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| 1 | Advances in soliton microcomb generation显示文摘Optical frequency combs,a revolutionary light source characterized by discrete and equally spaced frequencies,are usually regarded as a cornerstone for advanced frequency metrology,precision spectroscopy,high-speed communication,distance ranging,molecule detection,and many others.Due to the rapid development of micro/nanofabrication technology,breakthroughs in the quality factor of microresonators enable ultrahigh energy buildup inside cavities,which gives birth to microcavity-based frequency combs.In particular,the full coherent spectrum of the soliton microcomb(SMC)provides a route to low-noise ultrashort pulses with a repetition rate over two orders of magnitude higher than that of traditional mode-locking approaches.This enables lower power consumption and cost for a wide range of applications.This review summarizes recent achievements in SMCs,including the basic theory and physical model,as well as experimental techniques for single-soliton generation and various extraordinary soliton states(soliton crystals,Stokes solitons,breathers,molecules,cavity solitons,and dark solitons),with a perspective on their potential applications and remaining challenges. | Weiqiang Wang Leiran Wang Wenfu Zhang | 2020 | Advanced Photonics2020，2，3： | 10 |
| 2 | 基于声光调制的线性扫频激光器显示文摘针对线性扫频激光器在扫频速度、步长、范围、精度和信噪比等方面差异较大的问题,提出一种基于声光调制直接生成频率扫描激光器的方案。该激光器采用环形腔体结构,具有扫频速度快、扫频精度高、信噪比好等特点。通过分析激光器的信噪比和掺铒光纤放大器中掺铒光纤的长度等参数对生成的频率扫描激光器性能的影响,对现有的频率扫描激光器进行了优化。 | 李宏博 谭中伟 孔梦龙 高洪培 | 2019 | 中国激光2019，46，12： | 3 |
| 3 | Optical frequency synthesizer with an integrated erbium tunable laser显示文摘Optical frequency synthesizers have widespread applications in optical spectroscopy,frequency metrology,and many other fields.However,their applicability is currently limited by size,cost,and power consumption.Silicon photonics technology,which is compatible with complementary-metal-oxide-semiconductor fabrication processes,provides a low-cost,compact size,lightweight,and low-power-consumption solution.In this work,we demonstrate an optical frequency synthesizer using a fully integrated silicon-based tunable laser.The synthesizer can be self-calibrated by tuning the repetition rate of the internal mode-locked laser.A 20 nm tuning range from 1544 to 1564 nm is achieved with~10−13 frequency instability at 10 s averaging time.Its flexibility and fast reconfigurability are also demonstrated by fine tuning the synthesizer and generating arbitrary specified patterns over time-frequency coordinates.This work promotes the frequency stability of silicon-based integrated tunable lasers and paves the way toward chip-scale lowcost optical frequency synthesizers. | Ming Xin Nanxi Li Neetesh Singh Alfonso Ruocco Zhan Su Emir Salih Magden Jelena Notaros Diedrik Vermeulen Erich P.Ippen Michael R.Watts Franz X.Kartner | 2019 | Light(Science & Applications)2019，8，1： | 2 |
| 4 | Photonic radio frequency channelizers based on Kerr optical micro-combs显示文摘We review recent work on broadband RF channelizers based on integrated optical frequency Kerr micro-combs combined with passive micro-ring resonator filters,with microcombs having channel spacings of 200 and 49 GHz.This approach to realizing RF channelizers offers reduced complexity,size,and potential cost for a wide range of applications to microwave signal detection. | Mengxi Tan Xingyuan Xu Jiayang Wu Thach G.Nguyen Sai T.Chu Brent E.Little Roberto Morandotti Arnan Mitchell David J.Moss | 2021 | Journal of Semiconductors2021，42，4： | 0 |
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