Optical gain and laser generation in bismuth-doped silica fibers free of other dopants

Bufetov, I. A.; Melkumov, Mikhail; Firstov, S. V.; Shubin, A. V.; Semenov, S. G.; Velmiskin, Vladimir V.; Levchenko, Andrey E.; Firstova, Elena; Dianov, E. M.

doi:10.1364/ol.36.000166

Cited by 64 publications

(38 citation statements)

References 9 publications

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“…The emission lifetime at room temperature typically ranges from hundreds of microseconds to several milliseconds. An additional absorption band at 1400 nm was observed by Dvoyrin et al and Bufetov et al in bismuth doped silica glass [1,[3][4][5]. In a non-oxide glass, Hughes et al reported absorption at ~1180nm, fluorescence lifetime of 175 µs at room temperature for an emission peak at ~1500nm [6].…”

Section: Consequences For Nir-emitting Bi-doped Glassesmentioning

confidence: 82%

“…For comparison, Bi-doped oxide glasses were prepared from analytical grade Al(OH) 3 X-ray diffraction patterns of the samples were recorded with a Rigaku D/max-IIIA X-ray diffractometer (40kV, 1.2°min −1 , 40 mA, Cu-Kα1, λ = 1.5405Å). Raman spectra were measured on a Horiba Jobin Yvon LabRAM Aramis spectrometer equipped with a 633 nm He-Ne laser.…”

Section: Methodsmentioning

confidence: 99%

“…Noteworthy, no IR luminescence could be observed from the blank sample of AN (x = 0). PL is hence attributed to the presence of Bi 5 (AlCl 4 ) 3 . FWHM of the spectrum is ~570 nm, somewhat broader than the value of 510 nm reported by Sun et al [25].…”

Section: Near-to-mid Infrared Pl From Bi 5 (Alcl 4 )mentioning

confidence: 97%

“…In last decade, a new family of near infrared (NIR) emitting bismuth doped laser glasses has been discovered and soon become a subject of intensive study [1][2][3][4][5][6]. This has been primarily due to the material's intriguing spectral properties, especially superbroadband photoemission in the telecom spectral range, which currently cannot be obtained in traditional rare-earth based materials [1,[3][4][5]7,8].…”

Section: Introductionmentioning

confidence: 99%

“…This has been primarily due to the material's intriguing spectral properties, especially superbroadband photoemission in the telecom spectral range, which currently cannot be obtained in traditional rare-earth based materials [1,[3][4][5]7,8]. Reports on basic materials properties and corresponding optical devices have convincingly proven the potential for application in superbroad optical amplifiers for future telecommunication networks and laser sources [1][2][3][4][5][6][7][8][9][10][11][12][13][14] . For example, addition of specific amounts of reducing agents such as carbon powder or gaseous hydrogen to Bi-containing glass batches was observed to enhance NIR emission of the corresponding glasses [ 1 8].…”

Section: Introductionmentioning

confidence: 99%

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Superbroad near-to-mid-infrared luminescence from Bi_5 ^3+ in Bi_5(AlCl_4)_3

Cao¹,

Peng²,

Wondraczek³

et al. 2012

Opt. Express

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Superbroad near-to-mid infrared (NIR-MIR) photoluminescence was observed from Bi 5 (AlCl 4 ) 3 at room temperature, spanning the spectral range of about 1000 to 4000 nm. On the basis of structural considerations and dynamic analyses, Bi 5 3+ clusters were identified as the optically active species, inherently differing from the species which is typically believed to be active in NIR-emitting Bi-doped glasses. In comparison to most other NIR-luminescent Bi-doped materials, the MIR-part of the luminescence spectrum is still present at room temperature. Emission intensity and excited state lifetime were found to exhibit abnormal temperature dependence, where the former increases with temperature up to a critical value of about 150 K. This behavior is related to a temperature-dependent overlap between ground state and excited states. The observed stabilization of MIR photoemission at room temperature may be a starting point for the development of Bi-based NIR-MIR light sources with superbroad emission spectrum, where Bi 5 3+ or similar polycationic species act as optical gain medium. (2)

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Section: Consequences For Nir-emitting Bi-doped Glassesmentioning

confidence: 82%

Section: Methodsmentioning

confidence: 99%

Section: Near-to-mid Infrared Pl From Bi 5 (Alcl 4 )mentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Superbroad near-to-mid-infrared luminescence from Bi_5 ^3+ in Bi_5(AlCl_4)_3

Cao¹,

Peng²,

Wondraczek³

et al. 2012

Opt. Express

View full text Add to dashboard Cite

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Tuning the Luminescence of Phosphors: Beyond Conventional Chemical Method

Bai

Tsang

Hao

2014

Advanced Optical Materials

134

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thermoluminescence (TL), and so on. [ 2 ] Nowadays, a large number of phosphors have been synthesized and developed, each one having its own characteristic emission wavelength, bandwidth, and luminescence lifetime. Here, the lifetime normally means the time in which the emission intensity decays to 1/ e . Moreover, phosphors have been extensively utilized in many areas, both scientifi c research and practical applications. For instance, phosphor-converted fl uorescent lamps and white light-emitting devices (LEDs) have been used as light sources in a widespread range of daily life and industrial applications. [ 3 ] CL and EL phosphors have been applied to traditional or modern display devices presenting visual information. [ 4 ] In the past few decades, fl uorescent nanoparticles, such as quantum dots (QDs) [ 5 ] and lanthanide (Ln) ion-doped nanocrystals, [ 6 ] have attracted considerable attention and showed great promise in fl uorescent probes, biosensing, bioimaging, therapies, and optoelectronic devices. [ 7 ] The ability to tune the luminescence properties of phosphors is highly desired in the optical materials community. [ 8 ] For various applications such as solid-state lasers, bioimaging, optical sensing, and display devices, precise control over the luminescence properties is essential for optimizing the performance and processing of optical devices and systems. Tuning luminescence is also of great signifi cance for fundamental studies of the luminescence mechanisms of phosphors. In general, tuning luminescence in the visible region is popularly known as varying the emission colour and brightness obtained by the naked eye. Broadly speaking, tuning luminescence changes the emission intensity, wavelength, bandwidth, luminescence decay or lifetime, and polarization.Numerous studies have extensively focused on tuning the luminescence of phosphors by conventional chemical ways, typically changing chemical compositions, crystal structure, phase, nanocrystal size, surface groups, and so on. [ 9 ] Comparatively, there have been less results that show the tunable luminescence of phosphors through physical methods. So far, few attempts have been made to provide a comprehensive coverage of the strategies pertaining to this emerging research fi eld and a broad overview of research advances in diverse areas of application. In this review, chemically driven luminescence tuning is Tuning the luminescence of phosphors is extremely important in controlling and processing light for active components of light sources, optical sensing, display devices, and biomedicine. So far, conventional chemical approaches have routinely been employed to modify the luminescence during the phosphor's synthesis. It is interesting to broaden the modulation of luminescence by physical methods, such as electric fi eld, magnetic fi eld, mechanical stress, temperature, photons, ionizing radiation, and so on. Since some physical methods may provide unusual routes to tune the luminescence in in-situ, real-time, dynamical and reversible mann...

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Dilute Bismuth Optical Fibers

Jia

Sun

et al. 2019

Bismuth-Containing Alloys and Nanostructures

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Optical gain and laser generation in bismuth-doped silica fibers free of other dopants

Cited by 64 publications

References 9 publications

Superbroad near-to-mid-infrared luminescence from Bi_5 ^3+ in Bi_5(AlCl_4)_3

Superbroad near-to-mid-infrared luminescence from Bi_5 ^3+ in Bi_5(AlCl_4)_3

Tuning the Luminescence of Phosphors: Beyond Conventional Chemical Method

Dilute Bismuth Optical Fibers

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