Integrated Optical Circuits For RF Spectrum Analysis

B. Chen; T. R. Joseph; J Y Lee; T. R. Ranganath

doi:10.1117/12.958502

25 April 1980 Integrated Optical Circuits For RF Spectrum Analysis

B. Chen, T. R. Joseph, J Y Lee, T. R. Ranganath

Proceedings Volume 0218, Devices and Systems for Optical Signal Processing; (1980) https://doi.org/10.1117/12.958502
Event: 1980 Los Angeles Technical Symposium, 1980, Los Angeles, United States

Abstract

This paper describes the integrated-optic implementation of a Bragg spectrum analyzer that employs the interaction between a coherent optical guided wave and a surface acoustic wave to determine the power spectral density of the input. The integrated-optic spectrum analyzer consists of an injection laser diode, a thin-film optical waveguide, waveguide lenses, a surface-acoustic-wave transducer, and a linear detector array with CCD readout. Design principles are given for selecting component parameters such as optical beam width, detector cell size, lens aperture and focal length, and acoustic transducer design so as to obtain specific rf resolution, spurious level, and signal-to-noise ratio. Design parameters are presented for a 750- to 1250-MHz spectrum analyzer with a resolution of 4 MHz and a 40-dB dynamic range. Also described in the paper is the development of state-of-the-art component technology for the spectrum analyzer.

Citation Download Citation

B. Chen, T. R. Joseph, J Y Lee, and T. R. Ranganath "Integrated Optical Circuits For RF Spectrum Analysis", Proc. SPIE 0218, Devices and Systems for Optical Signal Processing, (25 April 1980); https://doi.org/10.1117/12.958502

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