Linear all-optical signal processing using silicon micro-ring resonators
| Yunhong DING1*,Haiyan OU1,Jing XU2,Meng XIONG1,Yi AN1,Hao HU1,Michael GALILI1,Abel Lorences RIESGO3*,Jorge SEOANE1,Kresten YVIND1,Leif Katsuo OXENLØWE1,Xinliang ZHANG2,Dexiu HUANG2*,Christophe PEUCHERET4* |
1. Department of Photonics Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
2. Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
3. Department of Microtechnology and Nanoscience, Chalmers University of Technology, Gothenburg, Sweden
4. FOTON Laboratory, CNRS UMR 6082, University of Rennes 1, ENSSAT, 22300 Lannion, France |
Abstract Silicon micro-ring resonators (MRRs) are compact and versatile devices whose periodic frequency response can be exploited for a wide range of applications. In this paper, we review our recent work on linear all-optical signal processing applications using silicon MRRs as passive filters. We focus on applications such as modulation format conversion, differential phase-shift keying (DPSK) demodulation, modulation speed enhancement of directly modulated lasers (DMLs), and monocycle pulse generation. The possibility to implement polarization diversity circuits, which reduce the polarization dependence of standard silicon MRRs, is illustrated on the particular example of DPSK demodulation.
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