Giant optical gain in rare-earth-ion-doped thin films and waveguides

D. Geskus; S. Aravazhi; S.M. García-Blanco; M. Pollnau

Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011
(Optica Publishing Group, 2011),
paper C170

Giant optical gain in rare-earth-ion-doped thin films and waveguides

D. Geskus, S. Aravazhi, S.M. García-Blanco, and M. Pollnau

Conference on Lasers and Electro-Optics/Pacific Rim 2011

Sydney Australia
28 August–1 September 2011
ISBN: 978-0-9775657-7-1

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Session 9: Symposium 3 - Sources and Amplifiers (SA)

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D. Geskus, S. Aravazhi, S. M. García-Blanco, and M. Pollnau, "Giant optical gain in rare-earth-ion-doped thin films and waveguides," in Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011, (Optica Publishing Group, 2011), paper C170.

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Abstract

In a rare-earth-ion-doped double tungstate channel waveguide amplifier, we demonstrate an ultra-high modal gain of 950 dB/cm, two order of magnitude higher than in other rare-earth-ion-doped materials and comparable to modal gain in semiconductors.

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