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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 7 — Jul. 1, 2007
  • pp: 1517–1526

Raman scattering characteristics of the TBSN-based tellurite glass system as a new Raman gain medium

Rajan Jose, Yusuke Arai, and Yasutake Ohishi  »View Author Affiliations


JOSA B, Vol. 24, Issue 7, pp. 1517-1526 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001517


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Abstract

A study was initiated to understand requirements for widening and flattening the gain spectra of tellurite-based glasses for their application as new gain media for photonic devices. For this purpose, two Raman active components, W O 3 and P 2 O 5 , were added either separately or jointly to a Te O 2 Ba O Sr O Nb 2 O 5 (TBSN) glass system, and the Raman spectral evolution in response to this addition was studied. Raman scattering cross sections of the TBSN glasses were increased with an increase in the W O 3 content and decreased with an increase in the P 2 O 5 content. The Raman intensity and bandwidth increased when W O 3 and P 2 O 5 were jointly added in TBSN. The bandwidths of the Raman gain coefficient spectra of the present tellurite glasses were more than twice that of a conventional Te O 2 Bi 2 O 3 Zn O Na 2 O glass and 70% larger than that of silica glass. The new glasses are expected to be candidates for ultrabroadband fiber Raman amplifiers.

© 2007 Optical Society of America

OCIS Codes
(060.2290) Fiber optics and optical communications : Fiber materials
(160.0160) Materials : Materials
(160.4670) Materials : Optical materials
(170.5660) Medical optics and biotechnology : Raman spectroscopy

ToC Category:
Materials

History
Original Manuscript: December 13, 2006
Revised Manuscript: March 19, 2007
Manuscript Accepted: March 21, 2007
Published: June 15, 2007

Citation
Rajan Jose, Yusuke Arai, and Yasutake Ohishi, "Raman scattering characteristics of the TBSN-based tellurite glass system as a new Raman gain medium," J. Opt. Soc. Am. B 24, 1517-1526 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-7-1517

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