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Abstract <p>Generation of Fourier-limited pulses with repetition rate higher than 1 GHz from a periodically phase-modulated CW laser field by phase manipulation of its spectral components is considered. Phase modulation in the form of modulus function of sine (MFS) is proposed. It allows producing pedestal-free pulses with controllable repetition rate and duty cycle. Sidelobes of these pulses can be excluded by choosing a proper modulation index. The proposed method allows producing pulses with 50% duty ratio. It is shown that three-tone modulation of phase allows simulating MFS phase modulation.</p>

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Spectral Line-by-Line Pulse Shaping and Control of a Phase-modulated CW Laser Field

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • R. N. Shakhmuratov

摘要

Abstract

Generation of Fourier-limited pulses with repetition rate higher than 1 GHz from a periodically phase-modulated CW laser field by phase manipulation of its spectral components is considered. Phase modulation in the form of modulus function of sine (MFS) is proposed. It allows producing pedestal-free pulses with controllable repetition rate and duty cycle. Sidelobes of these pulses can be excluded by choosing a proper modulation index. The proposed method allows producing pulses with 50% duty ratio. It is shown that three-tone modulation of phase allows simulating MFS phase modulation.