Single whispering-gallery mode lasing in polymer bottle microresonators via spatial pump engineering

Gu, Fuxing; Xie, Fuming; Lin, Xing; Linghu, Shuangyi; Fang, Wei; Zeng, Heping; Tong, Limin; Zhuang, Songlin

doi:10.1038/lsa.2017.61

Cited by 129 publications

(87 citation statements)

References 43 publications

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“…The quality factor is estimated to be ≈3090 while considering the narrow lasing peak width of 0.176 nm at 544.1 nm (as shown in Figure 4c), which reveals the high quality of such fabricated microlaser. The threshold of 1.33 mJ cm −2 corresponds to peak power of 0.266 MW cm −2 , comparable with others' values (0.1–1.5 MW cm −2 ) obtained for WGM microresonators . Besides, during optical measurements as schematically shown in Figure S10 in the Supporting Information, microspheres were kept in the emulsion and sealed in a quartz box, reflection losses of excited laser from air–glass, glass–liquid, and liquid–microsphere interfaces were not taken into considerations.…”

supporting

confidence: 87%

Microlasers from AIE‐Active BODIPY Derivative

Liu

et al. 2020

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Organic microlasers have attracted much attention due to their unique features such as high mechanical flexibility, facile doping of gain materials, high optical quality, simplicity and low‐cost fabrication. However, organic gain materials usually suffer from aggregation‐caused quenching (ACQ), preventing further advances of organic microlasers. Here, a new type of microlaser from aggregation‐induced emission (AIE) material is successfully demonstrated. By introducing a typical noncrystalline AIE material, a high quality microlaser is obtained via a surface tension‐induced self‐assembly approach. Distinct from conventional organic microlasers, the organic luminescent material used here is initially nonluminescent but can shine after aggregation under optical pumping. Further investigations demonstrate that AIE‐based microlasers exhibit advantages to enable much higher doping concentrations, which provides an alternative way to improved lasing performance including dramatically reduced threshold and favorable lasing stability. It is believed that these results could provide a promising way to extend the content of microlasers and open a new avenue to enable applications ranging from chemical sensing to biology.

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confidence: 87%

Microlasers from AIE‐Active BODIPY Derivative

Liu

et al. 2020

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“…(h) -Depositing glass with lower melting temperature [47]. (i) -Depositing a polymer droplet solidified by heating [64]. (Reproduced with permission from Refs.…”

Section: Hollow Bmr (Bubble Microresonators)mentioning

confidence: 99%

“…Lasing microresonators can be fabricated of an active material or fabricated of a passive material and post-processed by coating with an active material. The BMR lasers [61][62][63][64][65][66][67][68] have certain advantages compared to other microlasers. In fact, their elongated geometry and fabrication simplicity allows one to fabricate active BMR with predetermined spectrum and facilitate mode selection by patterned pumping much easier than for active microresonators having other geometries.…”

Section: Bmr Lasersmentioning

confidence: 99%

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Optical bottle microresonators

Sumetsky

2019

Progress in Quantum Electronics

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The optical microresonators reviewed in this paper are called bottle microresonators because their profile often resembles an elongated spheroid or a microscopic bottle. These resonators are commonly fabricated from an optical fiber by variation of its radius. Generally, variation of the bottle microresonator (BMR) radius along the fiber axis can be quite complex presenting, e.g., a series of coupled BMRs positioned along the fiber. Similar to optical spherical and toroidal microresonators, BMRs support whispering gallery modes (WGMs) which are localized inside the resonator due to the effect of total internal reflection. The elongation of BMRs along the fiber axis enables their several important properties and applications not possible to realize with other optical microresonators. The paper starts with the review of the BMR theory, which includes their spectral properties, slow WGM propagation along BMRs, theory of Surface Nanoscale Axial Photonics (SNAP) BMRs, theory of resonant transmission of light through BMR microresonators coupled to transverse waveguides (microfibers), theory of nonstationary WGMs in BMRs, and theory of nonlinear BMRs. Next, the fabrication methods of BMRs including melting of optical fibers, fiber annealing in SNAP technology, rolling of semiconductor bilayers, solidifying of a UV-curable adhesive, and others are reviewed. Finally, the applications of BMRs which either have been demonstrated or feasible in the nearest future are considered. These applications include miniature BMR delay lines, BMR lasers, nonlinear BMRs, optomechanical BMRs, BMR for quantum processing, and BMR sensors. z mp r mp mp w z n z dz q z z

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“…Laser interference is a simple and widely used method for the fabrication of large-area and non-defect structures, which paves the way for the wide application of these periodic structures [66][67][68][69].…”

Section: Structures For Optical Manipulationmentioning

confidence: 99%

Laser interference fabrication of large-area functional periodic structure surface

Wang

et al. 2018

Front. Mech. Eng.

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Functional periodic structures have attracted significant interest due to their natural capabilities in regulating surface energy, surface effective refractive index, and diffraction. Several technologies are used for the fabrication of these functional structures. The laser interference technique in particular has received attention because of its simplicity, low cost, and high-efficiency fabrication of large-area, micro/nanometer-scale, and periodically patterned structures in air conditions. Here, we reviewed the work on laser interference fabrication of large-area functional periodic structures for antireflection, self-cleaning, and superhydrophobicity based on our past and current research. For the common cases, four-beam interference and multi-exposure of two-beam interference were emphasized for their setup, structure diversity, and various applications for antireflection, self-cleaning, and superhydrophobicity. The relations between multi-beam interference and multi-exposure of two-beam interference were compared theoretically and experimentally. Nanostructures as a template for growing nanocrystals were also shown to present future possible applications in surface chemical control. Perspectives on future directions and applications for laser interference were presented.

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Single whispering-gallery mode lasing in polymer bottle microresonators via spatial pump engineering

Cited by 129 publications

References 43 publications

Microlasers from AIE‐Active BODIPY Derivative

Microlasers from AIE‐Active BODIPY Derivative

Optical bottle microresonators

Laser interference fabrication of large-area functional periodic structure surface

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