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;heoretical analysis for optomechanical all-optical transistor

Frontiers of Optoelectronics 2016年第3期9卷 406-411页

作者： Mengying HE Shasha LIAO Li LIU Jianji DONG Wuhan National Laboratory for Optoelectronics Huazhong University of Science and Technology Wuhan 430074 China

In this paper, we propose an on-chip all optical transistor driven by optical gradient force. The transistor consists of a single micro-ring resonator, half of which is suspended from the substrate, and a bus waveguide. The free-standing arc is bent by optical gradient force generated when the control light is coupled into the ring. The output power of the probe light is tuned continuously as the transmission spectrum red-shift due to the displacement of the free-standing arc. The transistor shows three working regions known as cutoff region, amplified region and saturate region, and the characteristic curve is tunable by changing the wavelength of the control light. Potential applications of the all optical transistor include waveform regeneration and other optical computing.

关键词： silicon photonics optical gradient force optical transistor

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Monolayer-molybdenum-disulfide-based nano-optomechanical transistor and tunable nonlinear responses

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Journal of Semiconductors 2016年第11期37卷 43-49页

作者：陈华俊陈昌兆李洋方贤文 School of Science Anhui University of Science and Technology

Atomically thin two-dimensional semiconductor nanomaterials have attained considerable attention currently. Here, we present a nano-optomechanical system based on a suspended monolayer molybdenum disulfide （MoS2）. The linear and nonlinear coherent optical properties of this system, and the phenomenon ofphonon-induced transparency are demonstrated. The transmission of the probe field can be manipulated by the power of a second ‘gating＇（pump） field, which indicates a promising candidate for an optical transistor. We further study the nonlinear effect of the system, and the optical Kerr effect of the monolayer MoS2 resonator can be regulated under different parameter regimes. This scheme proposed here may indicate potential chip-scale applications of monolayer MoS2 resonator in quantum information with the currently popular pump-probe technology.

关键词： MoS2 nanomechanical resonator optical transistor nonlinear optical effect

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Manipulation of Coherent optical Propagation Based on Monolayer MoS2 Resonator

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Photonic Sensors 2019年第4期9卷 317-326页

作者： Huajun CHEN School of Mechanics and Photoelectric Physics Anhui University of Science and TechnologyHuainan 232001China

Atomically thin two-dimensional semiconductor nanomaterials have attained considerable attention *** here theoretically investigate the phenomena of slow and superluminal light based on the MoS2 resonator system driven by two-tone *** and ultraslow probe light without absorption can be obtained via manipulating the pump laser on-and off-resonant with the exciton frequency under different parameters regimes,respectively,of which the magnitude is larger than that in a carbon nanotube *** bandwidth of the probe spectrum determined by the quality factor Q of MoS2 resonator is also ***,we also demonstrate the phenomenon of phonon induced transparency and show an optical transistor in the *** all-optical device based on MoS2 resonator may indicate potential chip-scale applications in quantum information with the currently popular pump-probe technology.

关键词： MoS2 nanomechanical resonator fast and slow light optical transistor

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