Investigation of anti-Stokes Raman processes at phonon-polariton resonances for phonon removal and laser cooling

Yujie J. Ding

doi:10.1117/12.2224930

17 May 2016 Investigation of anti-Stokes Raman processes at phonon-polariton resonances for phonon removal and laser cooling

Yujie J. Ding

Author Affiliations +

Proceedings Volume 9821, Tri-Technology Device Refrigeration (TTDR); 982106 (2016) https://doi.org/10.1117/12.2224930
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

In this proceedings article, we summarize our recent results on the feasibility studies made on Raman oscillation, frequency upconversion, and Raman amplification which are achievable in a second-order nonlinear medium at the phonon-polariton resonance. By beating two optical fields, a second-order nonlinear polarization is generated inside the medium. Such a polarization induces a spatially-uniform non-propagating electric field at the beat frequency, which in turn mixes with the input optical field at the lower frequency to generate or amplify the anti-Stokes optical field. Raman oscillation can be efficiently reached for the co-propagating configuration. In comparison, efficient frequency upconversion and large amplifications can be achieved for the counter-propagating configuration. These Raman processes can be used to effectively remove transverse-optical phonons before decaying to lower-frequency phonons, perhaps reach thresholds for laser cooling, and significantly enhance coherent anti-Stokes Raman scattering. The counter-propagating configuration offers advantages for amplifying extremely weak signals, efficient phonon removal, and laser cooling.

Citation Download Citation

Yujie J. Ding "Investigation of anti-Stokes Raman processes at phonon-polariton resonances for phonon removal and laser cooling", Proc. SPIE 9821, Tri-Technology Device Refrigeration (TTDR), 982106 (17 May 2016); https://doi.org/10.1117/12.2224930

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