Single-mode regenerative amplification in multimode fiber

被引：0

作者：

Haig, Henry ^{[1
]}

Bender, Nicholas ^{[1
]}

Eisenberg, Yishai ^{[1
]}

Wise, Frank ^{[1
]}

机构：

[1] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA

来源：

OPTICA | 2023年 / 10卷 / 11期

基金：

美国国家卫生研究院; 美国国家科学基金会;

关键词：

HIGH-ENERGY; AMPLIFIER; BEAM; PULSES;

D O I：

10.1364/OPTICA.501955

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The peak power performance of ultrafast fiber lasers scales with fiber mode area, but large fibers host multiple modes that are difficult to control. We demonstrate a technique for single-mode operation of highly multimode fiber based on regenerative amplification. This results in a short-pulse fiber source with, to our knowledge, an unprecedented combination of features: high gain (>55 dB) with negligible amplified spontaneous emission, high pulse energy (>50 mu J), good beam quality (M-2 <= 1.3), and transform-limited (300 fs) pulses from a single amplification stage. We discuss peak intensity scaling to much higher levels and other opportunities for short-pulse generation in regenerative fiber amplifiers. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：1417 / 1420

页数：4

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