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A new generation of resonant grating filters called Cavity Resonator Integrated Guided Mode Filters (CRIGFs) were recently introduced in [1]. Such reflective filters exhibit high reflectivity with narrow spectral bandwidth even for tightly focused beams [2]. This, combined with their large alignment tolerances make them ideal candidates for use as reflectors in cat's-eye-configuration external-cavity...
Resonant grating filters are new optical components of high interest for optical reinjection in a laser diode as they provide simultaneously high reflectivity and high spectral selectivity. However, their usefulness is limited by a low angular tolerance that requires the use of collimated beams. Following the proposal from Ura et al. [1], we demonstrated small aperture resonant grating filters with...
We report on a novel method to measure radiation induced non radiative carrier lifetime modifications in laser diodes. This method is based on the conjugation of theoretical gain calculation, experimental gain measurements, and threshold variation measurements. We show that lifetime variations measured that way are in good agreement with those measured using time resolved photoluminescence (TRPL),...
Quantum dash lasers were irradiated for the first time, using 31 MeV protons. These novel structures, which show promising performances for 1.55 mum optical communications exhibit better robustness to radiation than quantum well lasers.
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