Evolution of multi-mode operation in vertical-external-cavity surface-emitting lasers | Zendy

Matthias Wichmann | Zendy; Mohammad Khaled Shakfa | Zendy; Fan Zhang | Zendy; Bernd Heinen | Zendy; Maik Scheller | Zendy; Arash RahimiIman | Zendy; W. Stolz | Zendy; Jerome V. Moloney | Zendy; S. W. Koch | Zendy; Martín Koch | Zendy

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Evolution of multi-mode operation in vertical-external-cavity surface-emitting lasers

Author(s) -

Matthias Wichmann,

Mohammad Khaled Shakfa,

Fan Zhang,

Bernd Heinen,

Maik Scheller,

Arash RahimiIman,

W. Stolz,

Jerome V. Moloney,

S. W. Koch,

Martín Koch

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.21.031940

Subject(s) - optics , laser , fabry–pérot interferometer , longitudinal mode , optical cavity , resonator , streak camera , interferometry , materials science , physics

The longitudinal multi-mode emission in a vertical-external-cavity surface-emitting laser is investigated using both single shot streak camera measurements and interferometric measurement techniques. For this, the laser is operated in the single- and two-color emission regime using both an etalon and a free-running configuration without etalon, respectively. The laser emission is analyzed with respect to pump power and output coupling losses for a long and for a short resonator. We observe a steep increase of emission bandwidth close to the laser threshold and monitor the transition between longitudinal single- and multi-mode operation. Additionally, the results indicate that a stable two-color operation is related to a sufficiently high number of oscillating longitudinal modes within each color.

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