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A Molecularly Modulated Mode-Locked Laser.

ABSTRACT: A mode-locked laser operating at a frequency over 10?THz is reported, which is three orders of magnitude greater than a standard mode-locked laser. The system used molecules with a Raman gain as an amplifier, while coherent molecular motions were used for optical modulation. Molecules in a high-finesse optical cavity modulated a continuous-wave beam to produce a train of ultrashort optical pulses at a repetition rate corresponding to the frequency of molecular motion. Phase-locking was achieved by an appropriate compensation of the total dispersion of the optical cavity. Thus, the oscillating multiple longitudinal modes were all coupled under phase-matching conditions of parametric four-wave mixing.

SUBMITTER: Zaitsu SI 

PROVIDER: S-EPMC6093895 | biostudies-other | 2018 Aug

REPOSITORIES: biostudies-other

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A Molecularly Modulated Mode-Locked Laser.

Zaitsu Shin-Ichi SI   Tsuchiya Takao T  

Scientific reports 20180815 1

A mode-locked laser operating at a frequency over 10 THz is reported, which is three orders of magnitude greater than a standard mode-locked laser. The system used molecules with a Raman gain as an amplifier, while coherent molecular motions were used for optical modulation. Molecules in a high-finesse optical cavity modulated a continuous-wave beam to produce a train of ultrashort optical pulses at a repetition rate corresponding to the frequency of molecular motion. Phase-locking was achieved  ...[more]