Compact, highly efficient, and powerful 1.48-μm diode-pumped broadband superfluorescent fiber source at 1.55 μm

Février, H.; Marcerou, J.F.; Bousselet, P.; Augé, Jacques; Jurczyszyn, M.

doi:10.1364/ofc.1991.fa5

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1998

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“…The total SFS output power was measured without the analyzer at the output, whereas the ER was measured with the analyzer in place by adjusting PC . 2 The measured dependence of the SFS output power on the pump power is Ž . plotted in Fig.…”

Section: Backward Configurationmentioning

confidence: 99%

Polarized Superfluorescent Fiber Sources

Falquier¹,

Wagener²,

Digonnet

et al. 1998

Optical Fiber Technology

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We report the theoretical and experimental performance of new, linearly Ž . polarized superfluorescent fiber sources SFS . Internal polarization is produced either by splicing a fiber polarizer at an optimum location along a standard Er-doped SFS or by using a single-polarization Er-doped fiber. Numerical simulations predict that when operated in the backward, forward, or double-pass configuration, these SFSs produce nearly twice the power in the desired linear polarization as a standard, unpolarized SFS. This efficiency figure depends weakly on the polarizer location and extinction ratio, but Ž . requires a low polarizer insertion loss -0.5 dB . Laboratory prototypes of a backward and a forward polarized SFS are presented that exhibit a power output in the desired linear polarization about 1.75 times larger than that of an unpolarized SFS, and an extinction ratio in excess of 17.5 dB. ᮊ 1998 Academic Press

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Section: Backward Configurationmentioning

confidence: 99%