A new method to determine the Er-fibre gain coefficient from dynamic gain tilt technique

Muro, R. Di; Wilson, S.J.; Jolley, N.E.; Farley, B.S.; Robinson, Andrew; Mun, J.

doi:10.1109/ofc.1999.766351

Cited by 2 publications

(2 citation statements)

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“…The following section describes how the spectroscopic data are recovered from simple measurements of lifetime, saturated fluorescence, ground-state absorption and gain tilt [6].…”

Section: Spectroscopymentioning

confidence: 99%

“…Alternatively, one may use the factor σ a exp(−hν/k b T ) from the McCumber relation to get the emission spectral shape, but as σ a is very small for wavelengths beyond 1.9 μm and with the short-comings of the McCumber theory in mind, this is also problematic. To overcome this, a relative measurement of the emission spectrum is necessary and this is accomplished by measuring the gain tilt [6].…”

Section: Scaling Of the Emission Cross-sectionmentioning

confidence: 99%

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Emission and absorption cross section of thulium doped silica fibers

Agger¹,

Povlsen²

2006

Opt. Express

155

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A thorough investigation of the emission and absorption spectra of the ( 3 F 4 , 3 H 6 ) band in thulium doped silica fibers has been performed. All the basic parameters of thulium in silica have been extracted with the purpose of further analysis in laser and amplifier simulations. The experimental methods used to obtain the scaled cross sections have been carefully selected in order to avoid problems associated with calibrated measurements and knowledge of the radiative lifetime. The values of the absorption cross sections agree well with previously reported values, however the peak emission to peak absorption cross section ratios are found to be significantly below 1. Also confinement factors and thulium concentrations are estimated from the results. 948-956 (1999). 12. X. Zou and H. Toratani, "Spectroscopic properties and energy transfer in Tm 3+ singly-and Tm 3+ /Ho 3+ doublydoped glasses," J. Non-crystalline Solids 195, 113-124 (1996). 13. B. M. Walsh and N. P. Barnes, "Comparison of Tm:ZBLAN and Tm:silica fiber lasers;Spectroscopy and tunable pulsed laser operation around 1.9 μm," Appl. Phys. B 78, 325-333 (2004).

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“…The following section describes how the spectroscopic data are recovered from simple measurements of lifetime, saturated fluorescence, ground-state absorption and gain tilt [6].…”

Section: Spectroscopymentioning

confidence: 99%

Section: Scaling Of the Emission Cross-sectionmentioning

confidence: 99%