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：
美国国家科学基金会; 美国国家卫生研究院;
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
收藏
页码：1417 / 1420
页数：4
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