Sub-picosecond pulse propagation in quantum dot optical amplifiers

曾凤 Zeng Feng, 张振娟 Zhang Zhenjuan

Nicolai B. Grosse, Nina Owschimikow, Roland Aust +5 more

Pump-probe quantum state tomography was applied to the transmission of a coherent state through an In(Ga)As based quantum dot optical amplifier during the interaction with an optical pump pulse. The Wigner function and the statistical moments of the field were extracted and used to determine the degree of population inversion and the signal-to-noise ratio in a sub-picosecond time window.

Nicolai B. Grosse, Nina Owschimikow, Alexej Koltchanov +5 more

Based on the full characterization of a pulse transmitted through a semiconductor optical amplifier by quantum state tomography, we determine the degree of population inversion and the momentary signal-to-noise ratio at sub-picosecond times and RT.

P. Kondratko, Akira Matsudaira, Shu‐Wei Chang +1 more

Edeltraud Gehrig, Mike van der Poel, D. Birkedal +2 more

M. vanderPoel, Jesper Mørk, M. Hvam

Optically induced dispersion overalarge bandwidth of2.6THzisusedtoslowor speed upa150fspulse inaquantum-dot optical amplifier. A group refractive index change of 4*10-3 isobserved. ©2000 Optical Society ofAmerica OCIScodes: (250.5980) Semiconductor optical amplifiers; (190.5530) Pulse propagation andsolitons