763 citations · 2.2k across the 19 of their papers we have counts for
18 papers · 1 filter
Dispersion-managed octave soliton microcombs in heterostructured microresonators
Xinghong Li, Wenxin Zhang, Yiyang Lu +5
Controlling group velocity dispersion is of fundamental importance in ultrafast optics, particularly for supercontinuum generation and optical frequency comb synthesis. However, th…
Frequency-comb-steered ultrawideband quasi-true-time-delay beamformer for integrated sensing and communication
Mian Wang, Wenxin Zhang, Zeyu Ren +3
Phased array antennas (PAAs) possessing broadband beamforming capabilities are crucial for advanced radar and wireless communication systems. Nevertheless, traditional phase-shifte…
Dispersion-less Kerr solitons in spectrally confined optical cavities
Xiaoxiao Xue, Philippe Grelu, Bofan Yang +4
Solitons are self-reinforcing localized wave packets arising from a balance of linear and nonlinear effects. This definition encompasses the interplay of nonlinear gain and loss, l…
Super-efficient temporal solitons in mutually coupled optical cavities
Xiaoxiao Xue, Xiaoping Zheng, Bingkun Zhou
A coherently driven Kerr optical cavity is able to convert a continuous-wave laser to a sequence of ultrashort soliton pulses, enabling the generation of broadband and mode-locked…
Soliton regulation in microcavities induced by fundamental-second-harmonic mode coupling
Xiaoxiao Xue, Xiaoping Zheng, Bingkun Zhou
Microcomb generation with simultaneous and nonlinearities brings new possibilities for ultra-broadband and potentially self-referenced integrated comb sources.…
Soliton trapping and comb self-referencing in a single microresonator with and nonlinearities
Xiaoxiao Xue, Xiaoping Zheng, Andrew M. Weiner
A shaped doublet pump pulse is proposed for simultaneous octave-spanning soliton Kerr frequency comb generation and second-harmonic conversion in a single microresonator. The tempo…
Microresonator Kerr frequency combs with high conversion efficiency
Xiaoxiao Xue, Pei-Hsun Wang, Yi Xuan +2
Microresonator-based Kerr frequency comb (microcomb) generation can potentially revolutionize a variety of applications ranging from telecommunications to optical frequency synthes…
Frequency Comb Generation in 300 nm Thick SiN Concentric-Racetrack-Resonators: Overcoming the Material Dispersion Limit
Sangsik Kim, Kyunghun Han, Cong Wang +7
Kerr nonlinearity based frequency combs and solitons have been generated from on-chip optical microresonators with high quality factors and global or local anomalous dispersion. Ho…
Second-harmonic assisted four-wave mixing in chip-based microresonator frequency comb generation
Xiaoxiao Xue, François Leo, Yi Xuan +6
Simultaneous Kerr comb formation and second-harmonic generation with on-chip microresonators can greatly facilitate comb self-referencing for optical clocks and frequency metrology…
Intracavity characterization of micro-comb generation in the single-soliton regime
Pei-Hsun Wang, Jose A. Jaramillo-Villegas, Yi Xuan +5
Soliton formation in on-chip micro-comb generation balances cavity dispersion and nonlinearity and allows coherent, low-noise comb operation. We study the intracavity waveform of a…
Normal-dispersion Microcombs Enabled by Controllable Mode Interactions
Xiaoxiao Xue, Yi Xuan, Pei-Hsun Wang +4
We demonstrate a scheme incorporating dual coupled microresonators through which mode interactions are intentionally introduced and controlled for Kerr frequency comb (microcomb) g…
Deterministic single soliton generation and compression in microring resonators avoiding the chaotic region
Jose A. Jaramillo-Villegas, Xiaoxiao Xue, Pei-Hsun Wang +2
A path within the parameter space of detuning and pump power is demonstrated in order to obtain a single cavity soliton (CS) with certainty in SiN microring resonators in the anoma…
Retrieving the Complex Intracavity Pump Field of a Kerr Comb from the Through Port Data
Xiaoxiao Xue, Yi Xuan, Yang Liu +6
A method of retrieving the complex intracavity pump field from the through port is proposed, and verified through characterizing the time-domain waveform of a mode-locked comb rela…
Investigation of Mode Coupling in Normal Dispersion Silicon Nitride Microresonators for Kerr Frequency Comb Generation
Yang Liu, Yi Xuan, Xiaoxiao Xue +7
Kerr frequency combs generated from microresonators are the subject of intense study. Most research employs microresonators with anomalous dispersion, for which modulation instabil…
Mode interaction aided excitation of dark solitons in microresonators constructed of normal dispersion waveguides
Xiaoxiao Xue, Yi Xuan, Yang Liu +6
Kerr frequency combs from microresonators are now extensively investigated as a potentially portable technology for a variety of applications. Most studies employ anomalous dispers…
Investigation of Mode Interaction in Optical Microresonators for Kerr Frequency Comb Generation
Yang Liu, Yi Xuan, Xiaoxiao Xue +5
Mode interaction in silicon nitride micro-resonators is investigated. We provide clear experimental evidence of mode interaction between two family modes and mode interaction is de…
Tunable Frequency Comb Generation from a Microring with a Thermal Heater
Xiaoxiao Xue, Yi Xuan, Pei-Hsun Wang +4
We demonstrate a novel comb tuning method for microresonator-based Kerr comb generators. Continuously tunable, low-noise, and coherent comb generation is achieved in a CMOS-compati…
Coherent Frequency Comb Generation in a Silicon Nitride Microresonator with Anomalous Dispersion
Pei-Hsun Wang, Yi Xuan, Jian Wang +4
We observe a transition to a coherent-comb state in a SiN-microresonator with anomalous dispersion. Although ~300 fs pulse trains are generated after line-by-line shaping, the inte…