Òskar Bjarki Helgason

Showing 41 publications

2024

Self-injection-locked optical parametric oscillator based on microcombs

Fuchuan Lei, Yi Sun, Òskar Bjarki Helgason et al
Optica. Vol. 11 (3), p. 420-426
Journal article
2024

Narrow-linewidth and tunable parametric oscillator

Fuchuan Lei, Yi Sun, Òskar Bjarki Helgason et al
CLEO: Science and Innovations, CLEO: S and I 2024 in Proceedings CLEO 2024, Part of Conference on Lasers and Electro-Optics
Paper in proceeding
2024

Active feedback stabilization of super-efficient microcombs in photonic molecules

Israel Rebolledo Salgado, Òskar Bjarki Helgason, Vicente Andrés Durán Bosch et al
Optics Letters. Vol. 49 (9), p. 2325-2328
Journal article
2024

Wafer-Scale Manufacturing of Photonic Molecule Microcombs

Marcello Girardi, Carmen Haide López Ortega, Òskar Bjarki Helgason et al
CLEO: Science and Innovations, CLEO: S and I 2024 in Proceedings CLEO 2024, Part of Conference on Lasers and Electro-Optics
Paper in proceeding
2024

Multi-comb Interferometry Using Photonic Molecule Microcombs

Israel Rebolledo Salgado, Marcello Girardi, Òskar Bjarki Helgason et al
CLEO: Science and Innovations, CLEO: S and I 2024 in Proceedings CLEO 2024, Part of Conference on Lasers and Electro-Optics
Paper in proceeding
2023

Platicon dynamics in photonic molecules

Israel Rebolledo Salgado, Clara Quevedo-Galán, Òskar Bjarki Helgason et al
Communications Physics. Vol. 6 (1)
Journal article
2023

Hyperparametric Oscillation via Bound States in the Continuum

Fuchuan Lei, Zhichao Ye, Krishna Sundar Twayana et al
Physical Review Letters. Vol. 130 (9)
Journal article
2023

Thermorefractive noise reduction of photonic molecule frequency combs using an all-optical servo loop

Connor Skehan, Anamika Nair Karunakaran, Poul Varming et al
Optics Express. Vol. 31 (21), p. 35208-35217
Journal article
2023

Thermally stable initiation of dissipative Kerr solitons in photonic molecules

Òskar Bjarki Helgason, Marcello Girardi, Zhichao Ye et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper in proceeding
2023

3D Integration of Microcombs

Marcello Girardi, Òskar Bjarki Helgason, Alexander Caut et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper in proceeding
2023

Multi-Heterodyne Differential Phase Measurement of Microcombs

Krishna Sundar Twayana, Israel Rebolledo Salgado, Marcello Girardi et al
2023 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)
Paper in proceeding
2023

Stable soliton comb from dual ring microresonators

Anamika Nair Karunakaran, Angelo Manetta, Poul Varming et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper in proceeding
2023

Power-efficient hyperparametric oscillation via bound states in the continuum

Fuchuan Lei, Zhichao Ye, Krishna Sundar Twayana et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper in proceeding
2023

Thermal-Controlled Scanning of a Bright Soliton in a Photonic Molecule

Israel Rebolledo Salgado, Vicente Andrés Durán Bosch, Òskar Bjarki Helgason et al
2023 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2023
Paper in proceeding
2023

Multilayer integration in silicon nitride: decoupling linear and nonlinear functionalities for ultralow loss photonic integrated systems

Marcello Girardi, Òskar Bjarki Helgason, Alexander Caut et al
Optics Express. Vol. 31 (19), p. 31435-31446
Journal article
2023

Surpassing the nonlinear conversion efficiency of soliton microcombs

Òskar Bjarki Helgason, Marcello Girardi, Zhichao Ye et al
Nature Photonics. Vol. 17 (11), p. 992-999
Journal article
2022

High-efficiency dissipative Kerr solitons in microresonators

Òskar Bjarki Helgason
Doctoral thesis
2022

Power-efficient soliton microcombs in anomalous-dispersion photonic molecules

Òskar Bjarki Helgason, Marcello Girardi, Zhichao Ye et al
Optics InfoBase Conference Papers
Paper in proceeding
2022

Petabit-per-second data transmission using a chip-scale microcomb ring resonator source

A. A. Jorgensen, D. Kong, M. R. Henriksen et al
Nature Photonics. Vol. 16 (11), p. 798-802
Journal article
2022

Linear Broadband Differential Phase Measurement of Soliton Microcombs

Krishna Sundar Twayana, Fuchuan Lei, Zhichao Ye et al
Optics InfoBase Conference Papers
Paper in proceeding
2022

Photonic molecule microcombs at 50 GHz repetition rate

Israel Rebolledo Salgado, Òskar Bjarki Helgason, Zhichao Ye et al
Optics InfoBase Conference Papers
Paper in proceeding
2022

Widely tunable narrow linewidth laser source based on photonic molecule microcombs and optical injection locking

Connor Skehan, Òskar Bjarki Helgason, Jochen Schröder et al
Optics Express. Vol. 30 (13), p. 22388-22395
Journal article
2022

Optical linewidth of soliton microcombs

Fuchuan Lei, Zhichao Ye, Òskar Bjarki Helgason et al
Nature Communications. Vol. 13 (1)
Journal article
2022

Widely Tunable and Narrow Linewidth Laser Source based on Normal-Dispersion Frequency Combs and Optical Injection Locking

Connor Skehan, Òskar Bjarki Helgason, Jochen Schröder et al
Optics InfoBase Conference Papers
Paper in proceeding
2022

Differential phase reconstruction of microcombs

Krishna Sundar Twayana, Fuchuan Lei, Zhichao Ye et al
Optics Letters. Vol. 47 (13), p. 3351-3354
Journal article
2021

Frequency-comb-calibrated swept-wavelength interferometry

Krishna Sundar Twayana, Zhichao Ye, Òskar Bjarki Helgason et al
Optics Express. Vol. 29 (15), p. 24363-24372
Journal article
2021

Switching dynamics of dark-pulse Kerr frequency comb states in optical microresonators

Seyedeh Bentolhoda Nazemosadat Arsanjani, Attila Fülöp, Òskar Bjarki Helgason et al
Physical Review A. Vol. 103 (1)
Journal article
2021

Frequency-Comb-Assisted Swept-Wavelength Interferometry

Krishna Sundar Twayana, Zhichao Ye, Òskar Bjarki Helgason et al
2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021
Paper in proceeding
2021

Bidirectional initiation of dissipative solitons in photonic molecules

Òskar Bjarki Helgason, Zhichao Ye, Jochen Schröder et al
2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021. Vol. June 2021
Paper in proceeding
2021

Dissipative solitons in photonic molecules

Òskar Bjarki Helgason, Francisco Rodrigo Arteaga Sierra, Zhichao Ye et al
Nature Photonics. Vol. 15 (4), p. 305-310
Journal article
2020

Dark-pulse Kerr combs in linearly coupled microring structures

Òskar Bjarki Helgason, Zhichao Ye, Krishna Sundar Twayana et al
Optics InfoBase Conference Papers. Vol. Part F183-CLEO-SI 2020
Paper in proceeding
2020

Single Dark-Pulse Kerr Comb Supporting 1.84 Pbit/s Transmission over 37-Core Fiber

D. Kong, A. A. Jorgensen, M. R. Henriksen et al
Conference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS. Vol. 2020-May
Paper in proceeding
2019

Laser Frequency Combs for Coherent Optical Communications

Victor Torres Company, Jochen Schröder, Attila Fülöp et al
Journal of Lightwave Technology. Vol. 37 (7), p. 1663-1670
Journal article
2019

Hot-Cavity Spectroscopy of Dark Pulse Kerr Combs in Microresonators

Seyedeh Bentolhoda Nazemosadat Arsanjani, Attila Fülöp, Òskar Bjarki Helgason et al
2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019. Vol. June 2019
Paper in proceeding
2019

Low-loss high-Q silicon-rich silicon nitride microresonators for Kerr nonlinear optics

Zhichao Ye, Attila Fülöp, Òskar Bjarki Helgason et al
Optics Letters. Vol. 44 (13), p. 3326-3329
Journal article
2019

Superchannel engineering of microcombs for optical communications

Òskar Bjarki Helgason, Attila Fülöp, Jochen Schröder et al
Journal of the Optical Society of America B: Optical Physics. Vol. 36 (8), p. 2013-2022
Journal article
2019

Switching Dynamics of Dark Solitons in Kerr Microresonators

Seyedeh Bentolhoda Nazemosadat Arsanjani, Attila Fülöp, Òskar Bjarki Helgason et al
Optics InfoBase Conference Papers. Vol. Part F143-EQEC 2019
Paper in proceeding
2018

High-order coherent communications using mode-locked dark-pulse Kerr combs from microresonators

Attila Fülöp, Mikael Mazur, Abel Lorences Riesgo et al
Nature Communications. Vol. 9 (1)
Journal article
2018

Low Loss Silicon-Rich Silicon Nitride for Nonlinear Optics

Zhichao Ye, Attila Fülöp, Òskar Bjarki Helgason et al
2018 Conference on Lasers and Electro-Optics, CLEO 2018 - Proceedings
Paper in proceeding
2018

Superchannel Engineering with Microresonator Combs

Òskar Bjarki Helgason, Attila Fülöp, Jochen Schröder et al
2018 Conference on Lasers and Electro-Optics, CLEO 2018
Paper in proceeding

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