Optimizing Josephson-ring-modulator-based Josephson parametric amplifiers via full Hamiltonian control
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.042323
Abstract: Josephson parametric amplifiers (JPA) are nonlinear devices that are used for quantum sensing and qubit readout in the microwave regime. While JPAs regularly operate near the quantum limit, their gain saturates for very small (few-photon)… read more here.
Keywords: parametric amplifiers; josephson ring; jpas; ring modulator ... See more keywords
A Temperature Controller IC for Maximizing Si Micro-Ring Modulator Optical Modulation Amplitude
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2889899
Abstract: We present a custom-designed integrated circuit (IC) implemented in 0.25-μm BiCMOS technology that can automatically control the Si micro-ring modulator (MRM) temperature for optimal modulation characteristics. The IC monitors the optical modulation amplitude (OMA) of… read more here.
Keywords: modulation amplitude; micro ring; modulation; ring modulator ... See more keywords
Experimental Demonstration of a Novel Microwave Photonics Ring Modulator With Reduced Driving Power
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Quantum Electronics"
DOI: 10.1109/jqe.2019.2952581
Abstract: We propose and experimentally characterise a novel microwave (MW) ring modulator design that resonantly enhances the electro-optic modulation of MW signals with center frequencies matching an integer multiple of the ring’s FSR. We show that… read more here.
Keywords: modulator; power; ring modulator; novel microwave ... See more keywords
Silicon electronic–photonic integrated 25 Gb/s ring modulator transmitter with a built-in temperature controller
Sign Up to like & getrecommendations! Published in 2021 at "Photonics Research"
DOI: 10.1364/prj.413407
Abstract: We demonstrate a silicon electronic–photonic integrated 25 Gb/s nonreturn-to-zero transmitter that includes driver circuits, depletion-type Si ring modulator, Ge photodetector, temperature sensor, on-chip heater, and temperature controller, all monolithically integrated on a 0.25 μm photonic BiCMOS technology… read more here.
Keywords: silicon electronic; photonic integrated; temperature; ring modulator ... See more keywords