Photonics Research, 2020, 8 (7): 07001189, Published Online: Jun. 22, 2020  

All-optical PtSe2 silicon photonic modulator with ultra-high stability Download: 821次

Author Affiliations
1 Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
2 Institute of Microscale Optoelectronics, Collaborative Innovation Centre for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen Key Laboratory of Micro-Nano Photonic Information Technology, Guangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen University, Shenzhen 518060, China
3 e-mail: jjdong@mail.hust.edu.cn
4 e-mail: hzhang@szu.edu.cn
Abstract
All-optical modulation based on the photothermal effect of two-dimensional (2D) materials shows great promise for all-optical signal processing and communication. In this work, an all-optical modulator with a 2D PtSe2-on-silicon structure based on a microring resonator is proposed and demonstrated utilizing the photothermal effect of PtSe2. A tuning efficiency of 0.0040 nm · mW?1 is achieved, and the 10%–90% rise and decay times are 304 μs and 284 μs, respectively. The fabricated device exhibits a long-term air stability of more than 3 months. The experimental results prove that 2D PtSe2 has great potential for optical modulation on a silicon photonic platform.

Kangkang Wei, Delong Li, Zhitao Lin, Zhao Cheng, Yuhan Yao, Jia Guo, Yunzheng Wang, Yupeng Zhang, Jianji Dong, Han Zhang, Xinliang Zhang. All-optical PtSe2 silicon photonic modulator with ultra-high stability[J]. Photonics Research, 2020, 8(7): 07001189.

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