Linear AlGaAs/GaAs waveguide modulator at lambda=1.32 um utilizing lateral mode interference

Charles T. Sullivan; Sayan D. Mukherjee; Edith Kalweit; Terry Marta; W. Tim Goldberg; Mary K. Hibbs-Brenner; B. Walterson; M. Nisa Khan

doi:10.1117/12.138392

2 December 1992 Linear AlGaAs/GaAs waveguide modulator at lambda = 1.32μm utilizing lateral mode interference

Charles T. Sullivan, Sayan D. Mukherjee, Edith Kalweit, Terry Marta, W. Tim Goldberg, Mary K. Hibbs-Brenner, B. Walterson, M. Nisa Khan

Author Affiliations +

Proceedings Volume 1703, Optical Technology for Microwave Applications VI and Optoelectronic Signal Processing for Phased-Array Antennas III; (1992) https://doi.org/10.1117/12.138392
Event: Aerospace Sensing, 1992, Orlando, FL, United States

Abstract

Optical modulators based on electrooptically-induced lateral mode interference in multimode AlGaAs/GaAs waveguides at lambda = 1.32 micron are investigated for high-frequency linear applications. The key design issue is achieving higher slope efficiency while maintaining significant linearity improvements over sinusoidal interference-based modulator designs. We report experimental results which demonstrate indirectly a reduction in intermodulation distortion of 48 dB compared to an ideal Mach-Zehnder interferometer.

Citation Download Citation

Charles T. Sullivan, Sayan D. Mukherjee, Edith Kalweit, Terry Marta, W. Tim Goldberg, Mary K. Hibbs-Brenner, B. Walterson, and M. Nisa Khan "Linear AlGaAs/GaAs waveguide modulator at lambda = 1.32μm utilizing lateral mode interference", Proc. SPIE 1703, Optical Technology for Microwave Applications VI and Optoelectronic Signal Processing for Phased-Array Antennas III, (2 December 1992); https://doi.org/10.1117/12.138392

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