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Journal article

Photonic Crystal Fano Laser: Terahertz Modulation and Ultrashort Pulse Generation

By Mørk, Jesper1,2; Chen, Yaohui; Heuck, Mikkel1,2

From

Department of Photonics Engineering, Technical University of Denmark1

Quantum and Laser Photonics, Department of Photonics Engineering, Technical University of Denmark2

We suggest and analyze a laser with a mirror realized by Fano interference between a waveguide and a nanocavity. For small-amplitude modulation of the nanocavity resonance, the laser can be modulated at frequencies exceeding 1 THz, not being limited by carrier dynamics as for conventional lasers. For larger modulation, a transition from pure frequency modulation to the generation of ultrashort pulses is observed.

The laser dynamics is analyzed by generalizing the field equation for conventional lasers to account for a dynamical mirror, described by coupled mode theory.

Language: English
Year: 2014
Pages: 163901
ISSN: 10797114 and 00319007
Types: Journal article
DOI: 10.1103/PhysRevLett.113.163901
ORCIDs: Mørk, Jesper and Heuck, Mikkel

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