High dynamic range in electroabsorption modulator for analog links

Robert B. Welstand; Chen Kuo Sun; Yet Zen Liu; Stephen A. Pappert; J. T. Zhu; Jin Chen; Paul K. L. Yu

doi:10.1117/12.218532

1 October 1995 High dynamic range in electroabsorption modulator for analog links

Robert B. Welstand, Chen Kuo Sun, Yet Zen Liu, Stephen A. Pappert, J. T. Zhu, Jin Chen, Paul K. L. Yu

Proceedings Volume 2560, Optical Technology for Microwave Applications VII; (1995) https://doi.org/10.1117/12.218532
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

The Franz-Keldysh effect is utilized for high-linearity, electroabsorptive InGaAsP waveguide modulators. Two-tome RF measurements are performed in which the DC bias is adjusted to maximize the spurious-free linear dynamic range. With the proper choice of bias, the sub- octave link dynamic range increases to 123 dB in a 1 Hz bandwidth for 0.25 mA photocurrent.

Citation Download Citation

Robert B. Welstand, Chen Kuo Sun, Yet Zen Liu, Stephen A. Pappert, J. T. Zhu, Jin Chen, and Paul K. L. Yu "High dynamic range in electroabsorption modulator for analog links", Proc. SPIE 2560, Optical Technology for Microwave Applications VII, (1 October 1995); https://doi.org/10.1117/12.218532

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