Dynamic range enhancement of electroabsorption modulated laser (EML) by phase change of intermodulation distortion component

Sang Kook Han, Duk Ho Jeon, Hyun Do Jung

Research output: Contribution to journalConference article


A novel linearization process in electroabsorption modulated laser (EML) is proposed and experimentally demonstrated. Dual-parallel modulation scheme is used to compensate the nonlinear component of the EML by controlling the DC bias voltages of the each EML separately. The simulations on the nonlinearity of EML and linearization process are performed in both time and frequency domains. The validity of the proposed modulation scheme is confirmed through the experiments. From a dual-parallel modulation experiment at 8GHz, a reduction of 23dB in IMD3 and the following increase of linear dynamic rage of 19.6dB are achieved compared to those of a single EML operation.

Original languageEnglish
Pages (from-to)58-67
Number of pages10
JournalProceedings of SPIE - The International Society for Optical Engineering
Publication statusPublished - 2001 Dec 1
EventPassive Components and Transmission Systems - Beijing, China
Duration: 2001 Nov 122001 Nov 15


All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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