Abstract

Glass-clad ${\mathrm{Cr}}^{4+}:\mathrm{YAG}$ crystal fiber is demonstrated by a codrawing laser-heated pedestal growth method. As much as 2.45 mW of superwideband amplified spontaneous emission (ASE) is generated in the optical fiber communication band with a 3-dB width of 240 nm. The simulation indicates that the ASE power could be in excess of 20 dBm for a $5‐\mathit{\mu }\mathrm{m}$-diameter core at a pump power of 2.5 W.

© 2004 Optical Society of America

Double-clad Cr⁴⁺:YAG crystal fiber amplifier

C. Y. Lo, K. Y. Huang, J. C. Chen, C. Y. Chuang, C. C. Lai, S. L. Huang, Y. S. Lin, and P. S. Yeh
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Low-loss propagation in Cr⁴⁺:YAG double-clad crystal fiber fabricated by sapphire tube assisted CDLHPG technique

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Near-infrared broadband emission from glass-clad Cr-doped yttrium orthosilicate crystal fiber

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