Covalent and non-covalent functionalized nanomaterials for environmental restoration

S Zhang, S Malik, N Ali, A Khan, M Bilal… - Topics in Current …, 2022 - Springer
Nanotechnology has emerged as an extraordinary and rapidly develo** discipline of
science. It has remolded the fate of the whole world by providing diverse horizons in different …

Optical information processing using dual state quantum dot lasers: complexity through simplicity

B Kelleher, M Dillane, EA Viktorov - Light: Science & Applications, 2021 - nature.com
We review results on the optical injection of dual state InAs quantum dot-based
semiconductor lasers. The two states in question are the so-called ground state and first …

Parallel time-delay reservoir computing with quantum dot lasers

JY Tang, BD Lin, J Yu, X He… - IEEE Journal of Quantum …, 2022 - ieeexplore.ieee.org
A semiconductor laser with optical feedback and optical injection is an appealing scheme to
construct the time-delay reservoir computing (TDRC) networks. Quantum dot (QD) lasers are …

Integrated multi-wavelength lasers for all-optical processing of ultra-high frequency signals

M Virte, P Marin-Palomo - Applied Physics Letters, 2023 - pubs.aip.org
Semiconductor lasers are nowadays simply unavoidable and essential light sources. While
their complexity and dynamical behavior have attracted some attention from a fundamental …

Enhanced dynamic performance of quantum dot semiconductor lasers operating on the excited state

C Wang, B Lingnau, K Lüdge, J Even… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
The modulation dynamics and the linewidth enhancement factor of excited-state (ES) lasing
quantum dot (QD) semiconductor lasers are investigated through a set of improved rate …

Optical noise of dual-state lasing quantum dot lasers

Y Zhou, J Duan, F Grillot, C Wang - IEEE Journal of Quantum …, 2020 - ieeexplore.ieee.org
This paper theoretically investigates the optical noise characteristics of the simultaneous
ground-state (GS) and excited-state (ES) lasing quantum dot lasers. The optical noise …

Switching between ground and excited states by optical feedback in a quantum dot laser diode

M Virte, S Breuer, M Sciamanna, K Panajotov - Applied Physics Letters, 2014 - pubs.aip.org
We demonstrate switching between ground state and excited state emission in a quantum-
dot laser subject to optical feedback. Even though the solitary laser emits only from the …

Optical noise characteristics of injection-locked epitaxial quantum dot lasers on silicon

Q Chu, S Zhao, J Wang, Y Sun, Y Yao, X Xu, F Grillot… - Optics …, 2023 - opg.optica.org
This work theoretically investigates the relative intensity noise (RIN) and spectral linewidth
characteristics of epitaxial quantum dot (QD) lasers on silicon subject to optical injection …

Relative intensity noise of InAs quantum dot lasers epitaxially grown on Ge

YG Zhou, C Zhou, CF Cao, JB Du, Q Gong, C Wang - Optics Express, 2017 - opg.optica.org
We report the relative intensity noise (RIN) characteristics of an InAs quantum dot (Qdot)
laser epitaxially grown on the Ge substrate. It is found that the minimum RIN of the Ge-based …

Contribution of off-resonant states to the phase noise of quantum dot lasers

C Wang, JP Zhuang, F Grillot, SC Chan - Optics express, 2016 - opg.optica.org
The phase noise of quantum dot lasers is investigated theoretically by coupling the
Langevin noise sources into the rate equations. The off-resonant populations in the excited …