On-chip OPOs

Witzens, Jeremy; Baehr-Jones, Thomas; Hochberg, Michael

doi:10.1038/nphoton.2009.243

Silicon photonics

On-chip OPOs

News & Views
Published: January 2010

Volume 4, pages 10–12, (2010)
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Jeremy Witzens¹,
Thomas Baehr-Jones¹ &
Michael Hochberg¹

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Optical parametric oscillators (OPOs) have now been realized in a CMOS-style process by exploiting nonlinear four-wave mixing. Such multiwavelength sources bring the prospect of ultrafast chip-to-chip optical data communications a step closer.

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**Figure 1: Frequency comb generation in a ring resonator (from Levy *et al*.).**

**Figure 2: Spectra reported by Razzari *et al*.⁵ and Levy *et al*.⁴ in this issue.**

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Authors and Affiliations

Jeremy Witzens, Thomas Baehr-Jones and Michael Hochberg are from University of Washington, Seattle 98195-2000, USA.,
Jeremy Witzens, Thomas Baehr-Jones & Michael Hochberg

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