4.6 Article

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

Journal

OPTICS EXPRESS
Volume 18, Issue 18, Pages 18866-18874

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.18.018866

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Funding

  1. Australian Research Council through its Centres of Excellence
  2. Grants-in-Aid for Scientific Research [21246014] Funding Source: KAKEN

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We have fabricated 630 x 500nm nanowires from Ge11.5As24Se64.5 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 (gamma) was determined to be approximate to 136 +/- 7W(-1)m(-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. (C) 2010 Optical Society of America

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