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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 5, Iss. 9 — Jul. 6, 2010

Radiation and gain behaviors in Tm 3 + -doped aluminum germanate substrate glasses and thermal ion-exchanged waveguide

Dianlai Yang, Edwin YunBun Pun, Naiqin Wang, and Hai Lin  »View Author Affiliations


JOSA B, Vol. 27, Issue 5, pp. 990-996 (2010)
http://dx.doi.org/10.1364/JOSAB.27.000990


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Abstract

Tm 3 + -doped acid-resistant aluminum germanate (NMAG) glasses and a K + Na + ion-exchanged channel waveguide have been fabricated and characterized. Judd–Ofelt intensity parameters indicate a high asymmetry and strong covalent environment in NMAG glasses. A remarkable internal gain coefficient of 0.48 dB cm at 1.482 μ m wavelength was achieved in the 3.15 cm long channel waveguide. Based on absorption and emission cross-sections, the ideal internal gain coefficient at 1.675 μ m and 1.815 μ m is given to be 0.5 dB cm and 2.0 dB cm , respectively, as the population inversion equals 1.0. Experimental results and theoretical anticipation indicate that Tm 3 + -doped NMAG glasses are potential and attractive substrates in developing S- and U-band waveguide amplifiers and an eye-safe medical laser.

© 2010 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: December 22, 2009
Revised Manuscript: February 27, 2010
Manuscript Accepted: March 9, 2010
Published: April 26, 2010

Virtual Issues
Vol. 5, Iss. 9 Virtual Journal for Biomedical Optics

Citation
Dianlai Yang, Edwin Yun Bun Pun, Naiqin Wang, and Hai Lin, "Radiation and gain behaviors in Tm3+-doped aluminum germanate substrate glasses and thermal ion-exchanged waveguide," J. Opt. Soc. Am. B 27, 990-996 (2010)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josab-27-5-990

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