… detector with 40-GHz bandwidth. The signal is analyzed with an oscilloscope (100-MHz
bandwidth and sample rate of 2.5 GS/s) and ESA (bandwidth up to 25 GHz). Laser diode current …

… in a sharp increase in laser peak-to-peak chirp from 21.8 to 205 GHz. The increase of gain
… from 19.5 to 193.3 GHz. Although the gain suppression works to reduce the laser chirp, it …

… We demonstrate a hybrid integrated and widely tunable diode laser with an intrinsic linewidth
as narrow as 40 Hz, achieved with a single roundtrip through a low-loss feedback circuit …

… Here, we propose a concept of terahertz laser diode, which is a dc-biased self-excited
microelectronic laser oscillator using collectively modulated free electrons emitted by field-emitter-…

… compact laser setup is directly pumped by a low-cost multimode fiber-coupled laser diode
… The single pulse regime is confirmed by observing the pulse train using a 40 GHz sampling …

… into the silicon waveguide and more than 40 dB side-mode suppression ratio is … of the laser
diode by measuring the small-signal and large-signal modulation responses. Up to 15 GHz …

… employing selfinjection locked quantum-dash laser diode comb source (SIL QDCS) in the
challenging 1610 nm region. The generated 50/75 GHz mmW beat-tones exhibited low phase …

… 30-40 GHz, until the photon-photon resonance (PPR) effect [34] became widely exploited in
DMLs. In 2011, a passive-feedback laser (PFL) achieved 37-GHz … of laser diodes with short …

… Lately, we illustrated a so-called THz laser diode (TLD), which is a novel kind of VMD using
field emitting arrays (FEAs) as cathode. It is in principle based on the transit time effect of the …

… Gallium nitride (GaN) laser diodes (LDs) are considered … laser diodes with data transmission
rates up to 2.5 Gbit/s in free space and underwater and high bandwidths of up to 1.38 GHz …