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Multimode description of self-mode locking in a single-section quantum-dot laser

Journal Article · · Optics Express
DOI:https://doi.org/10.1364/OE.382821· OSTI ID:1599262

This paper describes a theory for mode locking and frequency comb generation by four-wave mixing in a semiconductor quantum-dot active medium. The derivation uses a multimode semiclassical laser theory that accounts for fast carrier collisions within an inhomogeneous distribution of quantum dots. Numerical simulations are presented to illustrate the role of active medium nonlinearities in mode competition, gain saturation, carrier-induced refractive index and creation of combination tones that lead to locking of beat frequencies among lasing modes in the presence of cavity material dispersion.

Sponsoring Organization:
USDOE Advanced Research Projects Agency - Energy (ARPA-E)
Grant/Contract Number:
NA0003525
OSTI ID:
1599262
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 4 Vol. 28; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

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