Phase noise and dynamic range of analog fiber links using electroabsorption modulators

Robert B. Welstand; Richard Joseph Orazi; Chen Kuo Sun; Hemonth G. Rao; Yet Zen Liu; Stephen A. Pappert; Paul K. L. Yu

doi:10.1117/12.259024

22 November 1996 Phase noise and dynamic range of analog fiber links using electroabsorption modulators

Robert B. Welstand, Richard Joseph Orazi, Chen Kuo Sun, Hemonth G. Rao, Yet Zen Liu, Stephen A. Pappert, Paul K. L. Yu

Proceedings Volume 2844, Photonics and Radio Frequency; (1996) https://doi.org/10.1117/12.259024
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Large spurious-free dynamic range (SFDR) has been measured in a fiber optic link using an InGaAsP electroabsorption (EA) waveguide modulator. Link phase noise is investigated and conversion of AM noise to phase noise appears to be an issue in the EA device. Preliminary measurements of the EA link show inferior close-to-carrier phase noise compared to a link using a Mach-Zehnder modulator with similar SFDR. Optical feedback from the output coupling fiber is shown to contribute partially to close-in phase noise.

Citation Download Citation

Robert B. Welstand, Richard Joseph Orazi, Chen Kuo Sun, Hemonth G. Rao, Yet Zen Liu, Stephen A. Pappert, and Paul K. L. Yu "Phase noise and dynamic range of analog fiber links using electroabsorption modulators", Proc. SPIE 2844, Photonics and Radio Frequency, (22 November 1996); https://doi.org/10.1117/12.259024

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