Modulation Bandwidth and Linewidth Enhancement Factor of High-Speed 1.55-m Quantum-Dash Lasers

S Hein, S Hofling, A Forchel - IEEE Photonics Technology …, 2009 - ieeexplore.ieee.org
… The linewidth enhancement factor above threshold is evaluated by means of the
frequency-modulation/amplitude-modulation method in dependence on modulation frequency and …

On the nature of the linewidth enhancement factor in p-doped quantum dash based lasers

S Joshi, N Chimot, A Ramdane, F Lelarge - Applied Physics Letters, 2014 - pubs.aip.org
… This improvement in performance is strongly observed in line-width enhancement factor. …
This letter discusses the nature line-width enhancement factor of p-doped quantum dash lasers …

Linewidth enhancement factor of quantum-dot optical amplifiers

JMM Vazquez, HH Nilsson, JZ Zhang… - … journal of quantum …, 2006 - ieeexplore.ieee.org
The linewidth enhancement (alpha-) factor of quantum-dot (QD) semiconductor optical
amplifiers in the small signal gain and nonlinear regimes is theoretically investigated. A …

A theoretical analysis of quantum dash structures

JH Wei, KS Chan - Journal of applied physics, 2005 - pubs.aip.org
Quantum dashes have smaller differential gain than quantum wells, while the linewidth
enhancement factors … Due to their broad gain profiles, quantum dashes have much smaller large-…

[HTML][HTML] Influence of the polarization anisotropy on the linewidth enhancement factor and reflection sensitivity of 1.55-μm InP-based InAs quantum dash lasers

B Dong, J Duan, C Shang, H Huang… - Applied Physics …, 2019 - pubs.aip.org
… on the linewidth enhancement factor and the reflection sensitivity of InAs/InP quantum
dash semiconductor lasers. The results show that the small linewidth enhancement factor and …

Impact of temperature on the linewidth enhancement factor of chirped InAs/InP broadband quantum-dash lasers around 1610 nm

MZM Khan - Journal of Nanophotonics, 2019 - spiedigitallibrary.org
… on the differential gain, differential refractive index, and linewidth enhancement factor (α-factor)
of ∼1610-nm chirped barrier thickness multistack InAs quantum-dash (Qdash)-in-a-well …

Orientation dependence of the optical properties in InAs quantum-dash lasers on InP

AA Ukhanov, RH Wang, TJ Rotter, A Stintz… - Applied physics …, 2002 - pubs.aip.org
… and the linewidth enhancement factor for two different orientations of the quantum-confined …
the modal gain and the linewidth enhancement factor at subthreshold current densities for …

Theoretical and experimental study of optical gain, refractive index change, and linewidth enhancement factor of p-doped quantum-dot lasers

J Kim, SL Chuang - IEEE journal of quantum electronics, 2006 - ieeexplore.ieee.org
… in the absence (solid) and presence (dashed) of an external pump with different powers. The
… presence (dashed) of the external pump with different powers. The QD FP laser is biased at …

Gain Compression and Above-Threshold Linewidth Enhancement Factor in 1.3- InAs–GaAs Quantum-Dot Lasers

F Grillot, B Dagens, JG Provost, H Su… - … Journal of Quantum …, 2008 - ieeexplore.ieee.org
… -factor can lead to different values when applied to QD lasers [22]. It is well known that the
so-called linewidth enhancement factor can … Thedrez, “Giant linewidth enhancement factor and …

Theoretical and experimental study of optical gain and linewidth enhancement factor of type-I quantum-cascade lasers

J Kim, M Lerttamrab, SL Chuang… - … journal of quantum …, 2004 - ieeexplore.ieee.org
… gain and the linewidth enhancement factor (LEF) of a type-I quantum-cascade (QC) laser is
reported. QC lasers have a symmetrical gain spectrum because the optical transition occurs …