Paolo Pintus
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View article: Integrated magneto-optic-based magnetometer: classical and quantum limits
Integrated magneto-optic-based magnetometer: classical and quantum limits Open
Magnetic field sensors with high sensitivity and spatial resolution have profoundly impacted diverse applications ranging from geopositioning and navigation to medical imaging, materials science, and space exploration. However, the use of …
View article: Integrated magneto-optic based magnetometer: classical and quantum limits
Integrated magneto-optic based magnetometer: classical and quantum limits Open
Magnetic field sensors with high sensitivity and spatial resolution have profoundly impacted diverse applications ranging from geo-positioning and navigation to medical imaging, materials science, and space exploration. However, the use of…
View article: Integrated magneto-optic based magnetometer: classical and quantum limits
Integrated magneto-optic based magnetometer: classical and quantum limits Open
Magnetic field sensors with high sensitivity and spatial resolution have profoundly impacted diverse applications ranging from geo-positioning and navigation to medical imaging, materials science, and space exploration. However, the use of…
View article: Integrated mode-hop-free tunable lasers at 780 nm for chip-scale classical and quantum photonic applications
Integrated mode-hop-free tunable lasers at 780 nm for chip-scale classical and quantum photonic applications Open
In the past decade, remarkable advances in integrated photonic technologies have enabled table-top experiments and instrumentation to be scaled down to compact chips with significant reduction in size, weight, power consumption, and cost. …
View article: Enabling High-Bandwidth Coherent Modulation Through Scalable Lithium Niobate Resonant Devices
Enabling High-Bandwidth Coherent Modulation Through Scalable Lithium Niobate Resonant Devices Open
We present a compact, resonant-based coherent modulator on a thin-film lithium niobate (TFLN) platform, addressing the growing demand for high-speed, energy-efficient modulators in modern telecommunications. The design incorporates Mach-Ze…
View article: Single‐Threshold Amplified Spontaneous Emission in the Absence of Photon Gain in MAPbBr<sub>3</sub> Planar Waveguides
Single‐Threshold Amplified Spontaneous Emission in the Absence of Photon Gain in MAPbBr<sub>3</sub> Planar Waveguides Open
Metal halide perovskites have emerged as promising materials for low‐threshold lasers, ideally suited for integrated optical circuits due to their easy fabrication, tunable wavelength, and seamless on‐chip integration. Exciton lasing, elec…
View article: Visible-Telecom Entangled-Photon Pair Generation with Integrated Photonics: Guidelines and a Materials Comparison
Visible-Telecom Entangled-Photon Pair Generation with Integrated Photonics: Guidelines and a Materials Comparison Open
Correlated photon-pair sources are key components for quantum computing, networking, synchronization, and sensing applications. Integrated photonics has enabled chip-scale sources using nonlinear processes, producing high-rate time-energy …
View article: Cryogenic integrated optical modulators for classical and quantum computing
Cryogenic integrated optical modulators for classical and quantum computing Open
In recent years, standard CMOS microprocessors have approached their maximum power dissipation per unit area, effectively placing a limit on computational power. This highlights the urgent need to explore alternative technologies. One prom…
View article: Integrated Mode-Hop-Free Tunable Lasers at 780 nm for Chip-Scale Classical and Quantum Photonic Applications
Integrated Mode-Hop-Free Tunable Lasers at 780 nm for Chip-Scale Classical and Quantum Photonic Applications Open
In the last decade, remarkable advances in integrated photonic technologies have enabled table-top experiments and instrumentation to be scaled down to compact chips with significant reduction in size, weight, power consumption, and cost. …
View article: Broadband Entangled-Photon Pair Generation with Integrated Photonics: Guidelines and A Materials Comparison
Broadband Entangled-Photon Pair Generation with Integrated Photonics: Guidelines and A Materials Comparison Open
Correlated photon-pair sources are key components for quantum computing, networking, and sensing applications. Integrated photonics has enabled chip-scale sources using nonlinear processes, producing high-rate entanglement with sub-100 mic…
View article: Cryogenic Integrated Photonics: Where Optical Communication Meets Cryogenic Computing
Cryogenic Integrated Photonics: Where Optical Communication Meets Cryogenic Computing Open
We present recent progress in cryogenic optical modulators for data links from cryogenic to room temperature environments, which can have applications in emerging cryogenic classical and quantum computing systems. Two efficient solutions b…
View article: Demonstration of Large Mode-Hop-Free Tuning in Narrow-Linewidth Heterogeneous Integrated Laser
Demonstration of Large Mode-Hop-Free Tuning in Narrow-Linewidth Heterogeneous Integrated Laser Open
Continuously tunable lasers with a narrow linewidth are at the core of a large number coherent optical systems. Integration of these devices on a single chip will enable a large number of applications that require minimal size, weight, pow…
View article: A Sub‐Picojoule per Bit Integrated Magneto‐Optic Modulator on Silicon: Modeling and Experimental Demonstration
A Sub‐Picojoule per Bit Integrated Magneto‐Optic Modulator on Silicon: Modeling and Experimental Demonstration Open
Integrated magneto‐optic (MO) modulators are an attractive but not fully explored alternative to electro‐optic (EO) modulators. They are current driven, structurally simple, and could potentially achieve high efficiency in cryogenic and ro…
View article: Ultralow voltage, high-speed, and energy-efficient cryogenic electro-optic modulator
Ultralow voltage, high-speed, and energy-efficient cryogenic electro-optic modulator Open
Photonic integrated circuits (PICs) at cryogenic temperatures enable a wide range of applications in scalable classical and quantum systems for computing and sensing. A promising application of cryogenic PICs is to provide optical intercon…
View article: Expanding the quantum photonic toolbox in AlGaAsOI
Expanding the quantum photonic toolbox in AlGaAsOI Open
Aluminum gallium arsenide-on-insulator (AlGaAsOI) exhibits large χ2 and χ3 optical nonlinearities, a wide tunable bandgap, low waveguide propagation loss, and a large thermo-optic coefficient, making it an exciting platform for integrated …
View article: Ultralow voltage, High-speed, and Energy-efficient Cryogenic Electro-Optic Modulator
Ultralow voltage, High-speed, and Energy-efficient Cryogenic Electro-Optic Modulator Open
Photonic integrated circuits (PICs) at cryogenic temperatures enable a wide range of applications in scalable classical and quantum systems for computing and sensing. A promising application of cryogenic PICs is to provide optical intercon…
View article: A low-power integrated magneto-optic modulator on silicon for cryogenic applications
A low-power integrated magneto-optic modulator on silicon for cryogenic applications Open
A fundamental challenge of the quantum revolution is to efficiently interface the quantum computing systems operating at cryogenic temperatures with room temperature electronics and media for high data-rate communication. Current approache…
View article: A low-power integrated magneto-optic modulator on silicon for cryogenic\n applications
A low-power integrated magneto-optic modulator on silicon for cryogenic\n applications Open
A fundamental challenge of the quantum revolution is to efficiently interface\nthe quantum computing systems operating at cryogenic temperatures with room\ntemperature electronics and media for high data-rate communication. Current\napproa…
View article: Characterization of heterogeneous InP-on-Si optical modulators operating between 77 K and room temperature
Characterization of heterogeneous InP-on-Si optical modulators operating between 77 K and room temperature Open
Heterogeneous integration of InP modulators on a silicon photonic platform, fabricated by bonding III–V wafer on patterned silicon waveguides, are proved to work between 77 K and 295 K. The performance of modulators based on the Franz-Keld…
View article: Monolithic integration of broadband optical isolators for polarization-diverse silicon photonics
Monolithic integration of broadband optical isolators for polarization-diverse silicon photonics Open
Integrated optical isolators have been a longstanding challenge for photonic integrated circuits (PICs).An ideal integrated optical isolator for a PIC should be made by a monolithic process, have a small footprint, exhibit broadband and po…
View article: Strong frequency conversion in heterogeneously integrated GaAs resonators
Strong frequency conversion in heterogeneously integrated GaAs resonators Open
n this contribution, we demonstrate the first integrated gallium arsenide (GaAs) ring resonator for second harmonic generation (SHG) on a GaAs-on-insulator platform. Such resonators exhibit high nonlinear optical coefficients, a strong opt…
View article: Heterogeneous silicon photonics sensing for autonomous cars [Invited]
Heterogeneous silicon photonics sensing for autonomous cars [Invited] Open
Heterogeneous silicon photonics is uniquely positioned to address the photonic sensing needs of upcoming autonomous cars and provide the necessary cost reduction for widespread deployment. This is because it allows for wafer-scale active/p…
View article: Broadband TE Optical Isolators and Circulators in Silicon Photonics Through Ce:YIG Bonding
Broadband TE Optical Isolators and Circulators in Silicon Photonics Through Ce:YIG Bonding Open
Optical isolators and circulators are fundamental building block in photonic integrated circuits to block undesired reflections and routing light according to a prescribed direction. In silicon photonics, heterogeneous integration of magne…
View article: Monolithic integration of broadband optical isolators for polarization-diverse silicon photonics
Monolithic integration of broadband optical isolators for polarization-diverse silicon photonics Open
Integrated optical isolators have been a longstanding challenge for photonic integrated circuits (PIC). An ideal integrated optical isolator for PIC should be made by a monolithic process, have a small footprint, exhibit broadband and pola…
View article: Integrated Reconfigurable Silicon Photonics Switch Matrix in IRIS Project: Technological Achievements and Experimental Results
Integrated Reconfigurable Silicon Photonics Switch Matrix in IRIS Project: Technological Achievements and Experimental Results Open
This paper reports the performances of a silicon photonics optical switch matrix fabricated by using large scale 3D integration. The wavelength selective optical switch consists of a photonic integrated circuit (PIC), with 1398 circuit ele…
View article: Low-Power-Consumption Integrated Tunable Filters for WDM Switching Applications in Silicon Photonics
Low-Power-Consumption Integrated Tunable Filters for WDM Switching Applications in Silicon Photonics Open
We present the experimental results of thermally tunable double microring resonator devices for integrated wavelength division multiplexing applications. The devices demonstrated a free-spectral range up to 2.4 THz (19.2 nm) around 1550 nm…