Green second-harmonic surface emission from (211)B GaAs/AlGaAs waveguides
- 25 November 1993
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 29 (24) , 2106-2107
- https://doi.org/10.1049/el:19931408
Abstract
A passive GaAs/Al0.8Ga0.2As green surface-emitting second-harmonic generator grown on a (211)B GaAs substrate is demonstrated. This orientation offers the same up-conversion efficiency as (110) devices without requiring etched waveguide facets. The GaAs and Al0.8Ga0.2As second-harmonic coefficients are determined from the measured up-conversion efficiencies for TE0 and TM0 mode excitation.Keywords
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