期刊
OPTICS EXPRESS
卷 29, 期 22, 页码 36167-36179出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.438227
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资金
- Ministry of Science and Technology of the People's Republic of China [2021YFE0193500]
- National Natural Science Foundation of China [11874099]
This paper proposes a scheme to enhance photon nonlinearity by utilizing optomechanical and spin-mechanical interactions, deriving an effective Hamiltonian and investigating its potential applications. The results show that adjusting classical pumping or enhancing spin-mechanical coupling strength can increase nonlinearity, providing potential usage in photon blockade.
The nonlinear optomechanical coupling is an attracting characteristic in the field of optomechanics. However, the strength of single photon optomechanical coupling is still within weak coupling regime. Using the optomechanical coupling to achieve strong nonlinear interaction between photons is still a challenge. In this paper, we propose a scheme by employing optomechanical and spin-mechanical interactions to enhance the nonlinearity of photons. An effective Hamiltonian is derived, which shows that the self-Kerr and cross-Kerr nonlinearity strengths can be enhanced by adjusting the classical pumping or enhancing the spin-mechanical coupling strength. In addition, we investigate the potential usage of the nonlinearity in the photon blockade. We demonstrate that the single and two photon blockades can occur in two super modes. (C) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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