Multimode four-wave mixing in an unresolved sideband optomechanical system

被引：14
作者：
Li, Zongyang [1 ,2 ]
You, Xiang [1 ,2 ]
Li, Yongmin [1 ,2 ]
Liu, Yong-Chun [3 ,4 ,5 ]
Peng, Kunchi [1 ,2 ]
机构：
[1] Shanxi Univ, Inst Optoelect, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Shanxi, Peoples R China
[2] Shanxi Univ, Collaborat Innovat Ctr Extreme Opt, Taiyuan 030006, Shanxi, Peoples R China
[3] Tsinghua Univ, State Key Lab Low Dimens Quantum Phys, Beijing 100084, Peoples R China
[4] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
[5] Collaborat Innovat Ctr Quantum Matter, Beijing 100084, Peoples R China
来源：
PHYSICAL REVIEW A | 2018年 / 97卷 / 03期
基金：
美国国家科学基金会;
关键词：
INDUCED TRANSPARENCY; NANOMECHANICAL RESONATORS; FREQUENCY COMB; CAVITY; OSCILLATOR; MICROWAVE; MEMBRANE; MODES; NOISE; LIGHT;
D O I：
10.1103/PhysRevA.97.033806
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have studied multimode four-wavemixing (FWM) in an unresolved sideband cavity optomechanical system. The radiation pressure coupling between the cavity fields and multiple mechanical modes results in the formation of a series of tripod-type energy-level systems, which induce the multimode FWM phenomenon. The FWM mechanism enables remarkable amplification of a weak signal field accompanied by the generation of an FWM field when only a microwatt-level pump field is applied. For proper system parameters, the amplified signal and FWM fields have equal intensity with opposite phases. The gain and frequency response bandwidth of the signal field can be dynamically tuned by varying the pump intensity, optomechanical coupling strength, and additional feedback control. Under certain conditions, the frequency response bandwidth can be very narrow and reaches the level of hertz.
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页数：6
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