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Efficient wide-band and tunable midspan spectral inverter using cascaded nonlinearities in LiNbO<inf>3</inf> waveguides

  • M. H. Chou
  • , I. Brener
  • , G. Lenz
  • , R. Scotti
  • , E. E. Chaban
  • , J. Shmulovich
  • , D. Philen
  • , S. Kosinski
  • , K. R. Parameswaran
  • , M. M. Fejer

Research output: Contribution to journalArticlepeer-review

95 Scopus citations

Abstract

A midspan spectral inverter based on cascaded second-order nonlinearities in periodically-poled LiNbO3 waveguides is presented. The device has an external efficiency of -7 dB, has a conversion bandwidth of 70 nm, has negligible excess noise, and can be temperature tuned by more than 8 nm. The device was successfully used in the dispersion compensation of 4×10 Gb/s channels transmitted through 150 km of single-mode fiber. Currently, the device is sensitive to the input polarization. However, this can be resolved based on polarization diversity. The availability of a compact and integrable spectral inverter with almost unity efficiency will lead to the revision of the role of spectral inversion in optical networking.
Original languageEnglish
Pages (from-to)82-84
Number of pages3
JournalIEEE Photonics Technology Letters
Volume12
Issue number1
DOIs
StatePublished - Jan 1 2000
Externally publishedYes

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