释义 |
self-phase modulation
self-phase modulation[¦self ‚fāz ‚mäj·ə′lā·shən] (optics) The temporal action of a medium whose index of refraction increases with increasing optical intensity on time-varying optical signals or pulses, whereby the rising front edge of the pulse is shifted to lower frequencies and the rear of the pulse is shifted to higher frequencies. AcronymsSeeSPM |