Nature Search

Slow-light-enhanced gain in active photonic crystal waveguides

Slow-light propagation provides the means to enhance and control light–matter interactions and it has been predicted to increase the gain coefficient of active waveguides. Here, Ek et al.experimentally demonstrate that the gain of a material can be enhanced using slow-light effects in photonic crystals.

Sara Ek
Per Lunnemann
Jesper Mork
Research30 Sept 2014
Nature Communications

Volume: 5, P: 1-8
Erratum: Slow-light-enhanced gain in active photonic crystal waveguides

Sara Ek
Per Lunnemann
Jesper Mork
Amendments and Corrections30 Jan 2015
Nature Communications

Volume: 6, P: 1
Publisher Correction: Ultra-coherent Fano laser based on a bound state in the continuum

Yi Yu
Aurimas Sakanas
Jesper Mørk
Amendments and Corrections26 Aug 2021
Nature Photonics

Volume: 15, P: 788
Single-source chip-based frequency comb enabling extreme parallel data transmission

By seeding a non-resonant aluminium-gallium-arsenide-on-insulator nanowaveguide with 10-GHz picosecond pulses at a low pump power of 85 mW, a single energy-efficient frequency comb source carrying 661 Tbit s^–1 of data, equivalent to more than the total Internet traffic today, is achieved.

Hao Hu
Francesco Da Ros
Leif K. Oxenløwe
Research02 Jul 2018
Nature Photonics

Volume: 12, P: 469-473
Demonstration of a self-pulsing photonic crystal Fano laser

Fano interference and nonlinearity are exploited to achieve self-pulsing of a laser at gigahertz frequencies.

Yi Yu
Weiqi Xue
Jesper Mork
Research12 Dec 2016
Nature Photonics

Volume: 11, P: 81-84
Super-broadband on-chip continuous spectral translation unlocking coherent optical communications beyond conventional telecom bands

Continuous spectral translation could allow expansion of the bandwidth available for communication without having to develop transceivers for the new bands. Here, the authors demonstrate this using AlGaAsOI nanowaveguides as spectral translators between the mature telecom C band and the 2-μm wavelength band.

Deming Kong
Yong Liu
Hao Hu
ResearchOpen Access16 Jul 2022
Nature Communications

Volume: 13, P: 1-8
Integrated optical vortex microcomb

Microring-based vortex combs with each comb line carrying a distinct orbital angular momentum generate light springs with time-varying orbital angular momenta.

Bo Chen
Yueguang Zhou
Jin Liu
Research29 Mar 2024
Nature Photonics

Volume: 18, P: 625-631
High-throughput quantum photonic devices emitting indistinguishable photons in the telecom C-band

An efficient way of realising a large number of telecom single-photon emitters for quantum communication is still missing. Here, the authors use a wide-field imaging technique for fast localization of single InAs/InP quantum dots, which are then integrated into circular Bragg grating cavities featuring high single-photon purity and indistinguishability.

Paweł Holewa
Daniel A. Vajner
Elizaveta Semenova
ResearchOpen Access18 Apr 2024
Nature Communications

Volume: 15, P: 1-9
Ultra-coherent Fano laser based on a bound state in the continuum

Quantum noise is suppressed by a bound state in the continuum (BIC) approach, enabling a microlaser with narrow linewidth compared to other small lasers.

Yi Yu
Aurimas Sakanas
Jesper Mørk
Research12 Aug 2021
Nature Photonics

Volume: 15, P: 758-764
Widely-tunable, multi-band Raman laser based on dispersion-managed thin-film lithium niobate microring resonators

Extending the spectral range of on-chip tunable Raman laser is challenging due to the limited Raman frequency shifts and pump tuning bandwidth. The authors combine the dispersion engineering of thin film lithium niobate with cascaded Raman lasing to realize a widely tunable laser with 335-nm spectral extension and sub-milliwatt threshold.

Yanjing Zhao
Xiaoyue Liu
Minhao Pu
ResearchOpen Access02 Dec 2023
Communications Physics

Volume: 6, P: 1-10
Near-critical Stranski-Krastanov growth of InAs/InP quantum dots

Yury Berdnikov
Paweł Holewa
Elizaveta Semenova
ResearchOpen Access10 Oct 2024
Scientific Reports

Volume: 14, P: 1-9

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