A fiber null coupler with very high splitting ratio of 100000: 1 and low excess loss of 0.1 dB is reported. The control of the maximum splitting ratio and loss
In-phase wavelength conversion based on cross-gain modulation in a semiconductor optical amplifier biased around critical threshold current has been demonstrate
The interrelation between the phase matching condition for second harmonic generation (SHG) and the electro-optic Q-switching in KTP was numerically analyzed. A
With the help of holographic interferometry a study is conducted on the compatibility of SMA (shape memory alloy) and epoxy resin composite material. The paper
In high power laser systems, the stability of the seed laser is vitally important. This paper presents the work on the design and manufacture of a highly stable
Cr4+:YAG is a new saturable absorber for passive Q-switching. As a passive Q-switcher, it has several excellent properties, such as low saturation fluence, high
In this paper, a 1×4 MMI splitter based on silicon-on-insulator (SOI) by effective index method and guide mode method is designed. The fabrication tolerance wa
The experimental results are given on the broadening characteristics of the time and frequency profile of the femtosecond pulse passed through a SNOM fiber prob
Using a semiconductor-fiber ring laser, a novel method for the all optical wavelength conversion based on dual-pump four-wave mixing (FWM) in a semiconductor op
The mode competition is significant in laser physics and applications. A priority frequency will suppress, in competition, a potential frequency within gain pro