All-optical signal processing typically relies on nonlinear effects in optical waveguides and devices, but a number of advanced functionalities can be performed entirely linearly by implementing advanced optical filtering functions. In particular, we have investigated how silicon micro-ring resonators (MRRs) can be used to implement a variety of signal processing functionalities, including multi-channel and ultra-high speed modulation format conversion, multi-channel demodulation of phase modulated signals, signal conditioning and waveform generation.
Polarization diversity circuit with a single micro-ring resonator and two identical polarization splitters and rotators.
We work on the following topics:
- Ultra-high speed non-return-to zero signal generation
- Modulation speed enhancement of directly modulated lasers
- Polarization-independent processing
Relevant NATEC papers:
H. C. Hansen Mulvad, L. K. Oxenløwe, M. Galili, A. T. Clausen, L. Grüner-Nielsen, and P. Jeppesen, “1.28 Tbit/s single-polarisation serial OOK optical data generation and demultiplexing”, Electronics Letters 45, 280–281 (2009).
Y. Ding, C. Peucheret, M. Pu, B. Zsigri, J. Seoane, L. Liu, J. Xu, H. Ou, X. Zhang, and D. Huang, “Multi-channel WDM RZ-to-NRZ format conversion at 50 Gbit/s based on single silicon microring resonator”, Optics Express 18, 21121–21130 (2010).
Y. Ding, H. Hu, M. Galili, J. Xu, L. Liu, H. C. H. M. Pu and, L. K. Oxenløwe, C. Peucheret, P. Jeppesen, X. Zhang, D. Huang, and H. Ou, “Generation of a 640 Gbit/s NRZ OTDM signal using a silicon microring resonator”, Optics Express 19, 6471–6477 (2011).
Y. Ding, L. Liu, C. Peucheret, J. Xu, H. Ou, K. Yvind, X. Zhang, and D. Huang, “Towards polarization diversity on the SOI platform with simple fabrication process”, IEEE Photonics Technology Letters 23, 1808–1810 (2011).
Y. Ding, J. Xu, C. Peucheret, M. Pu, L. Liu, J. Seoane, H. Ou, X. Zhang, and D. Huang, “Multi-channel 40 Gbit/s NRZ-DPSK demodulation using a single silicon microring resonator”, Journal of Lightwave Technology 29, 677–684 (2011).
M. Xiong, O. Ozolins, Y. Ding, B. Huang, Y. An, H. Ou, C. Peucheret, and X. Zhang, “Simultaneous RZ-OOK to NRZ-OOK and RZ-DPSK to NRZDPSK format conversion in a silicon microring resonator”, Optics Express 20, 27263–27272 (2012).
Y. Ding, L. Liu, C. Peucheret, and H. Ou, “Fabrication tolerant polarization splitter and rotator based on a tapered directional coupler”, Optics Express 20, 20021–20027 (2012).
Y. An, A. Lorences Riesgo, J. Seoane, Y. Ding, H. Ou, and C. Peucheret, “Modulation speed enhancement of directly modulated lasers using a microring resonator”, in IEEE Optical Interconnects Conference, paper TuB2 (May 2012).
Y. Ding, H. Ou, and C. Peucheret, “Wideband polarization splitter and rotator with large fabrication tolerance and simple fabrication process”, Optics Letters 38, 1227–1229 (2013).
Y. Ding, B. Huang, H. Ou, F. Da Ros, and C. Peucheret, “Polarization diversity DPSK demodulator on the silicon-on-insulator platform with simple fabrication”, Optics Express 21, 7828–7834 (2013).
B. Huang, Y. Ding, H. Ou, and C. Peucheret, “Simultaneous polarization de-multiplexing and demodulation of PolMux-DPSK signals in a silicon chip”, in IEEE photonics conference, paper TuG3.4 (Sept. 2013).
Y. Ding, B. Huang, C. Peucheret, J. Xu, H. Ou, X. Zhang, and D. Huang, “Ultra-wide band signal generation using a coupling-tunable silicon microring resonator”, Optics Express 22, 6078–6085 (2014).