LiNbO3 Channel Waveguide Mode Annihilation Switching Array And Its Applications

Ray T. Chen

doi:10.1117/12.962388

6 December 1989 LiNbO₃ Channel Waveguide Mode Annihilation Switching Array And Its Applications

Ray T. Chen

Proceedings Volume 1154, Real-Time Signal Processing XII; (1989) https://doi.org/10.1117/12.962388
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

Optical signal processing and computing require spatial as well as temporal dimensionality. We report thermally annealed cutoff modulator and modulator array that can provide wide modulation bandwidth and multi-channel optical signal processing capability. Experimental results for single channel device and modulator array are presented. A detailed theory is given to explain the theory and the working principle of cutoff modulator. The increase of linear dynamic range of the device after appropriate heat treatment is quantitatively explained. The improvement is due to the proper combination of the coupling condition and the heat-treatment perturbed, electric field induced attenuation coefficient. Modulator array with 333 channels/cm packing density and 1.6 GHz modulation bandwidth is also demonstrated experimentally. Further applications by utilizing the cutoff modulator array, such as addition and subtraction of two numbers and optical logic gate operations are realized also.

Citation Download Citation

Ray T. Chen "LiNbO₃ Channel Waveguide Mode Annihilation Switching Array And Its Applications", Proc. SPIE 1154, Real-Time Signal Processing XII, (6 December 1989); https://doi.org/10.1117/12.962388

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