Generation of Chirped Femtosecond Pulses near 977 nm Using a Mode-Locked All-Fiber Laser

Svetlana S. Aleshkina; Denis S. Lipatov; Vladimir V. Velmiskin; Valery Temyanko; Mikhail E. Likhachev

doi:10.1109/LPT.2020.2998902

Generation of Chirped Femtosecond Pulses near 977 nm Using a Mode-Locked All-Fiber Laser

Svetlana S. Aleshkina, Denis S. Lipatov, Vladimir V. Velmiskin, Valery Temyanko, Mikhail E. Likhachev

Optical Sciences, College of

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

A cladding-pumped all-fiber chirped femtosecond pulse Yb-doped mode-locked laser operating near 977 nm was demonstrated for the first time. Nonlinear polarization evolution was used as the mode-locking mechanism. The laser was self-starting and extremely stable (the stability of the repetition rate of 41.6 MHz was better than that of 15 Hz). Amplification near 977 nm was achieved using a specially designed cladding-pumped Yb-doped fiber. The main feature of the current laser design was its increased intracavity nonlinearity, which resulted in a strong self-phase modulation and significant widening of the generated pulse spectrum. This nonlinearity allowed us to generate pulses compressible down to a duration of 230 fs using an external diffraction grating compressor.

Original language	English (US)
Article number	9104686
Pages (from-to)	811-814
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	32
Issue number	13
DOIs	https://doi.org/10.1109/LPT.2020.2998902
State	Published - Jul 1 2020

Keywords

Fiber lasers
Ytterbium
optical fibers

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/LPT.2020.2998902

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title = "Generation of Chirped Femtosecond Pulses near 977 nm Using a Mode-Locked All-Fiber Laser",

abstract = "A cladding-pumped all-fiber chirped femtosecond pulse Yb-doped mode-locked laser operating near 977 nm was demonstrated for the first time. Nonlinear polarization evolution was used as the mode-locking mechanism. The laser was self-starting and extremely stable (the stability of the repetition rate of 41.6 MHz was better than that of 15 Hz). Amplification near 977 nm was achieved using a specially designed cladding-pumped Yb-doped fiber. The main feature of the current laser design was its increased intracavity nonlinearity, which resulted in a strong self-phase modulation and significant widening of the generated pulse spectrum. This nonlinearity allowed us to generate pulses compressible down to a duration of 230 fs using an external diffraction grating compressor.",

keywords = "Fiber lasers, Ytterbium, optical fibers",

author = "Aleshkina, {Svetlana S.} and Lipatov, {Denis S.} and Velmiskin, {Vladimir V.} and Valery Temyanko and Likhachev, {Mikhail E.}",

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AU - Aleshkina, Svetlana S.

AU - Lipatov, Denis S.

AU - Velmiskin, Vladimir V.

AU - Temyanko, Valery

AU - Likhachev, Mikhail E.

PY - 2020/7/1

Y1 - 2020/7/1

N2 - A cladding-pumped all-fiber chirped femtosecond pulse Yb-doped mode-locked laser operating near 977 nm was demonstrated for the first time. Nonlinear polarization evolution was used as the mode-locking mechanism. The laser was self-starting and extremely stable (the stability of the repetition rate of 41.6 MHz was better than that of 15 Hz). Amplification near 977 nm was achieved using a specially designed cladding-pumped Yb-doped fiber. The main feature of the current laser design was its increased intracavity nonlinearity, which resulted in a strong self-phase modulation and significant widening of the generated pulse spectrum. This nonlinearity allowed us to generate pulses compressible down to a duration of 230 fs using an external diffraction grating compressor.

AB - A cladding-pumped all-fiber chirped femtosecond pulse Yb-doped mode-locked laser operating near 977 nm was demonstrated for the first time. Nonlinear polarization evolution was used as the mode-locking mechanism. The laser was self-starting and extremely stable (the stability of the repetition rate of 41.6 MHz was better than that of 15 Hz). Amplification near 977 nm was achieved using a specially designed cladding-pumped Yb-doped fiber. The main feature of the current laser design was its increased intracavity nonlinearity, which resulted in a strong self-phase modulation and significant widening of the generated pulse spectrum. This nonlinearity allowed us to generate pulses compressible down to a duration of 230 fs using an external diffraction grating compressor.

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KW - Ytterbium

KW - optical fibers

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Generation of Chirped Femtosecond Pulses near 977 nm Using a Mode-Locked All-Fiber Laser

Abstract

Keywords

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