High energy fiber pulse sources by photonic bandgap fibers and multicore fibers
Project/Area Number |
25247067
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Atomic/Molecular/Quantum electronics
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Research Institution | The University of Electro-Communications |
Principal Investigator |
Shirakawa Akira 電気通信大学, 学内共同利用施設等, 准教授 (00313429)
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Co-Investigator(Kenkyū-buntansha) |
Saito Kazuya 豊田工業大学, 工学部, 教授 (20278394)
Saitoh Kunimasa 北海道大学, 情報科学研究科, 教授 (20333627)
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Project Period (FY) |
2013-05-31 – 2016-03-31
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Project Status |
Completed (Fiscal Year 2015)
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Budget Amount *help |
¥43,420,000 (Direct Cost: ¥33,400,000、Indirect Cost: ¥10,020,000)
Fiscal Year 2015: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
Fiscal Year 2014: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2013: ¥20,150,000 (Direct Cost: ¥15,500,000、Indirect Cost: ¥4,650,000)
|
Keywords | ファイバーレーザー / パルスレーザー / フォトニックバンドギャップファイバーレーザー / マルチコアファイバー / 位相同期レーザーアレイ / フォトニックバンドギャップファイバー / マルチコアファイバー / 位相同期レーザーアレイ |
Outline of Final Research Achievements |
We have explored new methods for scaling the energy/peak-power limits of fiber lasers determined by various fiber nonlinearities. Photonic bandgap fiber has the inherent distributed spectral filtering, enabling suppression of stimulated Raman scattering. We have achieved an order of magnitude power scaling of pulsed fiber lasers. In addition, mitigation of stimulated Brillouin scattering by acoustic antiguiding was also pursued and we demonstrated high-power single-frequency operation. We also studied power scaling by multicore fibers. Phase-locking operations by self-imaging as well as by a new method of using a saturable absorber have been demonstrated. We showed the self-focusing limit, the ultimate limit among various nonlinearities, can be scaled by the core number by adopting the out-of-phase mode.
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Report
(4 results)
Research Products
(62 results)
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[Journal Article] Optics Letters2015
Author(s)
S. R. Petersen, M. Chen, A. Shirakawa, C. B. Olausson, T. T. Alkeskjold, and J. Lægsgaard
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Journal Title
Optics Letters
Volume: 40
Issue: 8
Pages: 1741-1744
DOI
Related Report
Peer Reviewed
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[Journal Article] Femtosecond mode-locked Nd3+-doped Ba(Zr,Mg,Ta)O3 ceramic laser2015
Author(s)
Y. Higashi, H. Nakao, A. Shirakawa, K. Ueda, A. A. Kaminskii, S. Kuretake, Y. Kintaka, K. Murayama, and N. Tanaka
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Journal Title
Optics Letters
Volume: 40
Issue: 16
Pages: 3818-3821
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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[Presentation] Photonic bandgap fiber lasers and multicore fiber lasers for next generation high power lasers2014
Author(s)
A. Shirakawa, M. Chen, Y. Suzuki, K. Sato, X. Fan, H. Tuennermann, M. Karow, C. B. Olausson, S. R. Petersen, T. Alkeskjold, and K. Saito
Organizer
Specialty Optical Fibers & Applications 2014
Place of Presentation
Suzhou, China
Year and Date
2014-07-29
Related Report
Invited
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