Continuously Tunable Mode-Locked Fiber Laser Based on Tilted Fiber Grating

Lilong, 戴礼龙 Dai; Chuanhang, 邹传杭 Zou; Qianqian, 黄千千 Huang; Zinan, 黄梓楠 Huang; Yuanda, 凌远达 Ling; Zhikun, 邢志坤 Xing; Zhijun, 闫志君 Yan; Chengbo, 牟成博 Mou

doi:10.3788/cjl201946.0508026

Cited by 5 publications

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“…The elements used for wavelength tuning of the radiation produced by short-pulsed fibre lasers include both those conventionally found in solid-state or other types of lasers (diffraction gratings [13][14][15], birefringent filters [16][17][18], prisms [19], acousto-optical filters [20], and so forth) and specifically fibre-optical elements (fibre Bragg gratings [21], specialty fibres [22,23], Sagnac filters [24], and so on) /Figure 1/. It should be noted that certain conventional spectral filters, such as birefringent, can be adapted to all-fibre configurations: plates are replaced by pieces of PM fibre and the role of polarisation-selective Brewster faces is played by polarisation sensitive isolators [18] inserted on either side of the PM fibre.…”

Section: Elements For Output Wavelength Tuning In Short-pulsed Fibre ...mentioning

confidence: 99%

Methods of Radiation Wavelength Tuning in Short-Pulsed Fibre Lasers

Kobtsev

2023

Photonics

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Methods of output wavelength tuning in short-pulsed fibre lasers are analysed. Many of them rely on spectral selection principles long used in other types of lasers. For compatibility with the fibre-optical format, the corresponding elements are sealed in compact, airtight volumes with fibre-optical radiation input and output. A conclusion is presented about the relatively small number of inherently “fibre-optical” ways of tuning the wavelength of radiation. It is demonstrated that the range of output wavelength tuning in short-pulsed fibre lasers may span hundreds of nanometres (even without extension beyond the active medium gain contour through nonlinear effects). From the presented review results, it may be concluded that the search for the optimal tuning method complying with the user-preferred all-PM-fibre short-pulsed laser design is not yet complete.

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