Spoof four-wave mixing for all-optical wavelength conversion

Gong, Yongkang, Huang, Jungang, Li, Kang, Copner, Nigel, Martinez, J. J., Wang, Leirang, Duan, Tao, Zhang, Wenfu and Loh, W. H. 2012. Spoof four-wave mixing for all-optical wavelength conversion. Optics Express 20 (21) , pp. 24030-24037. 10.1364/OE.20.024030

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Abstract

We present for the first time an all-optical wavelength conversion (AOWC) scheme supporting modulation format independency without requiring phase matching. The new scheme is named “spoof” four wave mixing (SFWM) and in contrast to the well-known FWM theory, where the induced dynamic refractive index grating modulates photons to create a wave at a new frequency, the SFWM is different in that the dynamic refractive index grating is generated in a nonlinear Bragg Grating (BG) to excite additional reflective peaks at either side of the original BG bandgap in reflection spectrum. This fundamental difference enable the SFWM to avoid the intrinsic shortcoming of stringent phase matching required in the conventional FWM, and allows AOWC with modulation format transparency and ultrabroad conversion range, which may have great potential applications for next generation of all-optical networks.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	Optical Society of America
ISSN:	1094-4087
Date of Acceptance:	27 September 2012
Last Modified:	05 Aug 2022 01:46
URI:	https://orca.cardiff.ac.uk/id/eprint/119604

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