High-power single-frequency fiber lasers with exceptional properties, such as mode-hop-
free and narrower linewidths, lower noise, and compact all-fiber designs, have been …

The rapid development of emerging technologies observed in recent years, such as artificial
intelligence, machine learning, mobile internet, big data, cloud computing, and the Internet …

Near-infrared (NIR) luminescent materials are attracting much attention as the promising
applications in food composition analysis, night vision, biosensors, and so on. Besides Cr3+ …

Bismuth is one of the most thoroughly investigated main group elements, which has been
regarded as 'the wonder metal'because of its diverse oxidation states and profound …

The current state of the art in infrared Bi-doped fiber laser research is reviewed. The relevant
fiber glass compositions and fiber technologies are introduced. Lasers operating on …

We report the first (to our knowledge) development of a Bi/Er/Al/P codoped germanosilica
optical fiber showing ultrabroadband luminescence between 1000 and 1570 nm, covering O …

Bi-and Er-codoped germanosilicate optical fibers have been fabricated and studied as a
potential gain medium for fiber-based devices operating in the near infrared region. A …

Phosphors with the ultraviolet (UV) persistent luminescence (PersL) may have potential
applications such as photo-catalysis, anti-counterfeiting, water disinfecting and …

In this study, Gd 2 O 3–Ga 2 O 3-GeO 2-Nd 2 O 3 glasses and glass ceramics were
synthesized, and their structural, thermal, and crystallization characteristics were analyzed …

This work deals with research and optimization of the optical Ge–Si glass composition
doped with Er 3+, Yb 3+ ions and bismuth optically active centers (BACs), which are …