Taper couplers for GaAs−AlxGa1−xAs waveguide layers produced by liquid phase and molecular beam epitaxy
- 15 March 1975
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 26 (6) , 337-340
- https://doi.org/10.1063/1.88145
Abstract
Growth techniques and passive evaluation of tapered waveguide light couplers produced by LPE and MBE are reported. Coupling efficiencies approaching 100% for the transfer of light from a GaAs layer to a layer of Al0.1Ga0.9As are observed for MBE tapers, and tapers fabricated by LPE allow ∼50% coupling, suitable for use with LPE active devices.Keywords
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