Active and passive mode-locking in buried ridge mode-locked quantum dots Fabry-Perot semiconductor lasers

4×170 Gbit/s DWDM/OTDM transmission using only one quantum dash Fabry Perot mode-locked laser

“…Quantum Dash Fabry Perot Mode-Locked Laser M. Costa e Silva (1) , L. Bramerie (1) , M. Gay (1) , S. Lobo (1) , M. Joindot (1) , J.C. Simon…”

“…The promising performance of semiconductor mode-locked laser diodes for many applications in telecommunications such as all-optical clock recovery [1][2][3][4] , high repetition rate source 5 or for access network applications 6,7 has been already widely demonstrated. Quantum dot based active layers bring to this technology remarkable optoelectronic properties owing to the 3 dimensional carrier confinement leading mainly to a broad gain bandwidth and a low phase noise level.…”

High performance and polarisation-insensitive BER assessment of a 42.66 Gbit/s all-optical clock recovery

“…Semiconductor devices based on bulk material have been already proposed [1,2]. ITU recommendation compatibility has recently been demonstrated with a new generation of self-pulsating (SP) lasers based on Quantum-Dot (QD) material [3]. The polarisation insensitivity as regard to injected optical modulated signal has been also successfully demonstrated in a dual-stage module [4].…”

Cascadability assessment of an all optical 3R regenerator based on synchronous modulation in a saturable absorber and optical clock recovery

“…The great advantage of this laser is its polarisation insensitivity, in spite of its insufficient jitter filtering capability. The second stage works at 1575 nm and provides a high purity clock thanks to its intrinsic jitter filtering effect [6]. The association of these two lasers yields a polarisation insensitive high performance OCR part.…”