20 February 2017 All-optical switch with 1 ps response time enabled by graphene oxide infiltrated subwavelength grating waveguide
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Proceedings Volume 10108, Silicon Photonics XII; 1010805 (2017) https://doi.org/10.1117/12.2252640
Event: SPIE OPTO, 2017, San Francisco, California, United States
Abstract
In this paper, we propose and demonstrate an all-optical switch using graphene oxide infiltrated subwavelength grating waveguide. Benefiting from the extremely large Kerr coefficient of graphene oxide (four orders of magnitude larger than conventional materials) and large mode volume overlap factor of the subwavelength grating waveguide (4~10 times larger than conventional strip waveguides), the switch is capable of achieving THz speed with less than 1 fJ energy consumption per bit, which is more than three orders of magnitude smaller than THz switches reported so far.
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Xiaochuan Xu, Zeyu Pan, Baohua Jia, Yaguo Wang, Ray T. Chen, "All-optical switch with 1 ps response time enabled by graphene oxide infiltrated subwavelength grating waveguide", Proc. SPIE 10108, Silicon Photonics XII, 1010805 (20 February 2017); doi: 10.1117/12.2252640; https://doi.org/10.1117/12.2252640
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