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Kvantovaya Elektronika, 2020, Volume 50, Number 8, Pages 742–749 (Mi qe17306)  

This article is cited in 2 scientific papers (total in 2 papers)

Control of laser radiation parameters

Scheme for stabilising the phase and arrival time of ultrashort laser pulses in a coherent beam combining fibre system

A. V. Andrianov, A. P. Korobeynikova

Federal Research Center The Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod
References:
Abstract: An algorithm has been demonstrated for simultaneously measuring the phase and arrival time of optical pulses relative to pulses in a reference channel using one detector array. Based on this algorithm, a simple optoelectronic pulse phase and arrival time stabilisation scheme has been designed for operation in a coherent beam combining fibre system for ultrashort pulses (including chirped ones). We have studied the performance of the stabilisation scheme. In particular, we have reached a phase measurement rate of 25 000 cps, demonstrated an ~2 kHz limiting phase stabilisation frequency in a feedback loop, and obtained an arrival time measurement accuracy of ~5% of the transform-limited pulse duration at a measurement rate of 5 cps. In experiments concerned with coherent beam combining for two channels of a pulsed fibre system at a wavelength of 1030 nm, we have demonstrated phase stabilisation with an accuracy better than λ/100 and delay setting accuracy of 10 fs at a transform-limited pulse duration of ~200 fs and obtained 94% beam combining efficiency.
Keywords: coherent beam combining, optical phase detector, ultrashort laser pulses, active phase stabilisation.
Received: 18.05.2020
English version:
Quantum Electronics, 2020, Volume 50, Issue 8, Pages 742–749
DOI: https://doi.org/10.1070/QEL17371
Bibliographic databases:
Document Type: Article
Language: Russian
Supplementary materials:
pic_5.pdf (2.2 Mb)


Citation: A. V. Andrianov, A. P. Korobeynikova, “Scheme for stabilising the phase and arrival time of ultrashort laser pulses in a coherent beam combining fibre system”, Kvantovaya Elektronika, 50:8 (2020), 742–749 [Quantum Electron., 50:8 (2020), 742–749]
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  • https://www.mathnet.ru/eng/qe/v50/i8/p742
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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