132 citations · 283 across the 5 of their papers we have counts for
6 papers
Residual AM and PM Noise of Selected X-Band Amplifiers
Archita Hati, Craig Nelson, Scott Littrell
In microwave systems design, amplitude modulation (AM) noise is often ignored relative to phase modulation (PM) noise. However, in high-performance applications requiring ultra-low…
Radio Frequency from Optical with Instabilities below - Generation and Measurement
A. Hati, M. Pomponio, N. V. Nardelli +7
This paper presents a frequency synthesis that achieves exceptional stability by transferring optical signals to the radio frequency (RF) domain at 100 MHz. We describe and charact…
Deployment of a Transportable Yb Optical Lattice Clock
Tobias Bothwell, Wesley Brand, Robert Fasano +16
We report on the first deployment of a ytterbium (Yb) transportable optical lattice clock (TOLC), commercially shipping the clock 3,000 km from Boulder, Colorado to Washington DC.…
Analysis of shot noise in the detection of ultrashort optical pulse trains
Franklyn Quinlan, Tara M. Fortier, Haifeng Jiang +1
We present a frequency domain model of shot noise in the photodetection of ultrashort optical pulse trains using a time-varying analysis. Shot noise-limited photocurrent power spec…
Photonic microwave generation with high-power photodiodes
Tara M. Fortier, Franklyn Quinlan, Archita Hati +5
We utilize and characterize high-power, high-linearity modified uni-traveling carrier (MUTC) photodiodes for low-phase-noise photonic microwave generation based on optical frequenc…
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…