Lensless intracavity focusing in a passively Q-switched all-fiber laser using the mode-field-area mismatch

Tzong Yow Tsai; Zhi Cheng Lee; Hong Xi Tsao; Shih Ting Lin

doi:10.1364/OL.37.002610

Lensless intracavity focusing in a passively Q-switched all-fiber laser using the mode-field-area mismatch

Tzong Yow Tsai, Zhi Cheng Lee, Hong Xi Tsao, Shih Ting Lin

Institute of Microelectronics

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

2 Citations (Scopus)

Abstract

Intense lensless intracavity focusing in a saturable absorber Q-switched all-fiber laser resonator by use of loss arrangement and mode-field-area mismatch between the fibers is investigated for the first time. The intracavity power distribution was related to the locations and values of the cavity losses as the saturable absorption loss, the reflection loss of the output coupler, and the splicing loss between the gain fiber and the absorber fiber. With a mode-field-area mismatch and a reduced splicing loss with the gain fiber, a power density in the absorber fiber was achieved that was 11.9 times higher than that in the gain fiber.

Original language	English
Pages (from-to)	2610-2612
Number of pages	3
Journal	Optics Letters
Volume	37
Issue number	13
DOIs	https://doi.org/10.1364/OL.37.002610
Publication status	Published - 2012 Jul 1

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.37.002610

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abstract = "Intense lensless intracavity focusing in a saturable absorber Q-switched all-fiber laser resonator by use of loss arrangement and mode-field-area mismatch between the fibers is investigated for the first time. The intracavity power distribution was related to the locations and values of the cavity losses as the saturable absorption loss, the reflection loss of the output coupler, and the splicing loss between the gain fiber and the absorber fiber. With a mode-field-area mismatch and a reduced splicing loss with the gain fiber, a power density in the absorber fiber was achieved that was 11.9 times higher than that in the gain fiber.",

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AU - Tsao, Hong Xi

AU - Lin, Shih Ting

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AB - Intense lensless intracavity focusing in a saturable absorber Q-switched all-fiber laser resonator by use of loss arrangement and mode-field-area mismatch between the fibers is investigated for the first time. The intracavity power distribution was related to the locations and values of the cavity losses as the saturable absorption loss, the reflection loss of the output coupler, and the splicing loss between the gain fiber and the absorber fiber. With a mode-field-area mismatch and a reduced splicing loss with the gain fiber, a power density in the absorber fiber was achieved that was 11.9 times higher than that in the gain fiber.

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Lensless intracavity focusing in a passively Q-switched all-fiber laser using the mode-field-area mismatch

Abstract

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