Quantum Dot Amplifiers

Jianming Tang, Junying Tang

曾凤 Zeng Feng, 张振娟 Zhang Zhenjuan

HC Wong, JM Rorison

Takashi Kita, P. Jayavel, Hirokazu Tanaka +8 more

Polarization insensitivity of InAs/GaAs quantum dot optical amplifier has been demonstrated by controlling dot shape. This polarization insensitivity covers a bandwidth in excess of 40 nm.

Vitaliy V. Shtykov, Sergey M. Smolskiy

Paola Borri, Stephan Schneider, W. Langbein +7 more

The ultrafast gain dynamics measured with femtosecond resolution in InAs-based quantum dot amplifiers are presented. An ultrafast gain recovery of the dot ground-state transition under electrical injection is measured, promising for high-speed applications.