- Dual Michelson interferometers for distributed vibration detectionXiaobin Hong
Beijing University of Posts and Telecommunications, Beijing, China
Appl Opt 50:4333-8. 2011..The position of the vibration is obtained by signal correlation, which can be used as a perimeter security sensor to locate the intruder. The experimental results with a 4012 m fiber sensor are discussed...
- Nonlinear signal-noise interactions in dispersion managed coherent PM-QPSK systems in the presence of PMDXiaogang Yi
State Key Laboratory of Information Photonics and Optical Communication, Beijing University of Posts and Telecommunications, Beijing, China
Opt Express 20:27596-602. 2012..7dB with PMD for 42.8-Gbit/s coherent return-to-zero (RZ)-PM-QPSK systems...
- Design of a monolithic tunable laser based on equivalent-chirp grating reflectorsYitang Dai
Key Laboratory of Information Photonics and Optical Communications Beijing University of Posts and Telecommunications, Ministry of Education, P O Box 55 BUPT, Beijing 100876, China
Opt Lett 35:3880-2. 2010..The principle is described, and a detailed design shows uniform output power (0.08 dB variation) and excellent side-mode suppression ratio (47 dB minimum) within a wide tuning range (>32 nm) through numerical simulation...
- Simultaneous multi-channel CMW-band and MMW-band UWB monocycle pulse generation using FWM effect in a highly nonlinear photonic crystal fiberFangzheng Zhang
Key Laboratory of Information Photonics and Optical Communications, Ministry of Education in China, Beijing University of Posts and Telecommunications, Beijing, 100086, China
Opt Express 18:15870-5. 2010..Experimental measurements of the generated UWB monocycle pulses at individual wavelength, which comply with the FCC regulations, verify the feasibility and flexibility of proposed scheme for use in practical UWB communication systems...