self-phase modulation

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• 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

• 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

• 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 variation de l indice de… …   Wikipédia en Français

• 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

• 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 variation de l indice de… …   Wikipédia en Français

• 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

• Soliton (optics) — In optics, the term soliton is used to refer to any optical field that does not change during propagation because of a delicate balance between nonlinear and linear effects in the medium. There are two main kinds of solitons: spatial solitons:… …   Wikipedia

• Mamyshev 2R regenerator — The Mamyshev 2R regenerator is an all optical regenerator used in optical communications. In 1998, Pavel V. Mamyshev of Bell Labs proposed and patented the use of the self phase modulation (SPM) for single channel optical pulse reshaping and re… …   Wikipedia

• 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

• Nonlinear optics — (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed… …   Wikipedia