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Steady-state Raman gain in diamond as a function of pump wavelength

Savitski, Vasili G. and Reilly, Sean and Kemp, Alan J. (2013) Steady-state Raman gain in diamond as a function of pump wavelength. IEEE Journal of Quantum Electronics, 49 (2). pp. 218-223. ISSN 0018-9197

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Abstract

The variation in the Raman gain coefficient in single-crystal diamond for pump wavelengths between 355 and 1450 nm is measured. Two techniques are used: a pump-probe approach giving an absolute measurement and a stimulated Raman oscillation threshold technique giving a relative measurement. Both approaches indicate that the Raman gain coefficient is a linear function of pump wavenumber. With the pump polarized along a < 111 > direction in the crystal, the Raman gain coefficient measured by the pump-probe technique is found to vary from 7.6 +/- 0.8 for a pump wavelength of 1280 nm to 78 +/- 8 cm/GW for a pump wavelength of 355 nm. With the established dependence of the Raman gain coefficient on the pump wavelength, the Raman gain coefficient can be estimated at any pump wavelength within the spectral range from 355 up to 1450 nm.

Item type: Article
ID code: 42974
Keywords: diamond, optical pumping, pump wavenumber, pump lasers, stimulated Raman oscillation threshold, Physics, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Condensed Matter Physics
Subjects: Science > Physics
Department: Faculty of Science > Physics > Institute of Photonics
Faculty of Science > Physics
Technology and Innovation Centre > Photonics
Depositing user: Pure Administrator
Date deposited: 22 Feb 2013 15:27
Last modified: 30 Jan 2019 13:22
Related URLs:
URI: https://strathprints.strath.ac.uk/id/eprint/42974
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