Recent progress and prospects of random lasers using advanced materials

Padiyakkuth, Nideesh; Thomas, Sabu; Antoine, Rodolphe; Kalarikkal, Nandakumar

doi:10.1039/d2ma00221c

Cited by 14 publications

(7 citation statements)

References 172 publications

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“…The obtained results showed that the lasing characteristics were significantly affected by the folding of the foam. It is important to note that the relationship between RL size, structures, and their lasing properties is complex and can be influenced by many factors, including the cavity geometry, the optical properties, and the defects or other optical inhomogeneities of the materials [27].…”

Section: Wavelength Shift Induced By Folding Effectmentioning

confidence: 99%

Random lasing from kombucha bacterial cellulose—ZnO bionanocomposite foam

Mai,

Dao,

Nguyen

et al. 2023

J. Phys. D: Appl. Phys.

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Random lasers (RLs) with biological and natural origins have attracted a great deal of attention in biosensing and bio-imaging. In this work, we described a high-performance RL based on kombucha bacterial cellulose and ZnO bionanocomposite foam. The foam was constructed by coating a high-scattering ZnO material on the 3D scaffold cellulose fibers of a KBC. This provides a high level of scattering, which enables light to be better confined within the structures, thus facilitating resonance feedback for random lasing emission. By implementing organic dye molecules into the bionanocomposite foam, we successfully achieved a random lasing emission with a low threshold of 110 μJ mm−2. Due to the RL’s high flexibility and high elasticity, it is able to shift the lasing emission wavelengths to the longer range induced by the folding effect. Compared to other RLs based on natural materials, our RL showed a lower lasing threshold. The biocompatibility and biodegradability of the nanocomposite materials together with the simple, two-step, and low-cost RL fabrication process highlight the promising future of using the proposed RLs in many optical, biological, and medical applications.

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Section: Wavelength Shift Induced By Folding Effectmentioning

confidence: 99%

Random lasing from kombucha bacterial cellulose—ZnO bionanocomposite foam

Mai,

Dao,

Nguyen

et al. 2023

J. Phys. D: Appl. Phys.

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“…Despite these clear advantages, the randomness in photon propagation within RL media is also responsible for the lack of directionality and polarization of the emitted light, which are less attractive characteristics of a laser light source. These challenges are being addressed with the use of advanced materials, including fibers, microchannels, and nanostructures, − or through custom pumping as an all-optical methodology. − …”

Section: Introductionmentioning

confidence: 99%

Exploring Disordered Light Transport in Scattering Media to Optimize Random Lasers

Silva,

Ferreira,

Oliveira

et al. 2024

J. Phys. Chem. C

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Disordered light has recently been introduced as a novel and efficient approach for pumping random lasers (RLs), resulting in a reduced lasing threshold and enhanced emission intensity. Here, we investigate the photon propagation, coming from both homogeneous and disordered light patterns, within scattering media to understand the influence of disorder in the spatial intensity and wavevector distributions of the pump light on RL optimization. For this purpose, an adapted coherent backscattering (CBS) technique was employed to measure the residence time and total distance traveled by coherently backscattered photons within a scattering sample. The experimental measurements reveal that in media with low scatterer density, disordered light facilitates longer photon travel distances because the random wavevector distribution favors coupling with the different modes defined by the scattering media. Consequently, in a gain-scattering medium, disordered light showcases efficient amplification of stimulated emission due to multiple scattering. However, as the scatterer density increases, the difference in travel distances between photons coming from homogeneous and disordered light diminishes, potentially impacting RL optimization. RL experiments using TiO 2 @SiO 2 suspended in rhodamine 6G colloids corroborate these findings, revealing that optimizing the distance traveled by photons from disordered light influences increased RL emission intensity, and the disordered distribution of intensity hot spots, which concentrate a larger number of excitation photons in small volumes, significantly reduces the RL threshold. Therefore, this study contributes to the understanding and consolidation of disordered light as an important tool for enhancing RL performance and efficiency.

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“…[12][13][14][15][16][17][18] In order to realize the practical application of nanolasers in these bright application prospects, the DOI: 10.1002/lpor.202200758 electrically pumped nanolasers have been constructed with multiple gain materials based on different cavity structures or device structures. [19][20][21][22] According to the difference in cavity structures of the electrically pumped nanolasers, the nanolasers can be classified into Fabry-Perot cavity based (FP-based) electrically pumped nanolasers, [23][24][25][26] whispering gallery mode based (WGM-based) electrically pumped nanolasers, [27][28][29][30] random Cavity based (RC-based) electrically pumped nanolasers, [31][32][33][34][35][36][37][38] photonic crystal cavity based (PCC-based) electrically pumped nanolasers, [39][40][41][42][43][44] and metallic cavity based (MC-based) electrically pumped nanolasers. [45][46][47][48] All these cavity structures can provide sufficient gain feedback for realizing the electrically pumped nanolasers emission.…”

Section: Introductionmentioning

confidence: 99%

“…According to the difference in cavity structures of the electrically pumped nanolasers, the nanolasers can be classified into Fabry–Perot cavity based (FP‐based) electrically pumped nanolasers, [ 23–26 ] whispering gallery mode based (WGM‐based) electrically pumped nanolasers, [ 27–30 ] random Cavity based (RC‐based) electrically pumped nanolasers, [ 31–38 ] photonic crystal cavity based (PCC‐based) electrically pumped nanolasers, [ 39–44 ] and metallic cavity based (MC‐based) electrically pumped nanolasers. [ 45–48 ] All these cavity structures can provide sufficient gain feedback for realizing the electrically pumped nanolasers emission.…”

Section: Introductionmentioning

confidence: 99%

Recent Developments of Electrically Pumped Nanolasers

Ren

Fang

et al. 2023

Laser & Photonics Reviews

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Electrically pumped nanolasers have achieved many exciting achievements and display a wide range of potential application prospects in the fields of optoelectronic chips, information storage, and biosensing. However, there is lacking an in-depth and extensive review of the recent development of electrically pumped nanolasers. Herein, a detailed and comprehensive overview of the electrically pumped nanolasers is first given according to the device configurations, including electrically pumped single nanolaser, nanoarray lasers, nanobeam lasers, and plasmonic nanolasers with different cavity structures. Furthermore, some problems and challenges restricting the development of electrically pumped nanolasers are summarized, and the corresponding solutions and development directions are proposed. This review will provide valuable suggestions for optimizing the device structure of electrically pumped nanolasers with new high-gain semiconductor materials and particularly further promote their rapid application development.

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Recent progress and prospects of random lasers using advanced materials

Abstract: .Random lasers (RLs) are a particular class of optical devices. In a random laser, the optical feedback is provided by scattering media rather than by an optical cavity as for...

Cited by 14 publications

References 172 publications

Random lasing from kombucha bacterial cellulose—ZnO bionanocomposite foam

Random lasing from kombucha bacterial cellulose—ZnO bionanocomposite foam

Exploring Disordered Light Transport in Scattering Media to Optimize Random Lasers

Recent Developments of Electrically Pumped Nanolasers

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