A temperature-tunable random laser

Diederik S. Wiersma () and Stefano Cavalieri
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Diederik S. Wiersma: European Laboratory for Nonlinear Spectroscopy and Istituto Nazionale per la Fisica della Materia
Stefano Cavalieri: European Laboratory for Nonlinear Spectroscopy, Università di Firenze, and Istituto Nazionale per la Fisica della Materia

Nature, 2001, vol. 414, issue 6865, 708-709

Abstract: Abstract Random lasers have fascinating emission properties that lie somewhere between those of a conventional laser and a common light-bulb. We have created a random laser that can be brought above and below its threshold for laser emission by small changes in its temperature, thereby creating a light source with a temperature-tunable colour spectrum. As a single random laser can be made as small as a grain of tens of micrometres in diameter, we expect our device to find application in photonics, temperature-sensitive displays and screens, and in remote temperature sensing.

Date: 2001
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DOI: 10.1038/414708a

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