3.6k citations · 43.6k across the 233 of their papers we have counts for
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Ultra-wideband electrically-tuned mid-infrared on-chip parametric oscillator
Alexander Y. Hwang, Hubert S. Stokowski, Luke Qi +7
Developing compact, broadband mid-infrared coherent sources for applications in spectroscopy and sensing remains a pressing challenge in photonics. However, material limitations an…
Low-power integrated optical parametric amplification via second-harmonic resonance
Devin J. Dean, Taewon Park, Hubert S. Stokowski +6
Optical amplifiers are fundamental to modern photonics, enabling long-distance communications, precision sensing, and quantum information processing. Erbium-doped amplifiers domina…
Low-loss, fabrication-tolerant, and highly-tunable Sagnac loop reflectors and Fabry-Pérot cavities on thin-film lithium niobate
Luke Qi, Ali Khalatpour, Jason Herrmann +8
We present low-loss () and power-efficient Mach-Zehnder interferometers (MZIs) on thin-film lithium niobate. To accurately measure low MZI losses, we develop a self-calibra…
Roughness-Limited Performance in Ultra-Low-Loss Lithium Niobate Cavities
Ali Khalatpour, Luke Qi, Martin M. Fejer +1
Achieving low optical loss is critical for scaling complex photonic systems. Thin-film lithium niobate (TFLN) offers strong electro-optic and nonlinear properties in a compact plat…
Ultrafast second-order nonlinear photonics -- from classical physics to non-Gaussian quantum dynamics
Marc Jankowski, Ryotatsu Yanagimoto, Edwin Ng +4
Photonic integrated circuits with second-order () nonlinearities are rapidly scaling to remarkably low powers. At this time, state-of-the-art devices achieve saturated non…
Integrated frequency-modulated optical parametric oscillator
Hubert S. Stokowski, Devin J. Dean, Alexander Y. Hwang +7
Optical frequency combs have revolutionized precision measurement, time-keeping, and molecular spectroscopy. A substantial effort has developed around "microcombs": integrating com…
Mid-infrared spectroscopy with a broadly tunable thin-film lithium niobate optical parametric oscillator
Alexander Y. Hwang, Hubert S. Stokowski, Taewon Park +7
Mid-infrared spectroscopy, an important and widespread technique for sensing molecules, has encountered barriers stemming from sources either limited in tuning range or excessively…
Substrate-transferred GaAs/AlGaAs crystalline coatings for gravitational-wave detectors: A review of the state of the art
G. D. Cole, S. Ballmer, G. Billingsley +16
In this Perspective we summarize the status of technological development for large-area and low-noise substrate-transferred GaAs/AlGaAs (AlGaAs) crystalline coatings for interferom…
Degenerate optical parametric amplification in CMOS silicon
David Heydari, Mircea Catuneanu, Edwin Ng +7
Silicon is a common material for photonics due to its favorable optical properties in the telecom and mid-wave IR bands, as well as compatibility with a wide range of complementary…
Ultra-broadband mid-infrared generation in dispersion-engineered thin-film lithium niobate
Jatadhari Mishra, Marc Jankowski, Alexander Y. Hwang +8
Thin-film lithium niobate (TFLN) is an emerging platform for compact, low-power nonlinear-optical devices, and has been used extensively for near-infrared frequency conversion. Rec…
Non-equilibrium phase transitions in coupled nonlinear optical resonators
Arkadev Roy, Rajveer Nehra, Carsten Langrock +2
Phase transitions and the associated symmetry breaking are at the heart of many physical phenomena. Coupled systems with multiple interacting degrees of freedom provide a fertile g…
Spectrally separable photon-pair generation in dispersion engineered thin-film lithium niobate
C. J. Xin, Jatadhari Mishra, Changchen Chen +7
Existing nonlinear-optic implementations of pure, unfiltered heralded single-photon sources do not offer the scalability required for densely integrated quantum networks. Additiona…
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…
High efficiency second harmonic generation of blue light on thin film lithium niobate
Taewon Park, Hubert S. Stokowski, Vahid Ansari +4
We demonstrate second harmonic generation of blue light on an integrated thin-film lithium niobate waveguide and observe a conversion efficiency of , si…
Mid-infrared nonlinear optics in thin-film lithium niobate on sapphire
Jatadhari Mishra, Timothy P. McKenna, Edwin Ng +7
Periodically poled thin-film lithium niobate (TFLN) waveguides have emerged as a leading platform for highly efficient frequency conversion in the near-infrared. However, the commo…
Quasi-static Optical Parametric Amplification
Marc Jankowski, Nayara Jornod, Carsten Langrock +4
High-gain optical parametric amplification is an important nonlinear process used both as a source of coherent infrared light and as a source of nonclassical light. In this work, w…
Dispersion-engineered nanophotonics: a flexible tool for nonclassical light
Marc Jankowski, Jatadhari Mishra, M. M. Fejer
This article reviews recent progress in quasi-phasematched nonlinear nanophotonics, with a particular focus on dispersion-engineered nonlinear interactions. Throughout th…
Ultra-low-power second-order nonlinear optics on a chip
Timothy P. McKenna, Hubert S. Stokowski, Vahid Ansari +7
Second-order nonlinear optical processes are used to convert light from one wavelength to another and to generate quantum entanglement. Creating chip-scale devices to more efficien…
Supercontinuum Generation by Saturated Second-Order Nonlinear Interactions
Marc Jankowski, Carsten Langrock, Boris Desiatov +2
We propose a new approach to supercontinuum generation and carrier-envelope-offset detection based on saturated second-order nonlinear interactions in dispersion-engineered nanowav…
Spectral Phase Transitions in Optical Parametric Oscillators
Arkadev Roy, Saman Jahani, Carsten Langrock +2
Spectral behaviors of photonic resonators have been the basis for a range of fundamental studies, with applications in classical and quantum technologies. Driven nonlinear resonato…
Optical parametric oscillation in silicon carbide nanophotonics
Melissa A. Guidry, Ki Youl Yang, Daniil M. Lukin +4
Silicon carbide (SiC) is rapidly emerging as a leading platform for the implementation of nonlinear and quantum photonics. Here, we find that commercial SiC, which hosts a variety…
Ultrabroadband Nonlinear Optics in Nanophotonic Periodically Poled Lithium Niobate Waveguides
Marc Jankowski, Carsten Langrock, Boris Desiatov +6
Quasi-phasematched interactions in waveguides with quadratic nonlinearities enable highly efficient nonlinear frequency conversion. In this article, we demonstrate the first genera…
Temporal Simultons in Optical Parametric Oscillators
Marc Jankowski, Alireza Marandi, C. R. Phillips +4
We identify and demonstrate a regime of operation in optical parametric oscillators (OPOs) in which the formation of temporal simultons produces stable half-harmonic pulses. Simult…
Reduced models and design principles for half-harmonic generation in synchronously-pumped optical parametric oscillators
Ryan Hamerly, Alireza Marandi, Marc Jankowski +3
We develop reduced models that describe half-harmonic generation in a synchronously-pumped optical parametric oscillator above threshold, where nonlinearity, dispersion, and group-…