168 citations · 190 across the 6 of their papers we have counts for
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Electrically pumped photonic integrated soliton microcomb
Arslan S. Raja, Andrey S. Voloshin, Hairun Guo +11
Optical frequency combs have revolutionized frequency metrology and timekeeping, and can be used in a wide range of optical technologies. Advances are under way that allow dramatic…
Ultralow-power chip-based soliton microcombs for photonic integration
Junqiu Liu, Arslan S. Raja, Maxim Karpov +6
The generation of dissipative Kerr solitons in optical microresonators has provided a route to compact frequency combs of high repetition rate, which have already been employed for…
Spatial multiplexing of soliton microcombs
Erwan Lucas, Grigori Lihachev, Romain Bouchand +5
Dual-comb interferometry utilizes two optical frequency combs to map the optical field's spectrum to a radio-frequency signal without using moving parts, allowing improved speed an…
Double inverse nanotapers for efficient light coupling to integrated photonic devices
Junqiu Liu, Arslan S. Raja, Martin H. P. Pfeiffer +5
Efficient light coupling into integrated photonic devices is of key importance to a wide variety of applications. "Inverse nanotapers" are widely used, in which the waveguide width…
Probing the loss origins of ultra-smooth integrated photonic waveguides
Martin H. P. Pfeiffer, Junqiu Liu, Arslan S. Raja +3
On-chip optical waveguides with low propagation losses and precisely engineered group velocity dispersion (GVD) are important to nonlinear photonic devices such as soliton microcom…