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Imec demos 25Gb/s silicon photonics devices

Posted: 10 Oct 2013     Print Version  Bookmark and Share

Keywords:silicon photonic  Mach-Zhender  micro-ring modulator  waveguide photodiode 

Imec has unveiled its fully integrated silicon photonics platform (iSiPP25G) for high-performance optical transceivers (25Gb/s and beyond). The portfolio includes low loss (2.5dB/cm) strip waveguides, highly efficient grating couplers (2.5dB insertion loss), high-speed (50GHz) Germanium waveguide photodiodes, 25Gb/s Mach-Zhender and micro-ring modulators.

"Imec's silicon photonics platform provides 25Gb/s performance for integrated photonics circuits for telecom and datacom industries. Companies can benefit from our silicon photonics capability through established standard cells, or explore the functionality of their own designs in multi-project wafer (MPW) runs," stated Philippe Absil, programme director at Imec. "Through our MPW offer, fabless R&D teams can access a cost-efficient silicon photonics solution, with state-of-the-art performance, design flexibility and superior CD and thickness control".

Imec and its associated laboratory at Ghent University offer the platform for passive silicon photonic components via ePIXfab and Europractice IC service. Imec extends its silicon photonics offering, using a standard 130nm CMOS toolset, with active components such as high-speed optical modulators and integrated germanium photo-detectors.

Imec's silicon photonics 25Gb/s (iSiPP25G) platform supports 3-level patterning of 220nm top Si layer (193nm optical lithography), low loss (2.5dB/cm) strip waveguides and high efficiency grating couplers (2.5dB insertion loss). It also features 50GHz Ge photodiode (responsivity ~ 0.5A/W, dark current < 50nA), 25Gb/s MZI and MRR modulators, and thermo-optic tuner.

The first run is open for registration, with tape-in on 8th of November 2013 and first wafers out in June 2014. Support, registration and design kit access will be organised by Imec's services via its Europractice IC service, in collaboration with world-wide MPW partners.

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