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Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators
Liu, Mulong1,2; Wang, Leiran1,2; Sun, Qibing1; Li, Siqi1,2; Ge, Zhiqiang1,2; Lu, Zhizhou1,2; Wang, Weiqiang1,2; Wang, Guoxi1,2; Zhang, Wenfu1,2; Hu, Xiaohong1; Zhao, Wei1,2; Wang, LR (reprint author), Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China.
作者部门瞬态光学技术国家重点实验室
2018-04-01
发表期刊PHOTONICS RESEARCH
ISSN2327-9125
卷号6期号:4页码:238-243
产权排序1
摘要

We investigate frequency-comb generation in normal dispersion silicon microresonators from the near-infrared to mid-infrared wavelength range in the presence of multiphoton absorption and free-carrier effects. It is found that parametric oscillation is inhibited in the telecom wavelength range resulting from strong two-photon absorption. On the contrary, beyond the wavelength of 2200 nm, where three-and four-photon absorption are less detrimental, a comb can be generated with moderate pump power, or free-carriers are swept out by a positive-intrinsic-negative structure. In the temporal domain, the generated combs correspond to flat-top pulses, and the pulse duration can be easily controlled by varying the laser detuning. The reported comb generation process shows a high conversion efficiency compared with anomalous dispersion regime, which can guide and promote comb formation in materials with normal dispersion. As the comb spectra cover the mid-infrared wavelength range, they can find applications in comb-based radiofrequency photonic filters and mid-infrared spectroscopy. (c) 2018 Chinese Laser Press

文章类型Article
学科领域Optics
WOS标题词Science & Technology ; Physical Sciences
DOI10.1364/PRJ.6.000238
收录类别SCI ; EI
关键词[WOS]NONLINEAR ABSORPTION ; MICRORING RESONATOR ; WAVE-GUIDES ; KERR COMBS ; MU-M ; SOLITON ; GREEN
语种英语
WOS研究方向Optics
项目资助者National Natural Science Foundation of China (NSFC)(61635013 ; Strategic Priority Research Program of the Chinese Academy of Sciences (CAS)(XDB24030600) ; 61675231 ; 61475188 ; 61705257)
WOS类目Optics
WOS记录号WOS:000428961400007
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30034
专题瞬态光学技术国家重点实验室
通讯作者Wang, LR (reprint author), Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China.
作者单位1.Chinese Acad Sci, XIOPM, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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GB/T 7714
Liu, Mulong,Wang, Leiran,Sun, Qibing,et al. Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators[J]. PHOTONICS RESEARCH,2018,6(4):238-243.
APA Liu, Mulong.,Wang, Leiran.,Sun, Qibing.,Li, Siqi.,Ge, Zhiqiang.,...&Wang, LR .(2018).Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators.PHOTONICS RESEARCH,6(4),238-243.
MLA Liu, Mulong,et al."Influences of multiphoton absorption and free-carrier effects on frequency-comb generation in normal dispersion silicon microresonators".PHOTONICS RESEARCH 6.4(2018):238-243.
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