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Vernier Microcombs for Integrated Optical Atomic Clocks
Kaiyi Wu, Nathan P. O'Malley, Saleha Fatema +8
CMOS-compatible Kerr microcombs have drawn substantial interest as mass-manufacturable, compact alternatives to bulk frequency combs. This could enable deployment of many comb-reli…
Architecture for Integrated RF Photonic Downconversion of Electronic Signals
Nathan P. O'Malley, Keith A. Mckinzie, Mohammed S. Alshaykh +5
Electronic analog to digital converters (ADCs) are running up against the well-known bit depth vs bandwidth tradeoff. Towards this end, RF photonic-enhanced ADCs have been the subj…
Efficient compressive and Bayesian characterization of biphoton frequency spectra
Emma M. Simmerman, Hsuan-Hao Lu, Andrew M. Weiner +1
Frequency-bin qudits constitute a promising tool for quantum information processing, but their high dimensionality can make for tedious characterization measurements. Here we intro…
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…
Characterizing pump line phase offset of a single-soliton Kerr comb by dual comb interferometry
Ziyun Kong, Chengying Bao, Oscar E. Sandoval +5
We experimentally demonstrate phase retrieval of a single-soliton Kerr comb using electric field cross-correlation implemented via dual-comb interferometry. The phase profile of th…
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…