AlGaInAs quantum-well as a saturable absorber in a diode-pumped passively Q-switched solid-state laser

S. C. Huang; S. C. Liu; A. Li; Kuan-Wei Su; Yung-Fu Chen; Kai-Feng Huang

doi:10.1364/OL.32.001480

AlGaInAs quantum-well as a saturable absorber in a diode-pumped passively Q-switched solid-state laser

S. C. Huang, S. C. Liu, A. Li, Kuan-Wei Su, Yung-Fu Chen^*, Kai-Feng Huang

^*Corresponding author for this work

Department of Electrophysics

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

15 Scopus citations

Abstract

We demonstrate what is believed to be the first use of AlGaInAs quantum wells (QWs) as a saturable absorber in the Q switching of a high-power diode-pumped Nd-doped 1.06 μm laser. The barrier layers are designed to locate the QW groups in the region of the nodes of the lasing standing wave to avoid damage. With an incident pump power of 13.5 W, an average output power of 3.5 W with a Q-switched pulse width of 0.9 ns at a pulse repetition rate of 110 kHz was obtained.

Original language	English
Pages (from-to)	1480-1482
Number of pages	3
Journal	Optics Letters
Volume	32
Issue number	11
DOIs	https://doi.org/10.1364/OL.32.001480
State	Published - 1 Jun 2007

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abstract = "We demonstrate what is believed to be the first use of AlGaInAs quantum wells (QWs) as a saturable absorber in the Q switching of a high-power diode-pumped Nd-doped 1.06 μm laser. The barrier layers are designed to locate the QW groups in the region of the nodes of the lasing standing wave to avoid damage. With an incident pump power of 13.5 W, an average output power of 3.5 W with a Q-switched pulse width of 0.9 ns at a pulse repetition rate of 110 kHz was obtained.",

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AU - Liu, S. C.

AU - Li, A.

AU - Su, Kuan-Wei

AU - Chen, Yung-Fu

AU - Huang, Kai-Feng

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AB - We demonstrate what is believed to be the first use of AlGaInAs quantum wells (QWs) as a saturable absorber in the Q switching of a high-power diode-pumped Nd-doped 1.06 μm laser. The barrier layers are designed to locate the QW groups in the region of the nodes of the lasing standing wave to avoid damage. With an incident pump power of 13.5 W, an average output power of 3.5 W with a Q-switched pulse width of 0.9 ns at a pulse repetition rate of 110 kHz was obtained.

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AlGaInAs quantum-well as a saturable absorber in a diode-pumped passively Q-switched solid-state laser

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