High-efficiency 1.3-um multiple quantum well electroabsorption waveguide modulators for microwave photonic links

Kwok Kwong Loi; X. B. Mei; Charles W. Tu; William S. C. Chang

doi:10.1117/12.258991

22 November 1996 High-efficiency 1.3-um multiple quantum well electroabsorption waveguide modulators for microwave photonic links

Kwok Kwong Loi, X. B. Mei, Charles W. Tu, William S. C. Chang

Author Affiliations +

Proceedings Volume 2844, Photonics and Radio Frequency; (1996) https://doi.org/10.1117/12.258991
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Efficient InAsP/GaInP multiple-quantum-well electroabsorption waveguide modulators have been developed at 1.3 micrometers wavelength. The modulators exhibit a typical fiber-to-fiber optical insertion loss of 7 dB, a slope efficiency of 1.0 V^-1, and an optical saturation intensity in excess of 10 mW. The 3 dB electrical bandwidth is dictated by the device capacitance and a 13 GHz bandwidth has been measured for a 3 micrometers wide 180 micrometers long modulator. In a microwave photonic link without amplification, a RF link gain as high as -31 dB is achieved at 0.9 mA photodetector current and 1 GHz subcarrier modulation frequency.

Citation Download Citation

Kwok Kwong Loi, X. B. Mei, Charles W. Tu, and William S. C. Chang "High-efficiency 1.3-um multiple quantum well electroabsorption waveguide modulators for microwave photonic links", Proc. SPIE 2844, Photonics and Radio Frequency, (22 November 1996); https://doi.org/10.1117/12.258991

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