Femtosecond Mamyshev fiber oscillator started by a passively Q-switched microchip laser

被引：16

作者：

Pizzurro, Sara ^{[1
]}

Gotti, Riccardo ^{[1
]}

Carra, Luca ^{[2
]}

Piccinno, Giuliano ^{[2
]}

Agnesi, Antonio ^{[1
]}

Pirzio, Federico ^{[1
]}

机构：

[1] Univ Pavia, Dipartimento Ingn Ind & Informaz, Via Ferrate 5, I-27100 Pavia, Italy

[2] Bright Solut Srl, Via Artigiani 27, I-27010 Cura Carpignano, PV, Italy

来源：

OPTICS LETTERS | 2022年 / 47卷 / 08期

关键词：

SELF-PULSATING SOURCES; PULSES; GENERATION; MEGAWATT; POWER;

D O I：

10.1364/OL.457486

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A femtosecond Mamyshev fiber oscillator in normal dispersion mode at 1 mu m was started reliably and safely by an inexpensive diode-pumped passively Q-switched monolithic microchip laser emitting 300-ps pulses. Four-wave mixing spectral broadening is shown to play a pivotal role in starting the Mamyshev oscillator, owing to the random short and intense temporal fluctuations allowed by its similar to 10-nm bandwidth. Systematic studies of the starting dynamics show that a success rate of 100% of the attempts is achieved with modest seed energy, as low as similar to 30 nJ from the sub-nanosecond laser, corresponding to similar to 100 pJ for the total four-wave mixing signal required to start the oscillation. (C) 2022 Optica Publishing Group

引用

页码：1960 / 1963

页数：4

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