Modelocking and femtosecond pulse generation in chip-based frequency combs

被引:199
作者
Saha, Kasturi [1 ]
Okawachi, Yoshitomo [1 ]
Shim, Bonggu [1 ]
Levy, Jacob S. [2 ]
Salem, Reza [3 ]
Johnson, Adrea R. [1 ]
Foster, Mark A. [1 ]
Lamont, Michael R. E. [1 ,2 ,4 ]
Lipson, Michal [2 ,4 ]
Gaeta, Alexander L. [1 ,4 ]
机构
[1] Cornell Univ, Sch Appl & Engn Phys, Ithaca, NY 14853 USA
[2] Cornell Univ, Sch Elect & Comp Engn, Ithaca, NY 14853 USA
[3] PicoLuz LLC, Jessup, MD 20794 USA
[4] Cornell Univ, Kavli Inst Cornell Nanoscale Sci, Ithaca, NY 14853 USA
基金
美国国家科学基金会;
关键词
LASER;
D O I
10.1364/OE.21.001335
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We investigate simultaneously the temporal and optical and radio-frequency spectral properties of parametric frequency combs generated in silicon-nitride microresonators and observe that the system undergoes a transition to a mode-locked state. We demonstrate the generation of sub-200-fs pulses at a repetition rate of 99 GHz. Our calculations show that pulse generation in this system is consistent with soliton modelocking. Ultimately, such parametric devices offer the potential of producing ultra-short laser pulses from the visible to mid-infrared regime at repetition rates from GHz to THz. (C) 2013 Optical Society of America
引用
收藏
页码:1335 / 1343
页数:9
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