Photon number squeezing of ultrabroadband laser pulses generated by microstructure fibers

Kenichi Hirosawa, Hiroto Furumochi, Atsushi Tada, Fumihiko Kannari, Masahiro Takeoka, Masahide Sasaki

Research output: Contribution to journalArticle

20 Citations (Scopus)


To the best of our knowledge, we demonstrate for the first time the generation of photon number squeezing by spectral filtering for ultrabroadband light generated by microstructure fibers at 800 nm. A maximum squeezing of 4.6 dB is observed, corresponding to 10.3 dB after correcting for detection losses. We numerically analyzed the quantum dynamics of ultrashort laser pulse propagation through optical fibers by solving a nonlinear quantum Schrödinger equation that included Raman scattering, especially for the quantum correlation of photon number fluctuation among frequency modes in broadband pulses.

Original languageEnglish
JournalPhysical review letters
Issue number20
Publication statusPublished - 2005 May 27


ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this