Performance Of The Integrated Optic Spectrum Analyzer

Thomas R. Joseph; T. R. Ranganath; J. Y. Lee; M. Pedinoff

doi:10.1117/12.933242

27 August 1982 Performance Of The Integrated Optic Spectrum Analyzer

Thomas R. Joseph, T. R. Ranganath, J. Y. Lee, M. Pedinoff

Proceedings Volume 0321, Integrated Optics II; (1982) https://doi.org/10.1117/12.933242
Event: 1982 Los Angeles Technical Symposium, 1982, Los Angeles, United States

Abstract

The integrated optic spectrum analyzer is a device which utilizes the Bragg interaction between a SAW and a guided optical beam to perform spectral analysis. Hughes has developed the first fully integrated IOSA which uses a butt-coupled GaAlAs semiconductor laser, a LiNb0₃ waveguide substrate, a 400 MHz bandwidth SAW transducer and a silicon detector/CCD array chip. The completed device exhibited a 3 dB bandwidth of 380 MHz with 10%/watt deflection efficiency at ), = 0.82 μm. The RF resolution was found to be 8 MHz and the dynamic range was greaterPthan 20 dB. Data is also discussed on a modified chirp transducer which exhibits a 450 MHz acousto-optic bandwidth with a center frequency of 1.0 GHz.*

Citation Download Citation

Thomas R. Joseph, T. R. Ranganath, J. Y. Lee, and M. Pedinoff "Performance Of The Integrated Optic Spectrum Analyzer", Proc. SPIE 0321, Integrated Optics II, (27 August 1982); https://doi.org/10.1117/12.933242

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