Laser design

A cooler Raman laser

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Textbooks suggest that heating, caused by phonon emission, is an inevitable and intrinsic by-product of light generation in a Raman laser. Now a design has emerged that reduces the phonon emission and may lead to higher efficiency and smaller devices.

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Figure 1: Processes that occur in a Raman laser.


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Jalali, B. A cooler Raman laser. Nature Photon 1, 691–692 (2007) doi:10.1038/nphoton.2007.240

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