Broadband wavelength conversion at 40 Gb/s using long serpentine As 2S3 planar waveguides

Vahid G. Ta'eed; Mark D. Pelusi; Benjamin J. Eggleton; Duk Yong Choi; Steve Madden; Douglas Bulla; Barry Luther-Davies

doi:10.1364/OE.15.015047

Broadband wavelength conversion at 40 Gb/s using long serpentine As ₂S₃ planar waveguides

Vahid G. Ta'eed^*, Mark D. Pelusi, Benjamin J. Eggleton, Duk Yong Choi, Steve Madden, Douglas Bulla, Barry Luther-Davies

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

40 Citations (Scopus)

Abstract

We demonstrate broadband wavelength conversion of a 40 Gb/s return-to-zero signal by cross-phase modulation in a newly developed chalcogenide glass waveguide based photonic chip. These new serpentine As2S3 waveguides offer a nonlinear coefficient ≈1700 W^-1km^-1 with 5× lower propagation loss over a length of 22.5 cm which ensures the full propagation length contributes towards the nonlinear process. This reduces the peak operating power thereby allowing a ×4 increase in the data rate compared with previous results. Spectral measurements show the device operates over a span of 40 nm while system measurements show just over 1 dB of power penalty at a bit-error rate of 10^-9. This is primarily due to the compact planar waveguide design which minimizes the effect of group-velocity dispersion.

Original language	English
Pages (from-to)	15047-15052
Number of pages	6
Journal	Optics Express
Volume	15
Issue number	23
DOIs	https://doi.org/10.1364/OE.15.015047
Publication status	Published - 12 Nov 2007

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abstract = "We demonstrate broadband wavelength conversion of a 40 Gb/s return-to-zero signal by cross-phase modulation in a newly developed chalcogenide glass waveguide based photonic chip. These new serpentine As2S3 waveguides offer a nonlinear coefficient ≈1700 W-1km-1 with 5× lower propagation loss over a length of 22.5 cm which ensures the full propagation length contributes towards the nonlinear process. This reduces the peak operating power thereby allowing a ×4 increase in the data rate compared with previous results. Spectral measurements show the device operates over a span of 40 nm while system measurements show just over 1 dB of power penalty at a bit-error rate of 10-9. This is primarily due to the compact planar waveguide design which minimizes the effect of group-velocity dispersion.",

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AU - Ta'eed, Vahid G.

AU - Pelusi, Mark D.

AU - Eggleton, Benjamin J.

AU - Choi, Duk Yong

AU - Madden, Steve

AU - Bulla, Douglas

AU - Luther-Davies, Barry

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AB - We demonstrate broadband wavelength conversion of a 40 Gb/s return-to-zero signal by cross-phase modulation in a newly developed chalcogenide glass waveguide based photonic chip. These new serpentine As2S3 waveguides offer a nonlinear coefficient ≈1700 W-1km-1 with 5× lower propagation loss over a length of 22.5 cm which ensures the full propagation length contributes towards the nonlinear process. This reduces the peak operating power thereby allowing a ×4 increase in the data rate compared with previous results. Spectral measurements show the device operates over a span of 40 nm while system measurements show just over 1 dB of power penalty at a bit-error rate of 10-9. This is primarily due to the compact planar waveguide design which minimizes the effect of group-velocity dispersion.

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Broadband wavelength conversion at 40 Gb/s using long serpentine As ₂S₃ planar waveguides

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