Mode-locking based on zero-area pulse formation in a laser with a coherent absorber

Ростислав Михайлович Архипов, Михаил Викторович Архипов, Александр Анатольевич Шимко, Алексей Андреевич Калиничев, I. Babushkin, A. Demircan, U. Morgner, N.N. Rosanov

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We experimentally observe mode-locking in a continuous narrowband tunable dye laser with molecular iodine absorber cells, whose transitions have long phase relaxation time T 2. We show that mode-locking arises due to the coherent interaction of light with the absorbing medium leading to Rabi oscillations, so that zero-area () pulses in the absorber are formed. Such mode-locking regimes are different from most typical passive mode-locking mechanisms where saturation plays a major role.

Original languageEnglish
Article number075003
JournalLaser Physics Letters
Issue number7
StatePublished - Jul 2018

Scopus subject areas

  • Instrumentation
  • Physics and Astronomy (miscellaneous)


  • Rabi oscillations
  • coherent optical effects
  • mode-locking
  • on pulses
  • self-induced transparency
  • ultra-short pulses


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