Linearity enhancement of an electroabsorption modulated laser by dual-parallel modulation

Jung, Han Young; Jeon, Duk-Ho; Han, Sang-Kook

doi:10.1109/68.992578

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Compensation of intermodulation distortion of laser diode by using optoelectronically predistorted signals

Choi

Lee

Kwon

et al. 2006

Micro & Optical Tech Letters

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We have experimentally demonstrated the predistortion scheme for linearization of a laser diode which transmits 1.2‐ and 1.25‐GHz RF signal over single‐mode fiber. The suppression of intermodulation distortion was achieved by using an additional laser diode to realize the predistorted signals. We have shown a 22.5‐dB reduction of the 3rd‐order intermodulation distortion and an 11‐dB improvement in the spurious‐free dynamic range. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 1144–1148, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21566

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