Femtosecond erbium-doped fiber lasers and a soliton compression technique

Eiji Yoshida, Yasuo Kimtjra, Masataka Nakazawa

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


The lasing characteristics of an erbium-doped fiber laser with a nonlinear amplifying loop mirror (NALM) were investigated in detail. The NALM was pumped by 1.48/im InGaAsP laser diodes and an output pulse as short as 124 fs was obtained at 1.56//m. The 124-fs pulse was shortened to 50 fs by using adiabatic soliton narrowing and high order soliton compression. Soliton narrowing was achieved by amplifying the soliton pulse adiabatically with an erbium-doped fiber amplifier, and a short length of dispersion-flattened fiber was used for soliton compression. Soliton narrowing enabled us to succeed in generating a 98-fs pulse directly from a modified erbium-doped fiber laser.

Original languageEnglish
Pages (from-to)3461
Number of pages1
JournalJapanese Journal of Applied Physics
Issue number8 R
Publication statusPublished - 1993 Aug


  • Erbium-doped fiber
  • Femtosecond pulse
  • Fiber laser
  • Nonlinear amplifying loop mirror
  • Optical soliton


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