Comparison of distributed Bragg reflector ridge waveguide diode lasers and monolithic master oscillator power amplifiers

Werner, Nils; Wegemund, Jan; Gerke, Sebastian; Feise, D.; Bugge, F.; Paschke, K.; Tränkle, G.

doi:10.1117/12.2288352

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Laser Structure and Equations1

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2021

2022

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Cited by 2 publications

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“…From the characteristics a threshold of 0.15 A, and a slope of 0.6 W/A can be determined. The experimental investigations were performed at room temperature [9]. This figure indicated a good agreement between numerical calculations and experimental results.…”

Section: Resultssupporting

confidence: 66%

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The Influence of a Residual Reflectivity at the Front Facet of a Multisection Master-Oscillator Power-Amplifier

Grigoriev¹,

Tronciu²,

Werner³

et al. 2022

JES

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This paper reports on the theoretical end experimental investigation of the output characteristics of a multisection master-oscillator power-amplifier (MOPA). It consists of a master oscillator (MO) composed by a gain section surrounded by two DBR sections monolithically integrated with a power amplifier (PA). We use a traveling wave equation model to calculate the optical output power in dependence on the current injected into the PA. The experimental results can be well explained with our theoretical analysis. For a finite front facet reflectivity of the PA the system is acting as a compound cavity.

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Section: Resultssupporting

confidence: 66%

“…Electrical currents are injected into the gain section (I MO) and the power amplifier (IPA). The investigated structure is like to the one reported in [9]. The layer structure was grown by metalorganic vapor phase epitaxy.…”

Section: Laser Structure and Equationsmentioning

confidence: 99%