Single-channel Q-switching in a system of coherently combined fiber lasers

Boris Rosenstein; Avry Shirakov; Daniel Belker; Amiel A. Ishaaya

doi:10.1007/s00340-014-5919-6

Single-channel Q-switching in a system of coherently combined fiber lasers

Boris Rosenstein, Avry Shirakov, Daniel Belker, Amiel A. Ishaaya

Ben-Gurion University of the Negev

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

Abstract

We experimentally investigate passive interferometric coherent combining of two photonic crystal fiber laser channels within a common cavity, wherein only one channel is Q-switched. We demonstrate an average power of more than 20 W and the peak power of 97 kW with more than 98 % combining efficiency. The measured spectral bandwidth is 0.13 nm, and it does not change at different operation conditions. Our results show efficient imposing of temporal and spectral characteristics of the Q-switched channel on the free-running channel.

Original language	American English
Pages (from-to)	995-999
Number of pages	5
Journal	Applied Physics B: Lasers and Optics
Volume	117
Issue number	4
DOIs	https://doi.org/10.1007/s00340-014-5919-6
State	Published - 23 Nov 2014

All Science Journal Classification (ASJC) codes

General Physics and Astronomy
Physics and Astronomy (miscellaneous)

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title = "Single-channel Q-switching in a system of coherently combined fiber lasers",

abstract = "We experimentally investigate passive interferometric coherent combining of two photonic crystal fiber laser channels within a common cavity, wherein only one channel is Q-switched. We demonstrate an average power of more than 20 W and the peak power of 97 kW with more than 98 % combining efficiency. The measured spectral bandwidth is 0.13 nm, and it does not change at different operation conditions. Our results show efficient imposing of temporal and spectral characteristics of the Q-switched channel on the free-running channel.",

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AU - Shirakov, Avry

AU - Belker, Daniel

AU - Ishaaya, Amiel A.

PY - 2014/11/23

Y1 - 2014/11/23

N2 - We experimentally investigate passive interferometric coherent combining of two photonic crystal fiber laser channels within a common cavity, wherein only one channel is Q-switched. We demonstrate an average power of more than 20 W and the peak power of 97 kW with more than 98 % combining efficiency. The measured spectral bandwidth is 0.13 nm, and it does not change at different operation conditions. Our results show efficient imposing of temporal and spectral characteristics of the Q-switched channel on the free-running channel.

AB - We experimentally investigate passive interferometric coherent combining of two photonic crystal fiber laser channels within a common cavity, wherein only one channel is Q-switched. We demonstrate an average power of more than 20 W and the peak power of 97 kW with more than 98 % combining efficiency. The measured spectral bandwidth is 0.13 nm, and it does not change at different operation conditions. Our results show efficient imposing of temporal and spectral characteristics of the Q-switched channel on the free-running channel.

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Single-channel Q-switching in a system of coherently combined fiber lasers

Abstract

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