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
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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.
©(2010) Society of Photo-Optical Instrumentation Engineers (SPIE)
D. L. Wang, W. H. Lei, Edwin Yue-Bun Pun, F. Song, H. Gong, and 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
Published: 1 June 2010
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KEYWORDS
Glasses

Erbium

Ytterbium

Fiber amplifiers

Absorption

Cladding

Single mode fibers

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