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The novel scheme for lightwave modulation based on ultrafast modulation of polarizability induced by a coherently excited molecular motion has attracted attention as an alternative to a widely-used optical modulator based on an electro-optic effect to extend it to much higher frequency. A pulsed laser was first used to demonstrate the feasibility of this approach [1], and recently a cavity enhanced...
A continuous-wave multicolor laser with wavelengths of 436, 532 and 683 nm is developed. These lines are generated through stimulated Raman scattering and Raman-resonant four-wave mixing in hydrogen molecules in a broadband optical cavity.
The phase-matched intracavity four-wave mixing is controlled by the total dispersion of the optical cavity. Continuous-wave Raman sidebands are generated through three different pathways depending on the phase-matching conditions.
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