Optical Waveguide Characterization Using Grating Couplers.

reportActive / Technical Report | Accession Number: ADA153063 | Open PDF

Abstract:

Optical waveguides of GaAlAs were experimentally investigated using tthe grating coupler. A convenient measurement to reference input-coupling angles to the normal is described. This referencing capability enables the accurate characterization of a single mode waveguide. The measurement is applicable to the determination of the effective refractive index of quaternary waveguides, and thus could assist in the fabrication of GaInAsPInP distributed Bragg reflector lasers. Keywords include GaAlAs, GaInAsPInP, Grating Coupler, Optical Waveguide, Quaternary, and III-V Semiconductor.

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