Wavelength-independent output power from an injection-tunable DBRlaser |
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| Authors: | Staring AAM Binsma JJM Kuindersma PI Jansen EJ Thijs PJA Van Dongen T Depovere GFG |
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| Affiliation: | Philips Optoelectron. Centre, Eindhoven; |
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| Abstract: | Injection-tunable three-section distributed Bragg reflector lasers emitting near 1.55 μm have been fabricated employing bulk 1.48-μm-bandgap InGaAsP in the tuning layer of the phase and Bragg sections. The gain in this material compensates for the increased absorption loss during tuning, which results in a nearly wavelength-independent optical output power. The maximum obtained output power is 28 mW ex facet, with a spectral linewidth around 5 MHz |
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