activity
20242026
most citedFrom ultra-noisy to ultra-stable: optimization of the optoelectronic laser lock

1 citations · 3 across the 10 of their papers we have counts for

collaborators

10 papers

physics.optics2026

Redefining the limits of real-time noise cancellation in optical fiber links

Charles A. McLemore, Marco Pomponio, Takuma Nakamura +4

A broad and growing array of applications rely on the faithful transmission of ultrastable optical signals over noisy paths, requiring cancellation of environmentally induced noise…

physics.optics2026

Fiber Link Stabilization with a Multicore Fiber Amplifier

Yifan Liu, Takuma Nakamura, Daniel J. Elson +7

We study the use of separate cores of a multicore erbium-doped fiber amplifier (MC-EDFA) in a noise-canceled link for ultrastable optical frequency transfer. We demonstrate fractio…

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★ 1 cited

Sub-femtosecond stabilization of multicore fiber for high-fidelity quantum networking at 100% duty cycle

Takuma Nakamura, Nazanin Hoghooghi, Nicolas Fontaine +8

Originally envisioned as a solution for the capacity crunch in telecommunications networks, multicore fibers (MCF) are contributing to scientific fields beyond telecom, such as sen…

physics.optics2025★ 1 cited

From ultra-noisy to ultra-stable: optimization of the optoelectronic laser lock

Takuma Nakamura, Yifan Liu, Naijun Jin +5

We demonstrate thermal-noise-limited direct locking of a semiconductor distributed feedback (DFB) laser to a sub-1 mL volume, ultrastable optical cavity, enabling extremely compact…

physics.optics2024

Enabling a multifunctional telecommunications fiber optic network: Ultrastable optical frequency transfer and attosecond timing in deployed multicore fiber

Nazanin Hoghooghi, Mikael Mazur, Nicolas Fontaine +10

The telecommunications industry's deployment of billions of kilometers of optical fiber has created a vast global network that can be exploited for additional applications such as…

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

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

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…