Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Qingying Dou"'
Publikováno v:
Microwave and Optical Technology Letters. 48:114-118
A novel bending single-mode fiber attenuator is presented. Organic glass plinths are sticked with several iron rods in order to impose bending on a typical single-mode fiber. Changing the space between the plinths, we can simultaneously determine ben
Autor:
Qingying Dou, Chao Wang, Hao Zhang, Ling Yu, Yange Liu, Yao Li, Xiaoyi Dong, Shuzhong Yuan, Lihui Liu
Publikováno v:
Optics Communications. 244:383-388
In this paper, the noise figure improvement of an erbium-doped fiber amplifier with double-pass configuration is demonstrated. By utilizing a high birefringence fiber loop mirror as the amplified spontaneous emission rejecter, the noise figure of thi
Autor:
Lihui Liu, Hao Zhang, Yao Li, Xiaoyi Dong, Lingyun Xiong, Guiyun Kai, Qingying Dou, Shuzhong Yuan, Yange Liu
Publikováno v:
Microwave and Optical Technology Letters. 45:12-15
Dual-wavelength operation of a room-temperature linear cavity erbium-doped fiber laser (EDFL) is proposed and demonstrated. With the combination of a fiber polarizer and a section of high birefringence (HiBi) fiber, a Lyot fiber filter is established
Publikováno v:
Optics Communications. 266:390-392
A dual-stage L-band gain-clamped erbium-doped fiber amplifier (GC-EDFA) by using backward C-band amplified spontaneous emission (ASE) is proposed. Compared with other similar GC-EDFAs, the proposed structure has higher and flatter clamped gain in L-b
Autor:
Hao Zhang, Lihui Liu, Tuan Guo, Yange Liu, Yanli Jin, Xiaoyi Dong, Qingying Dou, Shuzhong Yuan
Publikováno v:
Microwave and Optical Technology Letters. 48:852-854
We present an L-band all-optical gain-clamped erbium-doped fiber amplifier with a fiber-loop mirror as the ASE reflector. By using the combination of a C/L-band wavelength division multiplexer (WDM) and fiber-loop mirror, the backward C-band amplifie
Publikováno v:
IEEE Photonics Technology Letters. 17:2400-2402
A temperature insensitive fiber Bragg grating (FBG) liquid level sensor based on bending cantilever beam (BCB) is proposed and demonstrated. The BCB induces axial strain gradient along the sensing FBG, resulting in a Bragg bandwidth modulation. The b
Publikováno v:
Microwave and Optical Technology Letters. 45:60-62
A reflective long-wavelength-band erbium-doped fiber amplifier (L-band EDFA) with enhanced gain and improved noise figure is demonstrated. By utilizing a short length of erbium-doped fiber (EDF) before an optical circulator (OC), the population inver
Autor:
Qingying Dou, Lingyun Xiong, Yange Liu, Ling Yu, Shuzhong Yuan, Shaohua Chen, Lihui Liu, Hao Zhang, Xiaoyi Dong, Bo Liu
Publikováno v:
SPIE Proceedings.
In this paper, an all-fiber electric voltage sensor based on high birefringence fiber loop mirror is presented. This voltage sensor is composed of a 3dB coupler and ~8m high birefringence (HiBi) fiber, part of which is affixed to a piezoelectric tran
Publikováno v:
Microwave & Optical Technology Letters; Jan2006, Vol. 48 Issue 1, p114-118, 5p, 3 Diagrams, 2 Graphs
Publikováno v:
IEEE Photonics Technology Letters; Nov2005, Vol. 17 Issue 11, p2400-2402, 3p