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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 10 — Oct. 1, 2011
  • pp: 2320–2327

Signal amplification in rare-earth doped heavy metal germanium tellurite glass fiber

Baojie Chen, Lifan Shen, Hai Lin, and Edwin Yue Bun Pun  »View Author Affiliations


JOSA B, Vol. 28, Issue 10, pp. 2320-2327 (2011)
http://dx.doi.org/10.1364/JOSAB.28.002320


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Abstract

Rare-earth doped heavy metal germanium tellurite (NZPGT) glass fibers with lower maximum phonon energy of 793 cm 1 and UV-sensitivity property have been designed and fabricated. Bright and compact upconversion traces have been observed in Er 3 + / Yb 3 + and Tm 3 + / Yb 3 + codoped NZPGT glass fibers, which exhibit favorable flexibility and excellent thermal stability, indicating that the NZPGT glasses are a desirable candidate for fiber amplifiers. The Er 3 + / Yb 3 + codoped NZPGT glasses present a broad emission at ~ 1.5 μm with the FWHM of 72.7 nm , and the maximum internal gain of 12.59 dB with a remarkable gain coefficient of 2.38 dB / cm in the C-band were achieved in a Er 3 + / Yb 3 + codoped NZPGT glass fiber. The efficient three-photon blue and two-photon near-IR upconversion emissions of a Tm 3 + / Yb 3 + codoped NZPGT glass fiber demonstrate that low phonon energy NZPGT glasses have promising potential applications in Tm 3 + single-doped glass fibers for S-band signal amplification, and the further development of O- and U-band fiber amplifiers and lasers in Pr 3 + and Ho 3 + doped NZPGT glass fibers.

© 2011 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(130.3130) Integrated optics : Integrated optics materials
(130.2755) Integrated optics : Glass waveguides

ToC Category:
Integrated Optics

History
Original Manuscript: April 27, 2011
Revised Manuscript: July 19, 2011
Manuscript Accepted: July 27, 2011
Published: September 1, 2011

Citation
Baojie Chen, Lifan Shen, Hai Lin, and Edwin Yue Bun Pun, "Signal amplification in rare-earth doped heavy metal germanium tellurite glass fiber," J. Opt. Soc. Am. B 28, 2320-2327 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-10-2320

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