activity
20122026
most citedSqueezed dual-comb spectroscopy

55 citations · 103 across the 16 of their papers we have counts for

collaborators

18 papers

physics.optics2026

Acoustoelectrically enhanced acousto-optic modulation in an integrated silicon nitride and thin film lithium niobate platform

Matthew J. Storey, John H. Dallyn, Kiyan Hocek +5

Acoustoelectric interactions in piezoelectric-semiconductor heterostructures allow the propagation characteristics of microwave frequency phonons in piezoelectric media to be contr…

physics.optics2026

Upconversion Dual-comb Passive Spectroscopy of Mid-IR Incoherent Light

Mingchen Liu, Matthew Heyrich, Sichong Ma +1

We introduce cross-comb correlation spectroscopy, which correlates signals from asynchronous sum-frequency sampling of mid-IR incoherent light with two near-IR combs. We experiment…

physics.optics2026

Integrated ytterbium gain for visible-near-infrared photonics

Tianyi Zeng, Erik W. Masselink, Tsung-Han Wu +9

Rare-earth gain media form the foundation of modern optical communications, emerging quantum hardware, and ultrafast optics. While chip-scale integration can enable fiber-like, and…

physics.optics2026

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…

physics.optics2025

Photonic Generation and Free-Space Distribution of Millimeter Waves for Portable Optical Clocks

Dylan Meyer, Alexander Lind, William Groman +7

Robust and portable optical clocks promise to bring sub-picosecond timing instability to smaller form factors, offering possible performance improvements and new scenarios for posi…

physics.optics2025

Ultralow noise microwaves with free-running frequency combs and electrical feedforward

Takuma Nakamura, William Groman, Qing-Xin Ji +11

Optically generated microwave signals exhibit some of the lowest phase noise and timing jitter of any microwave-generating technology to date. The success of octave-spanning optica…

physics.optics2025★ 1 cited

Dual Laser Self-Injection Locking to a Micro Fabry-Perot for Low Phase Noise Millimeter-wave Generation

William Groman, Naijun Jin, Haotian Cheng +8

Low-noise and accessible millimeter-wave sources are critical for emergent telecommunications, radar and sensing applications. Current limitations to realizing low-noise, deployabl…

physics.optics2024★ 1 cited

Harnessing micro-Fabry-Perot reference cavities in photonic integrated circuits

Haotian Cheng, Chao Xiang, Naijun Jin +12

Compact photonic systems that offer high frequency stability and low noise are of increasing importance to applications in precision metrology, quantum computing, communication, an…

physics.optics2024

Dual-Comb Photothermal Microscopy

Peter Chang, Ragib Ishrak, Nazanin Hoghooghi +4

We introduce a new parallelized approach to photothermal microscopy that utilizes mid-infrared dual-comb lasers, enabling simultaneous measurements at hundreds of wavelengths. This…

physics.optics2024★ 55 cited

Squeezed dual-comb spectroscopy

Daniel I. Herman, Mathieu Walsh, Molly Kate Kreider +7

Laser spectroscopy and interferometry have provided an unparalleled view into the fundamental nature of matter and the universe through ultra-precise measurements of atomic transit…

physics.optics2024

Mid-Infrared Hyperspectral Microscopy with Broadband 1-GHz Dual Frequency Combs

Peter Chang, Ragib Ishrak, Nazanin Hoghooghi +7

Mid-infrared microscopy is an important tool for biological analyses, allowing a direct probe of molecular bonds in their low energy landscape. In addition to the label-free extrac…

physics.optics2024

Ultrastable vacuum-gap Fabry-Pérot cavities operated in air

Yifan Liu, Naijun Jin, Dahyeon Lee +9

We demonstrate a vacuum-gap ultrastable optical reference cavity that does not require a vacuum enclosure. Our simple method of optical contact bonding in a vacuum environment allo…

physics.optics2024★ 1 cited

Photonic Millimeter-wave Generation Beyond the Cavity Thermal Limit

William Groman, Igor Kudelin, Alexander Lind +11

Next-generation communications, radar and navigation systems will extend and exploit the higher bandwidth of the millimeter-wave domain for increased communication data rates as we…

physics.optics2024★ 1 cited

Dual-comb correlation spectroscopy of thermal light

Eugene J. Tsao, Alexander J. Lind, Connor Fredrick +8

The detection of light of thermal origin is the principal means by which humanity has learned about our world and the cosmos. In optical astronomy, in particular, direct detection…

physics.optics2024

Tunable X-band opto-electronic synthesizer with ultralow phase noise

Igor Kudelin, Pedram Shirmohammadi, William Groman +12

Modern communication, navigation, and radar systems rely on low noise and frequency-agile microwave sources. In this application space, photonic systems provide an attractive alter…

cond-mat.mtrl-sci2024

Element-specific and high-bandwidth ferromagnetic resonance spectroscopy with a coherent, extreme ultraviolet (EUV) source

Michael Tanksalvala, Anthony Kos, Jacob Wisser +3

We applied a tabletop, ultrafast, high-harmonic generation (HHG) source to measure the element-specific ferromagnetic resonance (FMR) in ultra-thin magnetic alloys and multilayers…

physics.optics2023★ 3 cited

A Multi-Harmonic NIR-UV Dual-Comb Spectrometer

Kristina F. Chang, Daniel M. B. Lesko, Carter Mashburn +4

Dual-comb spectroscopy in the ultraviolet (UV) and visible would enable broad bandwidth electronic spectroscopy with unprecedented frequency resolution. However, there are signific…

physics.optics2012★ 41 cited

Sub-femtosecond absolute timing precision with a 10 GHz hybrid photonic-microwave oscillator

T. M. Fortier, C. W. Nelson, A. Hati +10

We present an optical-electronic approach to generating microwave signals with high spectral purity. By circumventing shot noise and operating near fundamental thermal limits, we d…