Effect of cylindrical geometry on the wet thermal oxidation of AlAs [PDF]
We have investigated the wet thermal oxidation of AlAs in cylindrical geometry, a typical configuration for vertical-cavity surface-emitting lasers.
Alonzo, A. C. +2 more
core +1 more source
Reduced Dimensionality Multiphysics Model for Efficient VCSEL Optimization
The ICT scene is dominated by short-range intra-datacenter interconnects and networking, requiring high speed and stable operations at high temperatures.
Alberto Gullino +4 more
doaj +1 more source
Coupling of polarization and spatial degrees of freedom of highly divergent emission in broad-area square vertical-cavity surface-emitting lasers [PDF]
The polarization of highly divergent modes of broad-area square vertical-cavity surface-emitting lasers is shown to be only marginally affected by material anisotropies but determined by an interplay of the polarization properties of the Bragg cavity ...
H.-J. Stoeckmann +5 more
core +1 more source
Breakthroughs in Semiconductor Lasers
The latest breakthroughs on the frontiers of semiconductor laser capabilities are presented. Achievements including the impressive advances in high-speed lasers with low pJ/bit energy consumption, high-power vertical external cavity surface emitting ...
Mark T. Crowley +2 more
doaj +1 more source
Birefringence controlled room-temperature picosecond spin dynamics close to the threshold of vertical-cavity surface-emitting laser devices [PDF]
We analyze the spin-induced circular polarization dynamics at the threshold of vertical-cavity surface-emitting lasers at room-temperature using a hybrid excitation combining electrically pumping without spin preference and spin-polarized optical ...
Ackemann, T. +5 more
core +1 more source
Second-harmonic distortion in vertical-cavity surface-emitting lasers with lateral loss effects [PDF]
The influence of lateral loss effects on the second-harmonic distortion (SHD) of vertical-cavity surface-emitting lasers is investigated theoretically.
Chui, PC, Yu, SF
core +1 more source
Though necessary and advantageous in many fields, the high coherence of lasers is detrimental to their performance in certain applications, including illumination, imaging, and projection.
Omar Alkhazragi +9 more
doaj +1 more source
Bistability conditions between lasing and non-lasing states for vertical-cavity surface-emitting lasers with frequency-selective optical feedback [PDF]
This paper gives analytical treatment and experimental details on on/off-bistability in vertical-cavity surface-emitting lasers with frequency-selective feedback by a grating.
Ackemann, Thorsten +3 more
core +1 more source
High-Speed Buried Tunnel Junction Vertical-Cavity Surface-Emitting Lasers
InP-based, vertical-cavity surface-emitting lasers (VCSELs) utilizing a buried tunnel junction (BTJ) emitting at 1.55 μm with improved active region and reduced parasitics are demonstrated.
Werner Hofmann
doaj +1 more source
Geometrical contacts of a double mesa structure with 16 rows ×15 columns arrays of top emitting GaAs based 980 nm vertical cavity surface emitting lasers (VCSELs) are fabricated and characterized.
Faten A. Chaqmaqchee
doaj +1 more source

