Continuously tunable delay line based on SOI tapered Bragg gratings

Optics Express
Ivano GiuntoniKlaus Petermann

Abstract

The realization of an integrated delay line using tapered Bragg gratings in a drop-filter configuration is presented. The device is fabricated on silicon-on-insulator (SOI) rib waveguides using a Deep-UV 248 nm lithography. The continuous delay tunability is achieved using the thermo-optical effect, showing experimentally that a tuning range of 450 ps can be obtained with a tuning coefficient of -51 ps/°C. Furthermore the system performance is considered, showing that an operation at a bit rate of 25 Gbit/s can be achieved, and could be extended to 80 Gbit/s with the addition of a proper dispersion compensation.

References

Jun 12, 2008·Optics Express·Francesco MorichettiMario Martinelli
Apr 8, 2010·Optics Express·Ivano GiuntoniKlaus Petermann
Jul 1, 2011·Optics Express·Saeed KhanSasan Fathpour

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Citations

Jul 28, 2016·Scientific Reports·Junjia WangLawrence R Chen
Aug 31, 2019·Micromachines·Charalambos KlitisMichael J Strain
Aug 17, 2020·Optics Letters·Saket Kaushal, José Azaña
Oct 10, 2013·Optics Express·Chao Wang, Jianping Yao
May 6, 2019·Optics Express·Dapeng LiuMing Li
Oct 10, 2013·Optics Express·Saeed Khan, Sasan Fathpour
Oct 24, 2013·Optics Express·Maurizio BurlaJosé Azaña
Dec 25, 2015·Optics Express·Mohammed Shafiqul HaiOdile Liboiron-Ladouceur

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