, Zhichao Ye and Yen Strandqvist/Chalmers University of Technology

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