Tunable Dual-Wavelength Narrow-Linewidth Microfiber Laser

Fan, Wei; Zhang, Zhishen; Wei, Xiaoming; Gan, Jiulin; Zhan, Biao; Xu, Shanhui; Yang, Zhongmin

doi:10.7567/apex.6.072701

Cited by 3 publications

(2 citation statements)

References 18 publications

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“…In 2012, by assembling an MNF drawn from an Er 3 ∕Yb 3 co-doped phosphate glass fiber into a double-knot resonator, Fan et al successfully realized a single-frequency MNF laser around 1536-nm wavelength, with a linewidth as narrow as 2 kHz [417] . Besides the above-mentioned configurations, in recent years, many other types of micro-ring lasers have been reported based on rare-earth-doped MNFs [378,[548][549][550] . It is worth mentioning that much smaller lasing cavities can be realized using WGMs of active MNFs, usually dye-doped polymer MNFs.…”

Section: Mnf Micro-ring Lasersmentioning

confidence: 99%

Optical microfiber or nanofiber: a miniature fiber-optic platform for nanophotonics

Zhang,

Fang,

Wang

et al. 2024

Photonics Insights

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Section: Mnf Micro-ring Lasersmentioning

confidence: 99%

Optical microfiber or nanofiber: a miniature fiber-optic platform for nanophotonics

Zhang,

Fang,

Wang

et al. 2024

Photonics Insights

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“…Theoretically QF value of up to 1010 is predicated [5] and a value of 470000 has been realized by the formation of microfiber coil [6]. Among the proposed structures, microfiber knot has been widely used in applications such as modulators and convertors [7], [8], tunable lasers [9], [10] and sensors [11] due to stable light coupling [12], its firm structure and easy manipulation compare with the others. Also this structure has been considered Manuscript as all pass filter and as an add-drop filter (including an extra microfiber beside the knot) with QF of 13000 [13].…”

Section: Introductionmentioning

confidence: 97%

Demonstration of a Periodic Passband Filter Based on Coupled Microfiber Knots

Nodehi

Mohammed

Ahmad

et al. 2016

IEEE Photon. Technol. Lett.

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In this letter, a periodical passband filter based microfiber structure is proposed. The structure is made of successive microfiber knot resonators. The periodical spectral filtering is a result of superposition of the uncoupled modes that belong to the individual microfiber knots and coupling induced resonant wavelength shift. This letter demonstrates the experimental investigation of the thermal effect on the spectral modulation of the structure. The proposed resonator consists of two knots with radii 460.01 and 230 µm, which are knitted successively, in a column. This results in a periodic spectrum with 720-pm passband, 425-pm stopband, and a suppression ratio of 5.2 dB. Increasing the optical path, using a hot metal bar with a temperature of 30°close to the big knot, the periodic passband filter switches to all pass filter with a free spectral range of 1150 pm and quality factor 6000. This letter as well demonstrates experimentally how to enhance passband and stopband widths through decreasing the knot's radii as well as increasing the number of knots. Compatibility of this structure with single-mode fiber systems makes it easy to be used as noise filtering in telecommunication and fiber lasers.Index Terms-Microfiber knot, pass band filter, fiber laser.

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Noise-sideband-free and narrow-linewidth photonic microwave generation based on anoptical heterodyne technique of low-noise fiber lasers

et al. 2020

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Noise-sideband-free and narrow-linewidth photonic microwave generation based on an optical heterodyne technique is demonstrated experimentally. By beating a self-injection-locking low-noise single-frequency fiber laser and a Brillouin fiber laser, a 9.4 GHz microwave is produced, and its noise sidebands are completely suppressed. Additionally, the signal-to-noise ratio of the microwave signal is improved by 15 dB from 40 to 55 dB, and the linewidth is compressed from 1.6 to 0.53 kHz. The high-performance photonic microwave based on low-noise fiber lasers is a promising candidate in further applications such as wireless network, lidar, and satellite communication.

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Tunable Dual-Wavelength Narrow-Linewidth Microfiber Laser

Cited by 3 publications

References 18 publications

Optical microfiber or nanofiber: a miniature fiber-optic platform for nanophotonics

Optical microfiber or nanofiber: a miniature fiber-optic platform for nanophotonics

Demonstration of a Periodic Passband Filter Based on Coupled Microfiber Knots

Noise-sideband-free and narrow-linewidth photonic microwave generation based on anoptical heterodyne technique of low-noise fiber lasers

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