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

Wichmann, Matthias ; Shakfa, Mohammad Khaled ; Zhang, Fan ; Heinen, Bernd ; Scheller, Maik ; Rahimi-Iman, Arash ; Stolz, Wolfgang ; Moloney, Jerome V ; Koch, Stephan W ; Koch, Martin

Optics express, 2013-12, Vol.21 (26), p.31940 [Periódico revisado por pares]

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Título:
Evolution of multi-mode operation in vertical-external-cavity surface-emitting lasers
Autor: Wichmann, Matthias ; Shakfa, Mohammad Khaled ; Zhang, Fan ; Heinen, Bernd ; Scheller, Maik ; Rahimi-Iman, Arash ; Stolz, Wolfgang ; Moloney, Jerome V ; Koch, Stephan W ; Koch, Martin
Assuntos: Energy Transfer ; Equipment Design ; Equipment Failure Analysis ; Lasers ; Scattering, Radiation
É parte de: Optics express, 2013-12, Vol.21 (26), p.31940
Descrição: 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.
Editor: United States
Idioma: Inglês

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