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Optical Engineering

Er3+-doped tellurite glass microsphere laser: optical properties, coupling scheme, and lasing characteristics
Author(s): Xiang Peng; Feng Song; Makoto Kuwata Gonokami; Shibin Jiang; Nasser N. Peyghambarian
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Paper Abstract

We present a comprehensive review of work on the Er3+-doped tellurite glass microsphere laser. We discuss the optical properties of Er3+-doped tellurite glass, including the emission cross section, the absorption cross section, and the lifetime analysis. Whispering-gallery modes in microspheres and fiber-taper coupling schemes are described, and theoretical analysis is performed for optimization. Finally, lasing characteristics such as the threshold, the lasing wavelength, and the temperature dependence of the microsphere laser are analyzed. Microsphere lasers with different Er2O3 doping concentrations have been fabricated and examined. A state-of-the-art L-band microsphere laser with 124.5-µW maximum output power is demonstrated. These miniature microsphere lasers have great potential and have attracted considerable attention because of their versatility for signal processing, fiber communication, and photon computation, as well as laser stabilization and sensing applications.

Paper Details

Date Published: 1 March 2005
PDF: 8 pages
Opt. Eng. 44(3) 034202 doi: 10.1117/1.1869995
Published in: Optical Engineering Volume 44, Issue 3
Show Author Affiliations
Xiang Peng, Nankai Univ. (China)
Feng Song, Nankai Univ. (China)
Makoto Kuwata Gonokami, The Univ. of Tokyo (Japan)
Shibin Jiang, NP Photonics, Inc. (United States)
Nasser N. Peyghambarian, Optical Sciences Ctr./The Univ. of Arizona (United States)

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