Strong instantaneous contribution in femtosecond degenerate four-wave mixing from 350 μm InP due to virtual excitation

Sungkyu Yu, Jang Hee Chu, Joo In Lee, Dongho Kim, Y. H. Yee, D. S. Kim, Jae Young Leem, Cheul Ro Lee, Jong Hyun Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We have observed strong four-wave mixing (FWM) signals from the third up to the seventh order for a 350 μm undoped InP at 10 K with an excitation at far below the band gap. The third order spectrally resolved FWM signal shifts continuously to blue as time delay moves away from positive to negative. The peak intensities of the third and fifth order time-integrated FWM signals decrease rapidly as the detuning increases, as (detuning)-2 and (detuning)-6, respectively. The FWM signal at far below the band gap is attributable to the strong instantaneous contribution of the excitation pulse.

Original languageEnglish
Pages (from-to)79-81
Number of pages3
JournalApplied Physics Letters
Volume69
Issue number1
DOIs
Publication statusPublished - 1996 Jul 1

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four-wave mixing
excitation
time lag
shift
pulses

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

Yu, Sungkyu ; Chu, Jang Hee ; Lee, Joo In ; Kim, Dongho ; Yee, Y. H. ; Kim, D. S. ; Leem, Jae Young ; Lee, Cheul Ro ; Lee, Jong Hyun. / Strong instantaneous contribution in femtosecond degenerate four-wave mixing from 350 μm InP due to virtual excitation. In: Applied Physics Letters. 1996 ; Vol. 69, No. 1. pp. 79-81.
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abstract = "We have observed strong four-wave mixing (FWM) signals from the third up to the seventh order for a 350 μm undoped InP at 10 K with an excitation at far below the band gap. The third order spectrally resolved FWM signal shifts continuously to blue as time delay moves away from positive to negative. The peak intensities of the third and fifth order time-integrated FWM signals decrease rapidly as the detuning increases, as (detuning)-2 and (detuning)-6, respectively. The FWM signal at far below the band gap is attributable to the strong instantaneous contribution of the excitation pulse.",
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Strong instantaneous contribution in femtosecond degenerate four-wave mixing from 350 μm InP due to virtual excitation. / Yu, Sungkyu; Chu, Jang Hee; Lee, Joo In; Kim, Dongho; Yee, Y. H.; Kim, D. S.; Leem, Jae Young; Lee, Cheul Ro; Lee, Jong Hyun.

In: Applied Physics Letters, Vol. 69, No. 1, 01.07.1996, p. 79-81.

Research output: Contribution to journalArticle

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AU - Yu, Sungkyu

AU - Chu, Jang Hee

AU - Lee, Joo In

AU - Kim, Dongho

AU - Yee, Y. H.

AU - Kim, D. S.

AU - Leem, Jae Young

AU - Lee, Cheul Ro

AU - Lee, Jong Hyun

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AB - We have observed strong four-wave mixing (FWM) signals from the third up to the seventh order for a 350 μm undoped InP at 10 K with an excitation at far below the band gap. The third order spectrally resolved FWM signal shifts continuously to blue as time delay moves away from positive to negative. The peak intensities of the third and fifth order time-integrated FWM signals decrease rapidly as the detuning increases, as (detuning)-2 and (detuning)-6, respectively. The FWM signal at far below the band gap is attributable to the strong instantaneous contribution of the excitation pulse.

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