Experimental study demonstrates arbitrary ultrafast signal generation using time-varying spectral modulation, highlighting flexible control over multi-wavelength optical pulse sequences.
Time-varying spectral modulation for arbitrary ultrafast signal generation is demonstrated as one of applications of ultrafast time-to-two-dimensional-space-to-time conversion. The continuous sequence of a spectral-decomposed pulse is generated from a seed ultrashort pulse and its spectrum on each timing is independently modulated in the space domain. As a result of preliminary experiments, the ultrashort pulse sequence composed of four pulses of a 1-ps interval with three wavelength channels can be generated after time-varying spectral modulation.
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Konishi et al. (2004) studied this question.
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