Measurement of the interwell carrier transport lifetime in multiquantum-well optical amplifiers by polarization-resolved four-wave mixing | Zendy

Roberto Paiella | Zendy; G. Hunziker | Zendy; Kerry J. Vahala | Zendy; U. Koren | Zendy

Open Access

Measurement of the interwell carrier transport lifetime in multiquantum-well optical amplifiers by polarization-resolved four-wave mixing

Author(s) -

Roberto Paiella,

G. Hunziker,

Kerry J. Vahala,

U. Koren

Publication year - 1996

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.117840

Subject(s) - polarization (electrochemistry) , mixing (physics) , four wave mixing , amplifier , carrier lifetime , quantum well , optics , spectroscopy , optical amplifier , physics , optoelectronics , materials science , chemistry , nonlinear optics , laser , silicon , cmos , quantum mechanics

Polarization‐resolved four‐wave mixing spectroscopy is used to study interwell carrier dynamics in an alternating‐strain multiquantum‐well optical amplifier. The experimental data are found to be in good agreement with a simple model based on quantum capture/escape and diffusion processes. The results suggest that the interwell transport in this structure is mainly limited by carrier escape, and give an estimate of 16 ps for the overall transport lifetime.

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