Simple and accurate loss measurement technique for semiconductor optical waveguides

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Simple and accurate loss measurement technique for semiconductor optical waveguides

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Loss figures for GaAs/GaAlAs heterostructure optical waveguides have been derived from Fabry-Perot cavity resonances. These correlate with the mean guide transmissions within ±0.5 dB for 75% of the guides measured, for losses up to 12 dB per pass.

Inspec keywords: aluminium compounds; loss measurement; optical waveguides; semiconductor devices; optical variables measurement; optical testing; III-V semiconductors; gallium arsenide

Other keywords: optical testing; semiconductor optical waveguides; loss measurement technique; III-V semiconductors; Fabry-Perot cavity resonances; GaAs/GaAlAs heterostructure

Subjects: Optical waveguides; Optical instruments and techniques; Optical testing techniques; Optical variables measurement; Optical waveguides and couplers

References

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      • L.D. Hutcheson , I.A. White , J.J. Burke . Comparison of bending losses in integrated optical circuits. Opt. Lett. , 276 - 278
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      • E. Kuphal , H.W. Dinges . Composition and refractive index of Ga1−xAlxAs determined by ellipsometry. J. Appl. Phys. , 4196 - 42000
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      • F.R. Nash , R.L. Hartman . Accelerated facet erosion formation and degradation of AlGaAs double-heterostructure losses. IEEE J. Quantum. Electron. , 1022 - 1033
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      • R.G. Walker , C.D.W. Wilkinson . Integrated optical ring resonators made by silver ion-exchange in glass. Appl. Opt. , 1029 - 1035
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Erratum: Simple and accurate loss measurement technique for semiconductor optical waveguides