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Phase sensitive imaging of 10 GHz vibrations in an AlN microdisk resonator
Zhen Shen, Xu Han, Chang-Ling Zou +1
We demonstrate a high frequency phase-sensitive heterodyne vibrometer, operating up to 10 GHz. Using this heterodyne vibrometer, the amplitude and phase fields of the fundamental t…
Efficient Third Harmonic Generation in Composite Aluminum Nitride / Silicon Nitride Microrings
Joshua B. Surya, Xiang Guo, Chang-Ling Zou +1
Aluminum nitride and silicon nitride have recently emerged as important nonlinear optical materials in integrated photonics respectively for their quadratic and cubic optical nonli…
Limits to single photon transduction by a single atom: Non-Markov theory
Li-Ping Yang, Hong X. Tang, Zubin Jacob
Single atoms form a model system for understanding the limits of single photon detection. Here, we develop a non-Markov theory of single-photon absorption by a two-level atom to pl…
Efficient visible frequency comb generation via Cherenkov radiation from a Kerr microcomb
Xiang Guo, Chang-Ling Zou, Hojoong Jung +4
Optical frequency combs enable state-of-the-art applications including frequency metrology, optical clocks, astronomical measurements, and sensing. Recent demonstrations of microre…
Ultrabroadband supercontinuum generation and frequency-comb stabilization using on-chip waveguides with both cubic and quadratic nonlinearities
Daniel D. Hickstein, Hojoong Jung, David R. Carlson +13
Using aluminum-nitride photonic-chip waveguides, we generate optical-frequency-comb supercontinuum spanning from 500 nm to 4000 nm with a 0.8 nJ seed pulse, and show that the spect…
Patterned growth of crystalline YFeO nanostructures with engineered magnetic shape anisotropy
Na Zhu, Houchen Chang, Andrew Franson +5
We demonstrate patterned growth of epitaxial yttrium iron garnet (YIG) thin films using lithographically defined templates on gadolinium gallium garnet (GGG) substrates. The fabric…