Gain measurements of Fabry-Perot InP/InGaAsP lasers using an ultra high resolution spectrometer

Y. Barbarin, E.A.J.M. Bente, L. Mussard, G. Servanton, Y.S. Oei, R. Nötzel, M.K. Smit

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Abstract

In this paper we present the use of an ultra-high resolution (20 MHz) spectrometer to measure the gain in a Fabry-Pérot InGaAsP laser from subthreshold ASE spectra. The method is derived from the Hakki-Paoli method. A non-linear least-squares fitting of the observed modes is used to extract the gain from the line shape. Each mode of the measured spectrum is fully resolved and fitted separately. Thus the spectral gain curve is not restricted to a parabolic function. The optical gain spectrum and the differential gain are determined. These parameters will be used in our laser simulations.
Original languageEnglish
Title of host publicationProceedings of the 10th Annual Symposium IEEE/LEOS Benelux Chapter, 1-2 December 2005, Mons, Belgium
EditorsP. Mégret, M. Wuilpart, S. Bette, N. Staquet
Place of PublicationMons
PublisherIEEE/LEOS
Pages253-256
ISBN (Print)2-960022645
Publication statusPublished - 2005
Event10th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 1-2, 2005, Mons, Belgium - Mons, Belgium
Duration: 1 Dec 20052 Dec 2005

Conference

Conference10th Annual Symposium of the IEEE/LEOS Benelux Chapter, December 1-2, 2005, Mons, Belgium
CountryBelgium
CityMons
Period1/12/052/12/05

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