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Authors: J. Zhang, A. De Groote, A. Abbasi, R. Loi, J. O'Callaghan, B.Corbett, A. Jose Trindade, C. A. Bower, G. Roelkens
Title: A Silicon Photonics Fiber-To-The-Home Transceiver Array based on Transfer-Printing-Based Integration of III-V Photodetectors
Format: International Journal
Publication date: 4/2017
Journal/Conference/Book: Optics Express
Volume(Issue): 25(13) p.14290-14299
Location: United States

Abstract

A 4-channel silicon photonics transceiver array for Point-to-Point (P2P) fiber-to-the-home (FTTH) optical networks at the central office (CO) side is demonstrated. A III-V O band photodetector array was integrated onto the silicon photonic transmitter through transfer printing technology, showing a polarization-independent responsivity of 0.39 - 0.49 A/W in the O band. The integrated PDs (30×40 μm2 mesa) have a 3 dB bandwidth of 11.5 GHz at -3 V bias. Together with high-speed C band silicon ring modulators whose bandwidth is up to 15 GHz, operation of the transceiver array at 10 Gbit/s is demonstrated. The use of transfer printing for the integration of the III-V photodetectors allows for an efficient use of III-V material and enables the scalable integration of III-V devices on silicon photonics wafers, thereby reducing their cost.

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