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Appl. Sci. 2014, 4(4), 498-514; doi:10.3390/app4040498

Continuous-Wave Molecular Modulation Using a High-Finesse Cavity

Department of Physics, University of Wisconsin at Madison, 1150 University Avenue, Madison, WI 53706, USA
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Received: 26 September 2014 / Revised: 5 November 2014 / Accepted: 10 November 2014 / Published: 18 November 2014
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Abstract

We demonstrate an optical modulator at a frequency of 90 THz that has the capability to modulate any laser beam in the optical region of the spectrum. The modulator is constructed by placing deuterium molecules inside a high-finesse cavity and driving a vibrational transition with two continuous-wave laser beams. The two beams, the pump and the Stokes, are resonant with the cavity. The high intra-cavity intensities that build up drive the molecules to a coherent state. This molecular coherence can then be used to modulate an independent laser beam, to produce frequency up-shifted and down-shifted sidebands. The beam to be modulated is not resonant with the cavity and thus the sidebands are produced in a single pass. View Full-Text
Keywords: stimulated Raman scattering; Raman lasing; optical modulators; ultrafast physics; subfemtosecond pulses stimulated Raman scattering; Raman lasing; optical modulators; ultrafast physics; subfemtosecond pulses
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Gold, D.C.; Weber, J.J.; Yavuz, D.D. Continuous-Wave Molecular Modulation Using a High-Finesse Cavity. Appl. Sci. 2014, 4, 498-514.

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