Large optical Kerr signal of GaAs/AlAs m
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Ken Morita; Tomoya Takahashi; Toshiyuki Kanbara; Shinsuke Yano; Takuya Mukai; Ta
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Article
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2010
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Elsevier Science
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English
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A strong and ultrafast optical Kerr signal at 1:5 mm has been demonstrated in a GaAs/AlAs multilayer cavity containing self-assembled InAs quantum dots (QDs) embedded in strain-relaxed In 0:35 Ga 0:65 As barriers. Time-resolved optical measurements using 100 fs pulses with 100 kHz repetition rate we