166 citations · 655 across the 22 of their papers we have counts for
22 papers
Visible dual-comb spectroscopy across more than 100 THz with lithium niobate nanophotonic waveguides
Carter Mashburn, Kristina F. Chang, Michael J. Wahl +11
Broadband and high-resolution spectroscopy in the visible and ultraviolet is central to advances in multiple fields, including fundamental quantum physics, biology, atmospheric sci…
Topological Soliton Frequency Comb in Nanophotonic Lithium Niobate
Nicolas Englebert, Robert M. Gray, Luis Ledezma +6
Frequency combs have revolutionized metrology, ranging, and optical clocks, which have motivated substantial efforts on the development of chip-scale comb sources. The on-chip comb…
Two-optical-cycle pulses from nanophotonic two-color soliton compression
Robert M. Gray, Ryoto Sekine, Maximilian Shen +7
Few- and single-cycle optical pulses and their associated ultra-broadband spectra have been crucial in the progress of ultrafast science and technology. Moreover, multi-color wavef…
Ultrafast All-Optical Measurement of Squeezed Vacuum in a Lithium Niobate Nanophotonic Circuit
James Williams, Elina Sendonaris, Rajveer Nehra +4
Squeezed vacuum, a fundamental resource for continuous-variable quantum information processing, has been used to demonstrate quantum advantages in sensing, communication, and compu…
Ultrafast neuromorphic computing with nanophotonic optical parametric oscillators
Midya Parto, Gordon H. Y. Li, Ryoto Sekine +5
Over the past decade, artificial intelligence (AI) has led to disruptive advancements in fundamental sciences and everyday technologies. Among various machine learning algorithms,…
Ultrafast single-photon detection using nanophotonic parametric amplifiers
Elina Sendonaris, James Williams, Rajveer Nehra +4
Integrated photonic quantum information processing (QIP) has advanced rapidly due to progress in various nanophotonic platforms. Single photon detectors have been the subject of in…
Large-scale time-multiplexed nanophotonic parametric oscillators
Robert M. Gray, Ryoto Sekine, Luis Ledezma +5
Arrays of nonlinear resonators offer a fertile ground for a wide range of complex phenomena and opportunities for advanced photonic sensing and computing. Recently, significant att…
Ultra-Short Pulse Biphoton Source in Lithium Niobate Nanophotonics at 2m
James Williams, Rajveer Nehra, Elina Sendonaris +4
Photonics offers unique capabilities for quantum information processing (QIP) such as room-temperature operation, the scalability of nanophotonics, and access to ultrabroad bandwid…
Optical-parametric-amplification-enhanced background-free spectroscopy
Mingchen Liu, Robert M. Gray, Arkadev Roy +2
Traditional absorption spectroscopy has fundamental difficulty in resolving small absorbance from strong background due to the instability of laser sources. Existing background-fre…
Highly efficient visible and near-IR photon pair generation with thin-film lithium niobate
Nathan A. Harper, Emily Y. Hwang, Ryoto Sekine +4
Efficient on-chip entangled photon pair generation at telecom wavelengths is an integral aspect of emerging quantum optical technologies, particularly for quantum communication and…
Multi-Octave Frequency Comb from an Ultra-Low-Threshold Nanophotonic Parametric Oscillator
Ryoto Sekine, Robert M. Gray, Luis Ledezma +3
Ultrabroadband frequency combs coherently unite distant portions of the electromagnetic spectrum. They underpin discoveries in ultrafast science and serve as the building blocks of…
Mode-locked laser in nanophotonic lithium niobate
Qiushi Guo, Ryoto Sekine, James A. Williams +8
Mode-locked lasers (MLLs) have enabled ultrafast sciences and technologies by generating ultrashort pulses with peak powers substantially exceeding their average powers. Recently,…
Visible to Ultraviolet Frequency Comb Generation in Lithium Niobate Nanophotonic Waveguides
Tsung-Han Wu, Luis Ledezma, Connor Fredrick +6
The introduction of nonlinear nanophotonic devices to the field of optical frequency comb metrology has enabled new opportunities for low-power and chip-integrated clocks, high-pre…
Tunable and efficient ultraviolet generation in nanophotonic lithium niobate
Emily Hwang, Nathan Harper, Ryoto Sekine +3
On-chip ultraviolet sources are of great interest for building compact and scalable atomic clocks, quantum computers, and spectrometers; however, few material platforms are suitabl…
Quadratic-soliton-enhanced mid-IR molecular sensing
Robert M. Gray, Mingchen Liu, Selina Zhou +3
Optical solitons have long been of interest both from a fundamental perspective and because of their application potential. Both cubic (Kerr) and quadratic nonlinearities can lead…
Visible-to-mid-IR tunable frequency comb in nanophotonics
Arkadev Roy, Luis Ledezma, Luis Costa +6
Optical frequency comb is an enabling technology for a multitude of applications from metrology to ranging and communications. The tremendous progress in sources of optical frequen…
Octave-spanning tunable parametric oscillation in nanophotonics
Luis Ledezma, Arkadev Roy, Luis Costa +6
Widely-tunable coherent sources are desirable in nanophotonics for a multitude of applications ranging from communications to sensing. The mid-infrared spectral region (wavelengths…
Few-cycle vacuum squeezing in nanophotonics
Rajveer Nehra, Ryoto Sekine, Luis Ledezma +4
One of the most fundamental quantum states of light is squeezed vacuum, in which noise in one of the quadratures is less than the standard quantum noise limit. Significant progress…
All-optical ultrafast ReLU function for energy-efficient nanophotonic deep learning
Gordon H. Y. Li, Ryoto Sekine, Rajveer Nehra +4
In recent years, the computational demands of deep learning applications have necessitated the introduction of energy-efficient hardware accelerators. Optical neural networks are a…
Temporal Walk-off Induced Dissipative Quadratic Solitons
Arkadev Roy, Rajveer Nehra, Saman Jahani +4
A plethora of applications have recently motivated extensive efforts on the generation of low noise Kerr solitons and coherent frequency combs in various platforms ranging from fib…
Femtojoule, femtosecond all-optical switching in lithium niobate nanophotonics
Qiushi Guo, Ryoto Sekine, Luis Ledezma +6
Optical nonlinear functions are crucial for various applications in integrated photonics, such as all-optical information processing, photonic neural networks and on-chip ultrafast…
Intense optical parametric amplification in dispersion engineered nanophotonic lithium niobate waveguides
Luis Ledezma, Ryoto Sekine, Qiushi Guo +3
Strong amplification in integrated photonics is one of the most desired optical functionalities for computing, communications, sensing, and quantum information processing. Semicond…