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2007•Applied Physics LettersOpen access

Ultrashort pulse generation in lasers by nonlinear pulse amplification and compression

Luming Zhao, Dingyuan Tang, Tonglei Cheng, Chao Lü

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Abstract

Generation of ultrashort, transform-limited pulses in a laser resonator by means of nonlinear pulse amplification and compression is observed both numerically and experimentally; this constitutes another type of pulse shaping mechanism in the mode-locked lasers. It is shown that as a result of nonlinear pulse compression, mode-locked pulse with pulse width beyond the gain bandwidth limitation could be directly generated in a laser.

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What this paper is about

Generation of ultrashort, transform-limited pulses in a laser resonator by means of nonlinear pulse amplification and compression is observed both numerically and experimentally; this constitutes another type of pulse shaping mechanism in the mode-locked lasers. It is shown that as a result of nonlinear pulse compression, mode-locked pulse with pulse width beyond the gain bandwidth limitation could be directly generated in a laser.

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Available abstract

Generation of ultrashort, transform-limited pulses in a laser resonator by means of nonlinear pulse amplification and compression is observed both numerically and experimentally; this constitutes another type of pulse shaping mechanism in the mode-locked lasers. It is shown that as a result of nonlinear pulse compression, mode-locked pulse with pulse width beyond the gain bandwidth limitation could be directly generated in a laser.

Key concepts: Ultrashort pulse, Bandwidth-limited pulse, Multiphoton intrapulse interference phase scan, Femtosecond pulse shaping, Pulse compression, Laser, Optics, Prism compressor

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