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13 results on '"Pasquazi A"'

1. Laser Cavity-Solitons and Turing Patterns Microcombs: the Interaction of Slow and Fast Nonlinearities

Author

Alessia Pasquazi, Maxwell Rowley, Pierre Henry Hanzard, Antonio Cutrona, Sai T. Chu, Brent E. Little, Roberto Morandotti, David J. Moss, Juan Sebastian Totero Gongora, and Marco Peccianti

Abstract

Slow nonlinearities are critical in microresonator-based frequency combs, regulating essential phenomena, from stability to soliton starting and formation. We discuss their effect in a microresonator-filtered fiber laser.

Published
2022
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3. Emergence of Laser Cavity-Solitons in a Microresonator-Filtered Fiber Laser

Author

Pierre-Henry Hanzard, Marco Peccianti, Juan Sebastian Totero Gongora, Brent E. Little, David J. Moss, Antonio Cutrona, Maxwell Rowley, Sai T. Chu, Roberto Morandotti, and Alessia Pasquazi

Subjects
Optical amplifier, Materials science, business.industry, Physics::Optics, Laser, law.invention, Nonlinear system, Aerospace electronics, law, Optical frequencies, Optical cavity, Driving current, Fiber laser, Optoelectronics, business, Nonlinear Sciences::Pattern Formation and Solitons
Abstract

In an open nonlinear system, emergent complex structures are generally determined by a set of global parameters. Cavity-solitons are an example of such structures and, in their temporal form, have seeded the last decade of major developments in microresonator-based optical frequency combs. These optical pulses typically require complex procedures and external feedback to be induced and maintained. Recent progress has seen the microresonators directly embedded into a laser cavity [1] , [2] where it is possible to simply initiate cavity-soliton formation by increasing the laser-diode driving current [3] . Hybrid laser-microresonator schemes have been considered since 2012 [4] , and extremely efficient laser cavity-solitons have been experimentally and theoretically demonstrated in a laser microcomb [5] .

Published
2021
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4. Phase-matching-free Two-color Terahertz Emission from Quasi-2D media

Author

Jacob Tunesi, Marco Peccianti, Matteo Clerici, Luke Peters, Alessia Pasquazi, Vittorio Cecconi, and Juan Sebastian Totero Gongora

Subjects
Physics, business.industry, Terahertz radiation, Physics::Optics, Nonlinear optics, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Semiconductor laser theory, Optical rectification, Optics, Semiconductor, Electric field, Stimulated emission, business, Absorption (electromagnetic radiation)
Abstract

We provide the first demonstration of two-color optical rectification from semiconductors in an extreme absorption regime. The THz generation is free from phase-matching constraints due to the confinement of the interaction within a 25-atomic-layer region.

Published
2021
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8. Real-Time Study of Coexisting States in Laser Cavity Solitons

Author

Hanzard, Pierre Henry, primary, Rowley, Maxwell, additional, Cutrona, Antonio, additional, Chu, Sai T., additional, Little, Brent E., additional, Morandotti, Roberto, additional, Moss, David J., additional, Wetzel, Benjamin, additional, Gongora, Juan Sebastian Totero, additional, Peccianti, Marco, additional, and Pasquazi, Alessia, additional

Published
2021
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10. Mieroeombs Eased on Laser Cavity Solitons

Author

Pasquazi, Alessia, primary, Eao, Hualong, additional, Rowley, Maxwell, additional, Hazard, Pierre-Henry, additional, Olivieri, Luana, additional, Cutrona, Antonio, additional, Wetzel, Benjamin, additional, Di Lauro, Luigi, additional, Gongora, Juan Sebastian Totero, additional, Chu, Sai T., additional, Little, Erent E., additional, Oppo, Gian-Luea, additional, Morandotti, Roberto, additional, Moss, David J., additional, and Peeeianti, Mareo, additional

Published
2020
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11. Affordable, ultra-broadband coherent detection of terahertz pulses via CMOS-compatible solid-state devices

Author

Andrey Markov, Marco Peccianti, Sze Phing Ho, Luca Razzari, Yoann Jestin, Alessandro Busacca, Mohamed Chaker, Xin Jin, Roberto Morandotti, Anna Mazhorova, Alessia Pasquazi, Sebastien Delprat, Jalil Ali, Matteo Clerici, Alessandro Tomasino, Riccardo Piccoli, Tomasino, A, Mazhorova, A, Clerici, M, Peccianti, M, Ho, SP, Jestin, Y, Pasquazi, A, Markov, A, Jin, X, Piccoli, R, Delprat, S, Chaker, M, Busacca, A, Ali, J, Razzari, L, and Morandotti, R

Subjects
Materials science, business.industry, Terahertz radiation, Spectral density, Second-harmonic generation, Settore ING-INF/02 - Campi Elettromagnetici, 02 engineering and technology, 021001 nanoscience & nanotechnology, Settore ING-INF/01 - Elettronica, 01 natural sciences, Electromagnetic radiation, Terahertz spectroscopy and technology, Optics, Nonlinear optics, Ultrafast optics, Far infrared or terahertz, Solid state detectors, Electric field, 0103 physical sciences, Broadband, Optoelectronics, Heterodyne detection, 010306 general physics, 0210 nano-technology, business
Abstract

We demonstrate the first fully solid-state technique for the coherent detection of ultra-broadband THz pulses (0.1-10 THz), relying on the electric-field-induced second-harmonic generation attained in integrated CMOS-compatible devices.

Published
2017
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12. Affordable, ultra-broadband coherent detection of terahertz pulses via CMOS-compatible solid-state devices

Author

Tomasino, Alessandro, primary, Mazhorova, Anna, additional, Clerici, Matteo, additional, Peccianti, Marco, additional, Ho, Sze-Phing, additional, Jestin, Yoann, additional, Pasquazi, Alessia, additional, Markov, Andrey, additional, Jin, Xin, additional, Piccoli, Riccardo, additional, Delprat, Sebastien, additional, Chaker, Mohamed, additional, Busacca, Alessandro, additional, Ali, Jalil, additional, Razzari, Luca, additional, and Morandotti, Roberto, additional

Published
2017
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13. Asymmetric Dual-Grating Micro-Slit Configuration for Broadband Solid State Coherent Detection of THz Pulses

Author

Mazhorova, Anna, primary, Clerici, Matteo, additional, Peccianti, Marco, additional, Ho, Sze-Phing, additional, Razzari, Luca, additional, Jestin, Yoann, additional, Pasquazi, Alessia, additional, Tomasino, Alessandro, additional, Markov, Andrey, additional, Piccoli, Riccardo, additional, Busacca, Alessandro, additional, Ali, Jalil, additional, and Morandotti, Roberto, additional

Published
2016
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