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Appl. Sci. 2014, 4(4), 498-514;

Continuous-Wave Molecular Modulation Using a High-Finesse Cavity

Department of Physics, University of Wisconsin at Madison, 1150 University Avenue, Madison, WI 53706, USA
Author to whom correspondence should be addressed.
Received: 26 September 2014 / Revised: 5 November 2014 / Accepted: 10 November 2014 / Published: 18 November 2014
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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

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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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