Modeling the lasing spectra of InAs/InP quantum dash lasers

MZM Khan, TK Ng, U Schwingenschlogl… - Applied Physics …, 2011 - pubs.aip.org
… temperature lasing spectra of an InAs/InP Qdash laserlasing spectra calculated by identifying
the central wavelength at the FWHM of the lasing spectra of a similar InAs/InP Qdash laser

Wavelength tuning and emission width widening of ultrabroad quantum dash interband laser

CL Tan, HS Djie, Y Wang, CE Dimas… - Applied Physics …, 2008 - pubs.aip.org
… in different dots/dashes have shown interesting phenomena of lasing spectra. This unique
feature of dot/dash can be well studied from the evolution of state-filling spectroscopy at 77 K …

Recent Advances on InAs/InP Quantum Dash Based Semiconductor Lasers and Optical Amplifiers Operating at 1.55 m

F Lelarge, B Dagens, J Renaudier… - IEEE Journal of …, 2007 - ieeexplore.ieee.org
… We investigate both InAs/InP dashes in a barrier and dashes in a well (DWELL) … 8 shows
an example of lasing spectra for both dots in a barrier and DWELL structures in a broad spectral

Investigation of chirped InAs/InGaAlAs/InP quantum dash lasers as broadband emitters

MZM Khan, TK Ng, CS Lee… - IEEE Journal of …, 2013 - ieeexplore.ieee.org
… Our results show formation of low intensity gap in the QCW lasing spectrum (spectral split) …
in the SPW and QCW lasing bandwidth from W > 4 µm ridge/oxide-strip laser, indicating the …

Effect of temperature and ridge-width on the lasing characteristics of InAs/InP quantum-dash lasers: a thermal analysis view

E Alkhazraji, MTA Khan, AM Ragheb… - Optics & Laser …, 2018 - Elsevier
… (a) LI characteristic of 2 × 700 µm 2 chirped Qdash ridge-waveguide laser whose lasing
spectra at varying current injections (1.0I th , 1.2–8.2I th in steps of 0.4I th ) are shown at different …

Distinct lasing operation from chirped InAs/InP quantum-dash laser

MZM Khan, TK Ng, CS Lee, DH Anjum… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
… For simplicity, we divide the lasing spectra into three regions A, B, and C (low, … spectral
split is observed. This further supports our attribution of three dash groups governing the lasing

Spectral analysis of quantum-dash lasers: Effect of inhomogeneous broadening of the active-gain region

MZM Khan, TK Ng… - IEEE Journal of …, 2012 - ieeexplore.ieee.org
… Moreover, the above conclusion also supports the recent experimental studies of the cavity
effect on the lasing spectra of InAs/InP lasers [6], where the authors attribute the red shift …

Long-wavelength InP-based quantum-dash lasers

R Schwertberger, D Gold… - IEEE Photonics …, 2002 - ieeexplore.ieee.org
dashes the spectral gain is broadened. In Fig. 3, room-temperature electroluminescence
spectra are shown for a QD laserlasing can be seen by the drastical narrowing of the spectrum. …

Chirped InAs/InP quantum-dash laser with enhanced broad spectrum of stimulated emission

MZM Khan, TK Ng, CS Lee, P Bhattacharya… - Applied Physics …, 2013 - pubs.aip.org
… almost no red shift in the lasing spectra indicates negligible heating effects. The increase in
the FWHM suggests collective lasing action from dashes with different geometries, attributed …

Experimental and theoretical study of InAs/InGaAsP/InP quantum dash lasers

SC Heck, S Osborne, SB Healy… - IEEE journal of …, 2009 - ieeexplore.ieee.org
… 4, we are able to interpret the features of the E-PV spectra as originating from the dash
the lasing threshold, to avoid any scattered laser light. The SE spectra are corrected for spectral