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Narrowband Mode-Locked Fiber Laser via Spectral-Domain Intermodal Interference

We demonstrate a hybrid-structure fiber laser composed of single-mode fiber (SMF) and four-mode fiber (FMF), capable of delivering stable near-chirp-free soliton with the bandwidth of 75 pm. Ascribed to the spectral-domain intermodal interference, the SMF-FMF cavity serves not only as a ring resonator but also as an intrinsic spectral filter. The wavelength of the narrowband soliton is tunable within 10 nm by a polarization controller. Simulation results validate the experimental observations, revealing that the filtering effect simultaneously balances the self-phase modulation induced spectral broadening and saturable absorption induced temporal compression. The narrowband fiber laser is attractive for spectroscopy, quantum optics, and material processing, and offers a promising platform to study the evolution dynamics of few-mode solitons.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.39 No.19 October 1 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

6276-6280

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

MODE-LOCKED FIBER LASER
INTRINSIC SPECTRAL FILTER
NARROWBAND SOLITON
SPECTRAL-DOMAIN INTERMODAL INTERFERENCE

Info Detail Spesifik

DOI: 10.1109/JLT.2021.3096132

Pernyataan Tanggungjawab

Qun Gao, Yueqing Du, Zhiwen He, Dong Mao, Jianlin Zhao,

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