self-modulation

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• Self-focusing — is a non linear optical process induced by the change in refractive index of materials exposed to intense electromagnetic radiation. [Cumberbatch, E. Self focusing in Non linear optics , J. Inst. Maths Applics 6, 250 (1970)] Mourou, G. A. et al.… …   Wikipedia

• Self-phase modulation — (SPM) is a nonlinear optical effect of light matter interaction.An ultrashort pulse of light, when travelling in a medium, will induce a varying refractive index of the medium due to the optical Kerr effect. This variation in refractive index… …   Wikipedia

• Self-clocking signal — In telecommunications and electronics, a self clocking signal is one that can be decoded without the need for a separate clock signal or other source of synchronization. This is usually done by including embedded synchronization information… …   Wikipedia

• Self-interacting dark matter — In astrophysics self interacting dark matter is a hypothetical form of dark matter consisting of particles with strong self interactions. This type of dark matter was postulated to resolve a number of conflicts between observations and… …   Wikipedia

• Pulse-width modulation — (PWM) of a signal or power source involves the modulation of its duty cycle, to either convey information over a communications channel or control the amount of power sent to a load. PrinciplePulse width modulation uses a square wave whose pulse… …   Wikipedia

• Cross-phase modulation — (XPM) is a nonlinear optical effect where one wavelength of light can affect the phase of another wavelength of light through the optical Kerr effect. Contents 1 Applications of XPM 2 XPM in DWDM applications 3 See also …   Wikipedia

• Auto-modulation de phase — Automodulation de phase L automodulation de phase (self phase modulation, souvent abrégé en SPM) est un effet optique non linéaire d interaction lumière matière. Une impulsion ultra courte, lorsqu elle voyage dans un milieu matériel, induit une… …   Wikipédia en Français

• Modelocking — Mode locking is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10 12s) or femtoseconds (10 15s).The basis of the technique is to induce a fixed phase… …   Wikipedia

• Mode-locking — is a technique in optics by which a laser can be made to produce pulses of light of extremely short duration, on the order of picoseconds (10−12 s) or femtoseconds (10−15 s). The basis of the technique is to induce a fixed phase… …   Wikipedia

• Sound from ultrasound — Contents 1 Parametric array 2 Applications 2.1 Commercial advertising …   Wikipedia

• Kurzweil K2000 — Infobox synthesizer image caption = synth name = K2000 synth manufacturer = Kurzweil synthesis type = polyphony = 24 timbrality = oscillator = filter = attenuator = lfo = keyboard = 61 key mono pressure left control = Mod wheel, Pitch bend ext… …   Wikipedia