The variable stripe-length method revisited: Improved analysis

C. Lange, M. Schwalm, S. Chatterjee, W. W. Rühle, N. C. Gerhardt, Shane Johnson, J. B. Wang, Yong-Hang Zhang

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


The variable stripe length method described by Shaklee and Leheny, [Appl. Phys. Lett. 18, 475 (1971)] is a straightforward way to determine the steady-state gain spectrum of laser material. Here, common sources of error are identified and several new, robust ways of calculating the gain from the data are presented. The advantages of these methods are underlined by applying them to data obtained from a Ga (AsSb) GaAs (AlGa) As heterostructure.

Original languageEnglish (US)
Article number191107
JournalApplied Physics Letters
Issue number19
StatePublished - 2007

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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