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.

References

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    Vermeulen, N., Debaes, C., Muys, P. & Theinpont, H. Phys. Rev. Lett. 99, 093903 (2007).

  2. 2

    Bobbs, B. & Warner, C. J. Opt. Soc. Am. B 7, 234–238 (1990).

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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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