Coherent amplification of peak-power-scalable out-of-phase supermode in Yb-doped multicore fiber

被引：0

作者：

Kalinin, N. A. ^{[1
,2
]}

Andrianov, A. V. ^{[1
]}

Anashkina, E. A. ^{[1
,2
]}

Egorova, O. N. ^{[3
]}

Lipatov, D. S. ^{[4
]}

Kim, A. V. ^{[1
]}

Semjonov, S. L. ^{[5
]}

Litvak, A. G. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia

[2] Lobachevsky State Univ Nizhny Novgorod, Nizhnii Novgorod, Russia

[3] Russian Acad Sci, Prokhorov Gen Phys Inst, Moscow, Russia

[4] Russian Acad Sci, Devyatykh Inst Chem High Pur Subst, Nizhnii Novgorod, Russia

[5] Russian Acad Sci, Fiber Opt Res Ctr, Moscow, Russia

来源：

INTERNATIONAL CONFERENCE LASER OPTICS 2020 (ICLO 2020) | 2020年

基金：

俄罗斯科学基金会;

关键词：

multicore fiber; Yb-doped fiber; supermode; fiber amplifier;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate selective excitation and coherent amplification in multicore fiber of the out-of-phase supermode that has equal intensities but interleaved 0/pi phases in the neighboring cores. The out-of-phase supermode is beneficial due to its stability at arbitrary high powers, contrary to the fundamental supermode. We fabricated a double-clad all solid silica fiber with six highly Yb-doped coupled cores arranged in a ring structure. We obtained amplification of 50 picosecond chirped pulses up to similar to 1 mu J energy with measured content of the out-of-phase mode of >80%. We demonstrated in 3D numerical simulation the possibility of the out-of-phase supermode amplification for powers up to damage threshold in silica glass.

引用

页数：1

共 2 条

[1] Andrianov A.V., 2019, J LIGHTWAVE TECHNOL, V38, DOI [10.1109/JLT.2019.2943251, DOI 10.1109/JLT.2019.2943251]
[2] Coherent propagation of laser beams in a small-sized system of weakly coupled optical light guides
Balakin, A. A.
Skobelev, S. A.
Anashkina, E. A.
Andrianov, A., V
Litvak, A. G.
[J]. PHYSICAL REVIEW A, 2018, 98 (04)

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