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Grating Coupled GaAs/GaAℓAs Ring Laser

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Abstract

We report output coupling of guided modes in an electrically pumped GaAs/GaAℓAs ring laser. The device which utilizes a grating coupler1-5 has the advantages of low laser threshold, which is characteristic of diode ring lasers, and of highly collimated, polarized output beams.

© 1976 Optical Society of America

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