Giant Optical Gain in a Rare-earth-ion-doped Waveguide

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

doi:10.1364/CLEO_AT.2011.PDPA12

CLEO:2011 - Laser Applications to Photonic Applications
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper PDPA12
•https://doi.org/10.1364/CLEO_AT.2011.PDPA12

Giant Optical Gain in a Rare-earth-ion-doped Waveguide

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

CLEO: Applications and Technology 2011

Baltimore, Maryland United States
1–6 May 2011
ISBN: 978-1-55752-910-7

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D. Geskus, S. Aravazhi, S. M. García-Blanco, and M. Pollnau, "Giant Optical Gain in a Rare-earth-ion-doped Waveguide," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper PDPA12.

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Abstract

By exploiting large transition cross-sections, high dopant concentration, and strong light confinement, a gain of 950 dB/cm is demonstrated in a large-refractive-index-contrast KGd_xLu_1-x (WO₄)₂:Yb³⁺ channel waveguide, representing a two-orders-of-magnitude improvement over previous results in rare-earth-ion-doped materials.

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