Optical micro-cavities on silicon

Daoxin Dai; Erhu Liu; Ying Tan

doi:10.1117/12.2288580

12 January 2018 Optical micro-cavities on silicon

Daoxin Dai, Erhu Liu, Ying Tan

Proceedings Volume 10622, 2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices; 1062203 (2018) https://doi.org/10.1117/12.2288580
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Silicon-based optical microcavities are very popular for many applications because of the ultra-compact footprint, easy scalability, and functional versatility. In this paper we give a discussion about the challenges of the optical microcavities on silicon and also give a review of our recent work, including the following parts. First, a near-“perfect” high-order MRR optical filter with a box-like filtering response is realized by introducing bent directional couplers to have sufficient coupling between the access waveguide and the microrings. Second, an efficient thermally-tunable MRR-based optical filter with graphene transparent nano-heater is realized by introducing transparent graphene nanoheaters. Thirdly, a polarization-selective microring-based optical filter is realized to work with resonances for only one of TE and TM polarizations for the first time. Finally, a on-chip reconfigurable optical add-drop multiplexer for hybrid mode- /wavelength-division-multiplexing systems is realized for the first time by monolithically integrating a mode demultiplexer, four MRR optical switches, and a mode multiplexer.

Citation Download Citation

Daoxin Dai, Erhu Liu, and Ying Tan "Optical micro-cavities on silicon", Proc. SPIE 10622, 2017 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1062203 (12 January 2018); https://doi.org/10.1117/12.2288580

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