461 citations · 1.1k across the 17 of their papers we have counts for
20 papers
High-Energy Microresonator Soliton Generation
Zhenhua Guo, Sushant Kumar, Xue Dong +7
Kerr resonators generate stable frequency combs in a compact platform with applications in coherent communications, sensing, quantum information processing, and astrophysics. Ultra…
SHUFFLESPARSE: Learned Shuffles for Structured Sparse Networks
Abhishek Tyagi, Arjun Iyer, Liam Young +3
Structured weight sparsity accelerates training and inference on modern GPUs, but it trails unstructured dynamic sparse training (DST) in accuracy especially at extreme sparsity. W…
Dynamic Sparse Training of Diagonally Sparse Networks
Abhishek Tyagi, Arjun Iyer, William H Renninger +2
Recent advances in Dynamic Sparse Training (DST) have pushed the frontier of sparse neural network training in structured and unstructured contexts, matching dense-model performanc…
Coherent Optical Coupling to Surface Acoustic Wave Devices
Arjun Iyer, Yadav P. Kandel, Wendao Xu +2
Surface acoustic waves (SAW) and associated SAW devices are ideal for sensing, metrology, and connecting and controlling hybrid quantum devices. While the advances demonstrated to…
High-impedance surface acoustic wave resonators
Yadav P. Kandel, Suraj Thapa Magar, Arjun Iyer +2
Because of their small size, low loss, and compatibility with magnetic fields and elevated temperatures, surface acoustic wave resonators hold significant potential as future quant…
Simultaneous Brillouin and piezoelectric coupling to a high-frequency bulk acoustic resonator
Taekwan Yoon, David Mason, Vijay Jain +7
Bulk acoustic resonators support robust, long-lived mechanical modes, capable of coupling to various quantum systems. In separate works, such devices have achieved strong coupling…
Strong Optomechanical Interactions with Long-lived Fundamental Acoustic Waves
Wendao Xu, Arjun Iyer, Lei Jin +2
Traveling-wave optomechanical interactions, known as Brillouin interactions, have now been established as a powerful and versatile resource for photonic sources, sensors, and radio…
120-fs single-pulse generation from stretched-pulse fiber Kerr resonators
Xue Dong, Zhiqiang Wang, William H. Renninger
Fiber Kerr resonators are simple driven resonators with desirable wavelength and repetition rate flexibility for generating ultrashort pulses for applications including telecommuni…
Chirped temporal solitons in driven optical resonators
Christopher Spiess, Qian Yang, Xue Dong +2
Temporal solitons in driven microresonator, fiber-resonator, and bulk enhancement cavities enable attractive optical sources for spectroscopy, communications, and metrology. Here w…
High-frequency cavity optomechanics using bulk acoustic phonons
Prashanta Kharel, Glen I. Harris, Eric A. Kittlaus +4
To date, micro- and nano-scale optomechanical systems have enabled many proof-of-principle quantum operations through access to high-frequency (GHz) phonon modes that are readily c…
Ultra-high-Q phononic resonators on-chip at cryogenic temperatures
Prashanta Kharel, Yiwen Chu, Michael Power +3
Long-lived, high-frequency phonons are valuable for applications ranging from optomechanics to emerging quantum systems. For scientific as well as technological impact, we seek hig…
Bulk crystalline optomechanics
W. H. Renninger, P. Kharel, R. O. Behunin +1
Brillouin processes couple light and sound through optomechanical three-wave interactions. Within bulk solids, this coupling is mediated by the intrinsic photo-elastic material res…
Quantum acoustics with superconducting qubits
Yiwen Chu, Prashanta Kharel, William H. Renninger +4
The ability to engineer and manipulate different types of quantum mechanical objects allows us to take advantage of their unique properties and create useful hybrid technologies. T…
Iteratively seeded mode-locking
Victor G. Bucklew, William H. Renninger, Perry S. Edwards +1
Ultrashort pulsed mode-locked lasers enable research at new time-scales and revolutionary technologies from bioimaging to materials processing. In general, the performance of these…
Guided-wave Brillouin scattering in air
William H. Renninger, Ryan O. Behunin, Peter T. Rakich
Here we identify a new form of optomechanical coupling in gas-filled hollow-core fibers. Stimulated forward Brillouin scattering is observed in air in the core of a photonic bandga…
Engineering dissipation with phononic spectral hole burning
R. O. Behunin, P. Kharel, W. H. Renninger +1
Optomechanics, nano-electromechanics, and integrated photonics have brought about a renaissance in phononic device physics and technology. Central to this advance are devices and m…
Noise and dynamics in forward Brillouin interactions
Prashanta Kharel, Ryan Behunin, William Renninger +1
In this paper, we explore the spatio-temporal dynamics of spontaneous and stimulated forward Brillouin scattering. This general treatment incorporates the optomechanical coupling p…
Closed-form solutions and scaling laws for Kerr frequency combs
William H. Renninger, Peter T. Rakich
A single closed-form analytical solution of the driven nonlinear Schrödinger equation is developed, reproducing a large class of the behaviors in Kerr-comb systems, including brigh…
Universal Three Dimensional Optical Logic
Logan G. Wright, William H. Renninger, Frank W. Wise
Modern integrated circuits are essentially two-dimensional (2D). Partial three-dimensional (3D) integration and 3D-transistor-level integrated circuits have long been anticipated a…
Optical solitons in graded-index multimode fiber
William H. Renninger, Frank W. Wise
Solitons are non-dispersing localized waves that occur in diverse physical settings. A variety of optical solitons have been observed, but versions that involve both spatial and te…