1) directly modulated lasers 直接凋制激光器2) laser direct manufacturing 激光直接制造 1. Four aspects of materials research on laser direct manufacturing technology were summarized:realizing of the properties from commercial alloy powder to complex metal parts,fabricating of gradient materials and ...
Directly modulated semiconductor lasers (DMLs) with surface high-order grating have been designed, fabricated and measured. The output powers under different temperatures were measured, and there are almost no kinks among all the light-power curves. The threshold current is 22 mA with a slope ...
Chaos in a directly modulated semiconductor laser The fundamental possibility of chaos generation in directly modulated semiconductor lasers is studied on the basis of the rate equation with the form of a ... Y Hori,H Serizawa,H Sato - Optical Society of America, Journal, B: Optical Physics (...
Nonlinear Dynamics in Directly Modulated Semiconductor Lasers with Optical Loop Mirror FeedbackNonlinear DynamicsNonlinear Loop MirrorPulse MultiplicationOptical ChaoticAnd Pulse Mode LockingThe investigation of the nonlinear dynamics of a semiconductor laser based on nonlinear optical loop mirror (NOLM) feed...
Bidirectional communication using delay coupled chaotic directly modulated semiconductor lasers - Krishna, John, et al. - 2010 () Citation Context ...e simulation runs (about 10%) with large values of CFs. Similar dynamics has been reported for several other coupled chaotic systems (like Rossler ...
Increasing the modulation speed of semiconductor lasers has attracted much attention from the viewpoint of both physics and the applications of lasers. Here we propose a membrane distributed reflector laser on a low-refractive-index and high-thermal-cond
In this work we have demonstrated a simplified approach to MDI-QKD by employing directly modulated semiconductor lasers at gigahertz clock rates, enabling high-speed quantum communication without detector vulnerabilities. Coherent states are encoded by varying the electrical waveforms that are applied to ...
quantum well lasers/ carrier heatingmodulation responsechirp responseThis paper examines the effect of carrier heating due to hot carrier injection in directly modulated semiconductor laser diodes. Using a single-mode rate equation model including an equation for the energy stored in the conduction band...
Relations are derived concerning the inherent connection between frequency deviations and the optical power wave-form of a directly modulated semiconductor laser, providing for the first time a quantitative assessment of inherent optical fibre dispersion penalties of directly modulated lasers. The relations ...
A new effect of transient mode competition in directly modulated DFB laser based on equivalent phase-shift(EPS) technique is presented and studied. Since there are multi-order reflections in EPS structure and if the 0th order subgrating is properly designed, the transient lasing of 0th order ...