Characterization and fabrication of rare-earth doped amplifying fibers based on atomic layer deposition

Xiaolan Sun; Yanhua Dong; Chao Li; Xiaohong Liu; Shuo Li

doi:10.1117/12.870421

17 November 2010 Characterization and fabrication of rare-earth doped amplifying fibers based on atomic layer deposition

Xiaolan Sun, Yanhua Dong, Chao Li, Xiaohong Liu, Shuo Li

Author Affiliations +

Proceedings Volume 7847, Optoelectronic Devices and Integration III; 78472Q (2010) https://doi.org/10.1117/12.870421
Event: Photonics Asia 2010, 2010, Beijing, China

Abstract

Nano-Rare Earth Doped Fibers (NREDFs) have shown great application for optical fiber amplifiers, fiber lasers and sensors. The rapid development of fiber communication systems has a higher requirement on the NREDFs. Atomic layer deposition (ALD) is a chemical vapor deposition technique based on the sequential use of self-terminating gas-solid reactions. As a film deposition technique, ALD is known for its effective material utilization at low temperatures, accuracy thickness control, excellent step coverage, good uniformity and adhesion, good conformability. In this paper, ALD was used to fabricate high concentration alumina-erbium co-doped amplifying fibers. Based on Modified Chemical Vapor Deposition (MCVD) and ALD, using nanomaterials as a dopant, the alumina-erbium co-doped amplifying fibers were fabricated. The main advantages of this novel method include good uniformity, high dispersibility, and high doping concentration. Scanning electron microscopy (SEM), transmission electron microscopy (TEM) images and X-ray energy dispersive spectroscopy (EDS) showed the physical and chemical features of the deposited film upon a porous silica soot layer. Photoluminescence (PL) and absorption spectra were used to characterize the optical properties. The fibers have high gain, low noise, high power and are independent of polarization, which make them desirable for fiber devices.

Citation Download Citation

Xiaolan Sun, Yanhua Dong, Chao Li, Xiaohong Liu, and Shuo Li "Characterization and fabrication of rare-earth doped amplifying fibers based on atomic layer deposition", Proc. SPIE 7847, Optoelectronic Devices and Integration III, 78472Q (17 November 2010); https://doi.org/10.1117/12.870421

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