Consistent characterization of semiconductor saturable absorber mirrors with single-pulse and pump-probe spectroscopy | Zendy

Robert Fleischhaker | Zendy; N. Krauß | Zendy; Farina Schättiger | Zendy; T. Dekorsy | Zendy

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Consistent characterization of semiconductor saturable absorber mirrors with single-pulse and pump-probe spectroscopy

Author(s) -

Robert Fleischhaker,

N. Krauß,

Farina Schättiger,

T. Dekorsy

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.006764

Subject(s) - spectroscopy , optics , materials science , fluence , characterization (materials science) , semiconductor , saturable absorption , pulse shaping , pulse (music) , optoelectronics , laser , wavelength , physics , fiber laser , quantum mechanics , detector

We study the comparability of the two most important measurement methods used for the characterization of semiconductor saturable absorber mirrors (SESAMs). For both methods, single-pulse spectroscopy (SPS) and pump-probe spectroscopy (PPS), we analyze in detail the time-dependent saturation dynamics inside a SESAM. Based on this analysis, we find that fluence-dependent PPS at complete spatial overlap and zero time delay is equivalent to SPS. We confirm our findings experimentally by comparing data from SPS and PPS of two samples. We show how to interpret this data consistently and we give explanations for possible deviations.

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