External cavity narrow linewidth laser has a wide range of applications in optical
communication, optical sensing and other fields, and its performance largely depends on the …

In this paper, we have studied a Spectral Amplitude Coding Optical Code Division Multiple
Access (SAC-OCDMA) system performance using fiber Bragg gratings equivalent to very …

A novel optical frequency-hopping scheme in wavelength-division multiplexing (WDM)
systems is proposed to achieve secure communications with high capacity. Frequency …

The polarization characteristics of high-birefringence photonic crystal fiber (HB-PCF)
selectively coated with silver layers are numerically investigated using the full-vector finite …

Optical code division multiple access (OCDMA) systems are attracting an increasing interest
in optical fiber communication. This is due to the various advantages that they provide; in …

A multi-wavelength tunable filter is designed. It consists of multiple waveguides among
multiple waveguide gratings. A pair of electrodes were placed on both sides of each …

This study proposes a quantum well photonic crystal to realize a single-dual channel
conversion filter in the optical communication band, which aggregates dual-channel into …

Thermally tunable grating filters are promising filtering devices with low power consumption
and low cost. Based on our previous work, we optimize the tuning performance and …

通过测量外加电压下电光晶体的相位延迟来获取半波电压. 基于双折射晶体劈的偏光干涉法,
将通过电光晶体后的偏振光相位延迟量转化为干涉条纹的平移, 通过定位暗纹位置进行精密的 …

In this paper, we present the development of a multilayer polymer resonant waveguide
grating (RWG)-based optical filter with an integrated microheater for on-chip thermal spectral …