All-solid-state ultrafast 2 µm laser with 1.83  W output power

In this paper, a high-power all-solid-state ultrafast 2 µm mode-locked laser is investigated. The particularity of this laser is the simultaneous utilization of two Tm:YAP crystals in the same resonant cavity, independently pumped by two laser diodes. Using a 20% output coupler, pulses with output p...

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Published in:Applied optics (2004) 2024-04, Vol.63 (10), p.2746
Main Authors: Mao, Jiajia, Hu, Ping, Zhou, Xue, Zhang, Baitao, Li, Tao, Feng, Tianli, He, Jingliang, Yang, Kejian
Format: Article
Language:English
Subjects:
Laser mode locking
Laser pumping
Pulse duration
Pulse repetition frequency
Semiconductor lasers
Solid state
Ultrafast lasers
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container_title Applied optics (2004)
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creator Mao, Jiajia
Hu, Ping
Zhou, Xue
Zhang, Baitao
Li, Tao
Feng, Tianli
He, Jingliang
Yang, Kejian
description In this paper, a high-power all-solid-state ultrafast 2 µm mode-locked laser is investigated. The particularity of this laser is the simultaneous utilization of two Tm:YAP crystals in the same resonant cavity, independently pumped by two laser diodes. Using a 20% output coupler, pulses with output power as high as 1.83 W are achieved at a wavelength of 1938 nm with a pulse duration of 1.97 ps and a pulse repetition frequency of 100 MHz. To our knowledge, this mode-locked laser achieves the highest output power of any mode-locked Tm:YAP ultrafast laser reported to date. In addition, this paper provides a new approach to solve the problem of low output power due to multi-mode low-brightness laser diode pumping.
doi_str_mv 10.1364/AO.521887
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subjects Laser mode locking
Laser pumping
Pulse duration
Pulse repetition frequency
Semiconductor lasers
Solid state
Ultrafast lasers
title All-solid-state ultrafast 2 µm laser with 1.83  W output power
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