All-optically tunable waveform synthesis by a silicon nanowaveguide ring resonator coupled with a photonic-crystal fiber frequency shifter

Aleksandr D. Savvin, Vasily Melnikov, Il'ya V. Fedotov, Andrei B. Fedotov, Tatiana S. Perova, Aleksei M. Zheltikov

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A silicon nanowaveguide ring resonator is combined with a photonic-crystal fiber (PCF) frequency shifter to demonstrate an all-optically tunable synthesis of ultrashort pulse trains, modulated by ultrafast photoinduced free-carrier generation in the silicon resonator. Pump-probe measurements performed with a 50-fs, 625-nm second-harmonic output of a Cr:forsterite laser, used as a carrier-injecting pump, and a 1.50-1.56-μm frequency-tunable 100-fs soliton output of a photonic-crystal fiber, serving as a probe, resolve tunable ultrafast oscillatory features in the silicon nanowaveguide resonator response. © 2010 Elsevier B.V. All rights reserved.
Original languageEnglish (US)
Pages (from-to)1652-1655
Number of pages4
JournalOptics Communications
Volume284
Issue number6
DOIs
StatePublished - Mar 2011

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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