U-band multiwavelength Brillouin-Raman random fiber laser with single Brillouin frequency spacing

Abdulghani, Amer; Abdo, Salah; Al-Alimi, A. W.; Shee, Yu Gang; Cholan, Noran Azizan; Zainuddin, N.H.; Mahdi, Mohd Adzir

doi:10.1016/j.optlastec.2023.109112

Cited by 4 publications

(4 citation statements)

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“…[197] In addition, with the YDF and TrueWave fiber, a six-channel and ≈0.06-nm wavelength-spacing multi-wavelength Brillouin-ytterbium random fiber laser has been realized, which extends the multi-wavelength RFL to 1 μm band. [198] Furthermore, combining the narrow-band Brillouin linewidth and the broadband Raman gain, the multi-wavelength Brillouin-Raman random fiber lasers in the C-band, [58,199,200] O-band, [201] and U-band [202] possess unique advantages such as large emission line number, flat amplitude bandwidth, flat OSNR, high stability, etc. Recently, an augmented synergistic nonlinear scheme, composed of enhanced Rayleigh backscattering, SBS, and SRS, in the DCF combined with SMF was proposed.…”

Section: Multi-wavelength Rfls Based On Sbsmentioning

confidence: 99%

“…Furthermore, combining the narrow‐band Brillouin linewidth and the broadband Raman gain, the multi‐wavelength Brillouin–Raman random fiber lasers in the C‐band, [ 58,199,200 ] O‐band, [ 201 ] and U‐band [ 202 ] possess unique advantages such as large emission line number, flat amplitude bandwidth, flat OSNR, high stability, etc. Recently, an augmented synergistic nonlinear scheme, composed of enhanced Rayleigh backscattering, SBS, and SRS, in the DCF combined with SMF was proposed.…”

Section: Spectral Manipulation Of Rflsmentioning

confidence: 99%

“…Meanwhile, by optimizing the power and wavelength of the Raman and Brillouin pump, a 476‐channel multi‐wavelength Brillouin–Raman random fiber laser with a spectral bandwidth of over 40.8 nm in the U‐band and single Brillouin frequency interspacing was achieved, as depicted in Figure 11c. [ 202 ]…”

Section: Spectral Manipulation Of Rflsmentioning

confidence: 99%

mentioning

confidence: 99%

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Spectral Manipulations of Random Fiber Lasers: Principles, Characteristics, and Applications

Han,

Cheng,

Tao

et al. 2024

Laser & Photonics Reviews

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Random fiber lasers (RFLs), a new variety of random lasers, have become a vigorous research spot over the past decades. RFLs possess superiorities in efficiency, structural flexibility, directionality, cost, etc. Particularly, RFLs are discovered to be good platforms for the construction of various forms of high‐performance lasers. Herein, recent progress in the spectral manipulation of RFLs and the applications of spectral‐tailored RFLs are reviewed. Both theoretical and experimental investigations of the unique spectral properties of RFLs up to now are presented. The superior wavelength flexibility of RFLs which can achieve any desired lasing wavelength in the 1–2.1 µm band is highlighted. Via spectral manipulation, RFLs have shown the capability of high‐spectral‐purity, narrow‐bandwidth, and multi‐wavelength output. Furthermore, the RFLs featuring unique spectral properties can lead to various promising applications, which are concisely summarized, including optical fiber communication, optical fiber sensing, imaging, supercontinuum generation, nonlinear‐frequency conversion, mid‐infrared lasing pump sources, and laser‐driven inertial confinement fusion motivation. The challenges and prospects for RFLs are also discussed.

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