Investigation of red‐emitting distributed Bragg reflector lasers by means of numerical simulations

Tronciu, Vasile; Wenzel, H.; Radziunas, Mindaugas; Reggentin, Matthias; Wiedmann, J.; Knigge, Andrea

doi:10.1049/iet-opt.2018.0025

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…Lasing starts at a MO current of I MO =125 mA. With increasing MO current, the output power rises nonlinearly with a sawtoothlike shape caused by longitudinal mode jumps as typically observed for DBR lasers [14], [15]. The period of the mode jumps is ∆I M O ≈ 55 mA just above threshold and decreases with increasing MO current due to dominating Joule heating which is proportional to the injection current squared.…”

Section: Mopa Structure and Experimental Resultsmentioning

confidence: 83%

Characteristics of monolithic multisection distributed-Bragg-reflector master-oscillator power-amplifiers

et al. 2022

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We report theoretical results on the wavelength stability of a multisection master-oscillator power-amplifier emitting at 1064 nm. We use a traveling wave equation model to calculate the optical output power and spectral maps versus the currents injected into the different sections of the device. The numerical model explains quantitatively the experimental findings, particularly the collapse of the power if the current injected into a control section adjacent to the distributed Bragg reflector laser acting as master oscillator exceeds certain values. We investigate the influence of the reflectivity at the facet of the power amplifier on the laser behavior.

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Section: Mopa Structure and Experimental Resultsmentioning

confidence: 83%