9 citations · 19 across the 14 of their papers we have counts for
13 papers · 1 filter
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…
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…
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…
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…
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…
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…
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…
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…
Photonic chip-based low noise microwave oscillator
Igor Kudelin, William Groman, Qing-Xin Ji +26
Numerous modern technologies are reliant on the low-phase noise and exquisite timing stability of microwave signals. Substantial progress has been made in the field of microwave ph…
Compact, Portable, Thermal-Noise-Limited Optical Cavity with Low Acceleration Sensitivity
Megan Lauree Kelleher, Charles A. McLemore, Dahyeon Lee +3
We develop and demonstrate a compact (less than mL) portable Fabry-Pérot optical reference cavity. A laser locked to the cavity is thermal noise limited at fr…
Chip-Based Laser with 1 Hertz Integrated Linewidth
Joel Guo, Charles A. McLemore, Chao Xiang +14
Lasers with hertz-level linewidths on timescales up to seconds are critical for precision metrology, timekeeping, and manipulation of quantum systems. Such frequency stability typi…
Thermal noise-limited laser stabilization to an 8 mL volume Fabry-Pérot reference cavity with microfabricated mirrors
Charles A. McLemore, Naijun Jin, Megan L. Kelleher +7
Lasers stabilized to vacuum-gap Fabry-Pérot optical reference cavities display extraordinarily low noise and high stability, with linewidths much less than 1 Hz. These lasers can e…
Micro-fabricated mirrors with finesse exceeding one million
Naijun Jin, Charles A. McLemore, David Mason +7
The Fabry-Pérot resonator is one of the most widely used optical devices, enabling scientific and technological breakthroughs in diverse fields including cavity QED, optical clocks…