Microresonator Kerr frequency combs with high conversion efficiency

Xiaoxiao Xue, Pei Hsun Wang, Yi Xuan, Minghao Qi, Andrew M. Weiner

研究成果: 雜誌貢獻期刊論文同行評審

167 引文 斯高帕斯(Scopus)


Microresonator-based Kerr frequency comb (microcomb) generation can potentially revolutionize a variety of applications ranging from telecommunications to optical frequency synthesis. However, phase-locked microcombs have generally had low conversion efficiency limited to a few percent. Here we report experimental results that achieve ∼ 30% conversion efficiency (∼ 200 on-chip comb power excluding the pump) in the fiber telecommunication band with broadband mode-locked dark-pulse combs. We present a general analysis on the efficiency which is applicable to any phase-locked microcomb state. The effective coupling condition for the pump as well as the duty cycle of localized time-domain structures play a key role in determining the conversion efficiency. Our observation of high efficiency comb states is relevant for applications such as optical communications which require high power per comb line. (Figure presented.).

期刊Laser and Photonics Reviews
出版狀態已出版 - 1 1月 2017


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