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Proceedings Paper

Analysis of femtosecond self-polarization modulation in semiconductor optical amplifier
Author(s): Mao-tong Liu; Ai-ying Yang; Yu-nan Sun
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Paper Abstract

Based on a three-band model, a new theoretical model is derived to describe the self-polarization modulation (SPolM) effect in semiconductor optical amplifier (SOA) on femtosecond time-scale. In the case of SPolM, the phase difference between the TE and the TM modes is created by the signal itself and results in changes of polarization states of the signal. Numerical experiments are carried out to analyze the gain and the signal induced phase shift when an ultrashort optical pulse injected into a tensile strained SOA. The higher injected power can induce a larger phase shift. The polarization-dependent effect has much more influences on strong optical pulses.

Paper Details

Date Published: 19 November 2007
PDF: 12 pages
Proc. SPIE 6782, Optoelectronic Materials and Devices II, 67820A (19 November 2007); doi: 10.1117/12.745848
Show Author Affiliations
Mao-tong Liu, Beijing Institute of Technology (China)
Ai-ying Yang, Beijing Institute of Technology (China)
Yu-nan Sun, Beijing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6782:
Optoelectronic Materials and Devices II
Yoshiaki Nakano, Editor(s)

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