(INVITED) Bi-doped optical fibers and fiber amplifiers

Wang, Yu; Wang, Siyi; Halder, Arindam; Sahu, J.K.

doi:10.1016/j.omx.2022.100219

Cited by 16 publications

(9 citation statements)

References 106 publications

(132 reference statements)

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“…[212] Similarly, to study exocytosis of NPs, application of specific inhibitors that correspond to various pathways can be instrumental in delineating the contribution of each pathway. [213][214][215] The endoplasmic reticulum (ER) and golgi apparatus are primary organelles involved in ER/golgi secretory and golgi-recycling endosome exocytosis pathways. Microtubule pathway is a common route as well.…”

Section: Methods To Investigate Transcytosismentioning

confidence: 99%

Stimuli‐Responsive Nanocarriers for Transcytosis‐Based Cancer Drug Delivery

Wang,

Sun,

Shen

et al. 2024

Advanced NanoBiomed Research

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Significant challenges persist in enhancing the delivery efficiency of tumor nanomedicines, predominantly due to the difficulty of successfully surpassing pathophysiological barriers. Enhancing tumor penetration of nanomedicines in such conditions represents a pivotal goal in advancing anticancer nanotherapeutics. Transcytosis emerges as a promising solution in this context, addressing the limitations of passive drug delivery. By harnessing diverse stimuli to induce transcytosis, nanocarriers can achieve precise drug delivery and deep tumor penetration, resulting in high therapeutic efficacy and reduced systemic exposure to the therapeutic compound. This review briefly examines various stimuli‐responsive nanosystems and offers an overview and outlook on the development of stimuli‐responsive nanocarriers for transcytosis‐based cancer drug delivery, aiming to provide informative insights for the design of nanomedicines capable of deep tissue penetration and enhanced therapeutic efficacy.

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Section: Methods To Investigate Transcytosismentioning

confidence: 99%

Stimuli‐Responsive Nanocarriers for Transcytosis‐Based Cancer Drug Delivery

Wang,

Sun,

Shen

et al. 2024

Advanced NanoBiomed Research

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“…To resolve this crisis, it is critically significant to widen the communication bandwidth and develop broadband, high-efficiency DOI: 10.1002/apxr.202300141 fiber amplifiers have also been demonstrated to be one of the essential ways. [1][2][3][4][5] The vital strategy for this avenue is to develop novel gain fiber materials that can support broadband optical amplification. In the past several decades, researchers have extensively studied rare-earth doped gain fibers.…”

Section: Introductionmentioning

confidence: 99%

“…[13][14][15][16] Since the E band fiber amplifiers based on Bi-doped fibers have been demonstrated, the Bi-activated center for E band emission and the evolution behavior of the Bi-center in glass and glass fiber still remains unknown and the gain coefficients of these gain fibers are relatively low, ranging from ≈0.05 to 0.15 dB m −1 . [1,17,18] In recent years, several efforts have been made to enhance the optical performance of the Bi-doped fiber for amplification. The popular methods involve the enhancement of the solubility of the Bi dopant, regulating chemical alkalinity, external high-energy radiation, and treatment under a reduction atmosphere.…”

Section: Introductionmentioning

confidence: 99%

Cluster Control for Construction of Bismuth‐Doped Glass Fiber with Broadband Optical Response

Zhang,

Dong,

Chen

et al. 2024

Advanced Physics Research

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Bismuth(Bi)‐doped optical fibers are widely used in various aspects such as fiber lasers and amplifiers. Despite extensive research efforts to explore high‐gain Bi‐doped fibers, the pursuit of Bi‐doped fibers with emission over an extremely wide wavelength range remains unfulfilled. Here, the strategy of cluster control via regulating glass structure is proposed. It is applied to construct Bi‐doped photonic glass with ultra‐broadband near‐infrared (NIR) emission and a full width at half maximum (FWHM) of 343 nm. The strategy is further combined with the modified chemical vapor deposition (MCVD) technique with solution doping. The fiber exhibits ultra‐broadband amplified spontaneous emission (ASE) covering the entire fiber communication band (1260–1625 nm). Finally, the fiber exhibits higher optical gain and bandwidth compared with the fiber without cluster control. This device can be utilized to potentially enhance the capacity of telecommunication systems.

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“…In contrast, the BDFA features an extraordinary gain of 38 dB [18], [19], an optical power conversion efficiency higher than 30% [18], and a noise figure as low as 4.5 dB [20]. Moreover, the BDFA provides optical gain in a variety of bands, due to the characteristics of Bi-related centers that depend on the co-doping materials [21], [22]. Each amplification method has its own advantages and disadvantages, and in the case of Raman amplification, although this enables high power amplification in regions beyond the L-and C-bands, placing the Raman pumps within the spectrum restricts transmission through the spectral regions that the pumps occupy.…”

Section: Introductionmentioning

confidence: 99%

Multi-Band ESCL Transmission Supported by Bismuth-Doped and Raman Fiber Amplification

Donodin,

London,

Correia

et al. 2024

J. Lightwave Technol.

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Ultra-wideband transmission utilizes bandwidths beyond the standard C-band to enable significant network capacity upgrades. Upgrading the standard C-band to a C+Lband transmission scenario is already feasible, and exploratory transmission is being performed in the S-, E-, and O-bands to investigate quality of transmission (QoT) impairments in these spectral regions. In this paper, experimental transmission through a SCL-and partial E-band spectral region is performed, with use of a hybrid amplifier that exploits discrete Raman amplification for the SCL-bands, and a bismuth-doped fiber amplifier (BDFA) for the E-band. Through this transmission bandwidth, we demonstrate that 36 Tbit/s transmission is possible, with 150 coherent channels over 70 km of standard, single-mode fiber. This result is compared to a wideband physical layer model that considers a realistic full spectral load transmission scenario, where the E-band is occupied by 74 channels, providing a total of 221 channels. This comparison demonstrates that, for both scenarios in this experiment, the greatest impairment is present within the S-band, and the addition of the E-band to a SCL-band scenario has a negligible impact upon the QoT within the C-and L-bands.

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(INVITED) Bi-doped optical fibers and fiber amplifiers

Cited by 16 publications

References 106 publications

Stimuli‐Responsive Nanocarriers for Transcytosis‐Based Cancer Drug Delivery

Stimuli‐Responsive Nanocarriers for Transcytosis‐Based Cancer Drug Delivery

Cluster Control for Construction of Bismuth‐Doped Glass Fiber with Broadband Optical Response

Multi-Band ESCL Transmission Supported by Bismuth-Doped and Raman Fiber Amplification

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