Signal enhancement in Er3+-doped telluride glass microsphere

Xiang Peng; Feng Song; Shibin Jiang; Makoto Gonokami; Nasser Peyghambarian

doi:10.1117/12.461650

5 April 2002 Signal enhancement in Er³⁺-doped telluride glass microsphere

Xiang Peng, Feng Song, Shibin Jiang, Makoto Gonokami, Nasser Peyghambarian

Proceedings Volume 4645, Rare-Earth-Doped Materials and Devices VI; (2002) https://doi.org/10.1117/12.461650
Event: Symposium on Integrated Optoelectronic Devices, 2002, San Jose, California, United States

Abstract

Microstructure resonators have attracted considerable attention because of their versatility for signal processing applications. We use our Er³⁺ doped telluride glass to fabricate Er³⁺ glass microsphere. The excitation of whispering-gallery modes is realized by coupling from an angle-polished single-mode optical fiber tip to an optical microsphere cavity. In the experimental setup, one fiber was used as an input coupler and the other fiber was used as an output coupler. 975nm fiber pigtailed laser diode was used to side pump the microspheres. Very nice whispering-gallery modes (WGM's) near 1.5mm were observed successfully. Signal enhancement was observed in this Er³⁺ doped telluride glass microsphere with a radius around 50mm. The best enhancement of this Er³⁺ doped telluride glass microsphere reaches 12dB.

Citation Download Citation

Xiang Peng, Feng Song, Shibin Jiang, Makoto Gonokami, and Nasser Peyghambarian "Signal enhancement in Er³⁺-doped telluride glass microsphere", Proc. SPIE 4645, Rare-Earth-Doped Materials and Devices VI, (5 April 2002); https://doi.org/10.1117/12.461650

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