Dispersion engineered Ge11.5As24Se64.5 nanowires with a nonlinear parameter of 136W-1m-1 at 1550nm

Xin Gai*, Steve Madden, Duk Yong Choi, Douglas Bulla, Barry Luther-Davies

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    89 Citations (Scopus)

    Abstract

    We have fabricated 630 × 500nm nanowires from Ge 11.5As24Se64.5 chalcogenide glass by electron beam lithography (EBL) and inductively coupled plasma (ICP) etching. The loss of the nanowire was measured to be 2.6dB/cm for the fundamental TM mode. The nonlinear coefficient (γ) was determined to be ≈136 ± 7W -1m-1 at 1550nm by both CW four-wave-mixing (FWM) and modeling. Supercontinuum (SC) was produced in an 18mm long nanowire pumped by 1ps pulses with peak power of 25W.

    Original languageEnglish
    Pages (from-to)18866-18874
    Number of pages9
    JournalOptics Express
    Volume18
    Issue number18
    DOIs
    Publication statusPublished - 30 Aug 2010

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