Optical performance of Er3+/Yb3+ codoped core-cladding heterogeneous single-mode fiber amplifier

D. L. Wang; W. H. Lei; Edwin Yue-Bun Pun; F. Song; H. Gong; H. Lin

doi:10.1117/1.3456620

1 June 2010 Optical performance of Er3+/Yb3+ codoped core-cladding heterogeneous single-mode fiber amplifier

D. L. Wang, W. H. Lei, Edwin Yue-Bun Pun, F. Song, H. Gong, H. Lin

Author Affiliations +

Optical Engineering, 49(6), 065008 (2010). https://doi.org/10.1117/1.3456620

Abstract

A high-concentration Er3+/Yb3+ codoped core-cladding heterogeneous single-mode phosphate fiber amplifier with a similar numerical aperture to the Corning SMF-28 standard single-mode optical fiber is described. Measurements and calculations are given for the device's optical absorption, strong infrared fluorescence, absorption, and emission cross-sections of Er3+, Judd-Ofelt parameters, and spontaneous transition probabilities of Er3+ in the core glasses. The relative gain (the signal enhancement) of a 5.8-cm-long fiber amplifier was measured to be 32.3 dB, and after compensating for both the propagation loss and the absorption loss, a maximum internal gain of 2.6 dB/cm at 1.535 µm was obtained, which reveals an available core-cladding heterogeneous design strategy in developing high-gain amplifier devices.

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D. L. Wang, D. L. Wang, W. H. Lei, W. H. Lei, Edwin Yue-Bun Pun, Edwin Yue-Bun Pun, F. Song, F. Song, H. Gong, H. Gong, H. Lin, H. Lin, } "Optical performance of Er3+/Yb3+ codoped core-cladding heterogeneous single-mode fiber amplifier," Optical Engineering 49(6), 065008 (1 June 2010). https://doi.org/10.1117/1.3456620 . Submission:

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