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Chapter and Conference Paper
Analyzing Frequency Combs in Multi-section Hybrid Silicon Quantum Dot Laser Using Hanbury Brown-Twiss Measurements
We propose a novel method to characterize mode-locking regimes using a hybrid InAs/GaAs quantum dot frequency comb laser developed on silicon. By implementing Hanbury Brown-Twiss setup, measurements of zero-de...
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Article
Open AccessLinewidth narrowing in self-injection-locked on-chip lasers
Stable laser emission with narrow linewidth is of critical importance in many applications, including coherent communications, LIDAR, and remote sensing. In this work, the physics underlying spectral narrowing...
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Article
Open AccessMid-infrared hyperchaos of interband cascade lasers
Chaos in nonlinear dynamical systems is featured with irregular appearance and with high sensitivity to initial conditions. Near-infrared light chaos based on semiconductor lasers has been extensively studied ...
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Article
Open AccessUncovering recent progress in nanostructured light-emitters for information and communication technologies
Semiconductor nanostructures with low dimensionality like quantum dots and quantum dashes are one of the best attractive and heuristic solutions for achieving high performance photonic devices. When one or mor...
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Article
Open AccessPrivate communication with quantum cascade laser photonic chaos
Mid-infrared free-space optical communication has a large potential for high speed communication due to its immunity to electromagnetic interference. However, data security against eavesdroppers is among the o...
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Article
Open AccessChaotic optical power dropouts driven by low frequency bias forcing in a mid-infrared quantum cascade laser
Mid-infrared quantum cascade lasers operating under external optical feedback and external periodic bias forcing are shown to exhibit a deterministic chaotic pattern composed of frequencies which are linked to...
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Article
Open AccessBeam sha** in high-power broad-area quantum cascade lasers using optical feedback
Broad-area quantum cascade lasers with high output powers are highly desirable sources for various applications including infrared countermeasures. However, such structures suffer from strongly deteriorated be...
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Article
Open AccessThermally insensitive determination of the linewidth broadening factor in nanostructured semiconductor lasers using optical injection locking
In semiconductor lasers, current injection not only provides the optical gain, but also induces variation of the refractive index, as governed by the Kramers-Krönig relation. The linear coupling between the ch...
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Article
Open AccessChaotic light at mid-infrared wavelength
The onset of nonlinear dynamics and chaos is evidenced in a mid-infrared distributed feedback quantum cascade laser both in the temporal and frequency domains. As opposed to the commonly observed route to chao...
