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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 30, Iss. 10 — May. 15, 2012
  • pp: 1455–1462

Spectroscopy, Modeling, and Performance of Erbium-Doped Ta2O5 Waveguide Amplifiers

Ananth Z. Subramanian, G. Senthil Murugan, Michalis N. Zervas, and James S. Wilkinson

Journal of Lightwave Technology, Vol. 30, Issue 10, pp. 1455-1462 (2012)


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Abstract

The design, fabrication, spectroscopic characterization, and performance of an Er:Ta2O5 rib waveguide amplifier is described. Rib waveguides with low loss (< 0.65 dB/cm at 1600 nm) were obtained. Their absorption spectrum was measured and McCumber theory was employed to obtain the emission spectrum, leading to the absorption and emission cross sections. Numerical modeling for gain optimization in Er:Ta2O5 waveguide amplifiers is presented, employing the experimentally determined parameters. Finally, net optical gain of 2.1 dB/cm at 1531.5 nm is demonstrated in a 2.3 cm long Er:Ta2O5 rib waveguide when pumped with 977 nm laser diode, and compared with simulations to deduce the extent of upconversion.

© 2012 IEEE

Citation
Ananth Z. Subramanian, G. Senthil Murugan, Michalis N. Zervas, and James S. Wilkinson, "Spectroscopy, Modeling, and Performance of Erbium-Doped Ta2O5 Waveguide Amplifiers," J. Lightwave Technol. 30, 1455-1462 (2012)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-30-10-1455

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