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Conferences > OFC > 1993 > ThD > ThD4
  • Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication
  • 1993 OSA Technical Digest Series (Optica Publishing Group, 1993),
  • paper ThD4
  • •https://doi.org/10.1364/OFC.1993.ThD4

Cancellation of the second-order distortion of a directly modulated laser in an erbium-doped-fiber amplifier

Jun Ohya, Hisanao Sato, and Toshihiro Fujita

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Abstract

In analog AM-FDM and FM-FDM optical video distribution systems, intermodulation distortion can severely impair the system performance. Although erbium-doped-fiber amplifiers (EDFA’s) are attractive for such systems, it was reported that second-order distortion is caused by the interaction between the frequency chirping of the directly modulated DFB laser and the wavelength-dependent gain of the EDFA.1,2 On the other hand, we showed by rate-equation analysis that the distortion generated in EDFA can cancel the distortion of a laser diode.3

© 1993 Optical Society of America

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