Results 21 to 30 of about 23,614 (296)
In this study, we propose a solution for realization of surface emitting, 2D array of visible light laser diodes based on AlInGaN semiconductors. The presented system consists of a horizontal cavity lasing section adjoined with beam deflecting section in
Kiran Saba +7 more
doaj +1 more source
Robust, High-speed, All-Optical Atomic Magnetometer [PDF]
A self-oscillating magnetometer based on the nonlinear magneto-optical rotation effect with separate modulated pump and unmodulated probe beams is demonstrated. This device possesses a bandwidth exceeding $1\khz$.
Budker, D., Corsini, E., Higbie, J. M.
core +2 more sources
Design Aspects in Photonic Crystal –Vertical Cavity Surface- Emitting Lasers Diode [PDF]
The design issues for a current injection vertical cavity surface-emitting lasers (VCSEL) operating at 1550 nm is presented using photonic crystal (PC) technology.
Thaira Zakaria Al-Tayyar +1 more
doaj +1 more source
Parasitic Parameters Extraction of High-Speed Vertical-Cavity Surface-Emitting Lasers
Parasitic parameters, including electrical capacity and inductance, are the key limiting factors for bandwidth improvement of high-speed vertical-cavity surface-emitting lasers (VCSELs).
Haixia Tong +5 more
doaj +1 more source
Wafer‐fused 1300 nm VCSELs with an active region based on superlattice
The 1300 nm range vertical‐cavity surface‐emitting lasers with the active region based on InGaAs/InGaAlAs superlattice are fabricated using molecular‐beam epitaxy and the double wafer‐fusion technique. Lasers with the buried tunnel junction diameter of 5
Sergey Blokhin +11 more
doaj +1 more source
Enhancement of mode stability in vertical cavity surface emitting lasers with diffused quantum wells structure [PDF]
The use of diffused quantum well structures to enhance single transverse mode operation in vertical cavity surface emitting GaAs-AlGaAs QW semiconductor lasers is proposed and analyzed theoretically ...
Li, EH, Yu, SF
core +1 more source
Instabilities in Spin-Polarized Vertical-Cavity Surface-Emitting Lasers
We report a first comprehensive theoretical analysis of optically pumped spin-polarized vertical-cavity surface-emitting lasers, which combines the spin-flip model with the largest Lyapunov exponent technique to determine regions of stability and ...
Rihab Al-Seyab +3 more
doaj +1 more source
Multimode vertical-cavity surface-emitting lasers under spin injection [PDF]
Recent research revealed that single-mode vertical-cavity surface-emitting lasers under spin injection (spin-VCSELs) have the potential to revolutionize laser technology for short-haul optical communications. While previous studies have focused solely on
Uliana Diiankova +6 more
doaj +1 more source
Dynamic behavior of vertical-cavity surface-emitting lasers [PDF]
A quasi-three-dimensional dynamic model of index-guided vertical-cavity surface-emitting lasers is developed. Detailed structure of Bragg reflectors and lateral optical confinement are considered into the model.
Yu, SF
core +1 more source
Vertical cavity surface emitting lasers in radio over fiber applications
Theoretical and experimental study of using direct modulated vertical cavity surface emitting lasers in radio over fiber applications is presented. The nonlinear distortion and signal to noise ratio are investigated and evaluated in case of short-range ...
Tamás Marozsák, Eszter Udvary
doaj +1 more source

