Femtosecond degenerate four-wave mixing in 350 um undoped and n-type InP due to virtual third-order polarization

Sungkyu Yu

doi:10.1117/12.2316116

1 September 1996 Femtosecond degenerate four-wave mixing in 350 μm undoped and n-type InP due to virtual third-order polarization

Sungkyu Yu

Author Affiliations +

Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 2778BV (1996) https://doi.org/10.1117/12.2316116
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of

Abstract

We performed femtosecond two-beam self-diffracted four-wave mixing (FWM) experiment[1,2] in 350 μm undoped and n-type InP at 10 K using a self-modelocked Ti:sapphire laser under below the band gap excitation condition where no absorption occurs. We found strong FWM signal even though no real population is created. Fig. 1 shows the spectrally resolved (SR) FWM signal for 350 μm undoped (a) and n-type (b) at below the band gap of 1.3328 eV (approximate band gap of an undoped InP is 1.41 eV) as a function of time delay T. The excitation laser spectrum is shown as broken line.

Citation Download Citation

Sungkyu Yu "Femtosecond degenerate four-wave mixing in 350 μm undoped and n-type InP due to virtual third-order polarization", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 2778BV (1 September 1996); https://doi.org/10.1117/12.2316116

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