✦ LIBER ✦

Carrier-envelope phase dependence of the duration of generated solitons for few-cycle rectangular laser pulses propagation

✍ Scribed by Haifeng Yao; Yueping Niu; Yandong Peng; Shangqing Gong

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 702 KB
Volume: 284
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2011.04.018

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✦ Synopsis

We investigate the nonlinear propagation of few-cycle rectangular laser pulses on resonant intersubband transitions in semiconductor quantum wells using an iterative predictor-corrector finite-difference timedomain method. An initial 2π rectangular pulse will split into Sommerfeld-Brillouin precursors and a selfinduced transparency soliton during the course of propagation. The duration of generated soliton depends on the carrier-envelope phase of the incident pulse. In our case, not only the near-resonant frequency components but also the low frequency components could contribute to the generation of the soliton pulse when the condition of multi-photon resonance is satisfied. The phase-sensitive property of the solitons results from the phase-dependent distribution of high and low frequency sidebands of few-cycle rectangular pulses.

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