Silicon racetrack resonator based on nonlinear material Mohammad Mehdi Ariannejad, Elnaz Akbari, Pui Yee Thong, Masih Ghasemi, Arash Dehzangi and Harith Ahmad Eur. Phys. J. D, 73 8 (2019) 176 Published online: 16 August 2019 DOI: 10.1140/epjd/e2019-100025-2