763 citations · 2k across the 17 of their papers we have counts for
17 papers
Switching dynamics of dark-pulse Kerr comb states in optical microresonators
Elham Nazemosadat, Attila Fülöp, Óskar B. Helgason +7
Dissipative Kerr solitons are localized structures that exist in optical microresonators. They lead to the formation of microcombs --- chip-scale frequency combs that could facilit…
High-order coherent communications using mode-locked dark-pulse Kerr combs from microresonators
Attila Fülöp, Mikael Mazur, Abel Lorences-Riesgo +7
Microresonator frequency combs harness the nonlinear Kerr effect in an integrated optical cavity to generate a multitude of phase-locked frequency lines. The line spacing can reach…
Long-haul coherent communications using microresonator-based frequency combs
Attila Fülöp, Mikael Mazur, Abel Lorences-Riesgo +8
Microresonator-based frequency combs are strong contenders as light sources for wavelength-division multiplexing (WDM). Recent demonstrations have shown the potential of microreson…
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…
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…
Drop-port study of microresonator frequency combs: power transfer and time-domain characterization
Pei-Hsun Wang, Yi Xuan, Li Fan +6
We use a drop-port geometry to study power transfer in silicon nitride on-chip microresonator frequency comb generators. In sharp contrast with the traditional transmission geometr…
Observation of Correlation between Route to Formation, Coherence, Noise, and Communication Performance of Kerr Combs
Pei-Hsun Wang, Fahmida Ferdous, Houxun Miao +6
Microresonator optical frequency combs based on cascaded four-wave mixing are potentially attractive as a multi-wavelength source for on-chip optical communications. In this paper…
Probing Within Partially Coherent Microcavity Frequency Combs via Optical Pulse Shaping
Fahmida Ferdous, Houxun Miao, Pei-Hsun Wang +5
Recent investigations of microcavity frequency combs based on cascaded four-wave mixing have revealed a link between the evolution of the optical spectrum and the observed temporal…