supported in part by the National Natural Science Foundation of China (Grant Nos. 11975145, 11972291, and 51771083);the Ministry of Science and Technology of China (Grant No. G2021016032L);the Natural Science Foundation for Colleges and Universities in Jiangsu Province, China (Grant No. 17 KJB 110020)。
We consider matrix integrable fifth-order mKdV equations via a kind of group reductions of the Ablowitz–Kaup–Newell–Segur matrix spectral problems. Based on properties of eigenvalue and adjoint eigenvalue problems,...
National Basic Research Program of China(973)(2014CB340104/3);National Natural Science Foundation of China(NSFC)(61775164,61335005,61575142,61431009);Advanced Integrated Optoelectronics Facility at the Tianjin University,China
Microresonator-based Kerr frequency combs have attracted a great deal of attention in recent years, in which mode locking of the generated combs is associated with bright or dark cavity soliton formation. In this pape...
supported by the Major National Basic Research Program of China (2013CB922401);the National Natural Science Foundation of China (60927010, 10974006, and 11027404)
We report on a compact passive mode-locked Er:fiber ring laser operated at the fundamental repetition rate of 517 MHz, which we believe is the highest fundamental repetition rate ever reported in a ring cavity fiber l...
supported by the Natural Science Foundation of China (Nos. 61377078 and 61275084);the National Basic Research Program of China (No. 2014CB340100)
We experimentally and numerically demonstrate the generation of square pulses without any wave-breaking in a fiber ring laser. A segment of nonzero dispersion-shifted fiber is used to increase the laser cavity length ...
Supported by the National Basic Research Program of China under Grant No 2010CB434811;the National Natural Science Foundation of China under Grant Nos 11047025 and 201180016
We show the possibility to generate Kuznetsov-Ma solitons based on bound-to-bound intersubband transitions in an asymmetric two-coupled well structure. By presenting the modulation instability of the nonlinear system ...
supported by the National Basic Research Program of China (2010CB327605 and 2010CB328300)
A new concept of photonic crystal fiber(PCF) with high nonlinearity and flattened dispersion was designed. The PCF structure is indeed a hexagon lattice. The bigger air holes in the outer rings are used to confine t...
supported by the Natural Science Foundation of Hebei Province of China(Grant No.A2012202022);supported by the Aid Program for Young Teachers of Hunan University,the Project-sponsored by SRF for ROCS,SEM;the Aid Program for Science and Technology Innovative Research Team in Higher Educational Institution of Hunan Province,China;supported by the National Basic Research Program of China(Grant Nos.2011CB921502 and 2012CB821305);the National Natural Science Foundation of China(Grant Nos.61227902 and 61378017)
We review our recent works on dynamics of magnetization in ferromagnet with spin-transfer torque. Driven by constant spin-polarized current, the spin-transfer torque counteracts both the precession driven by the effec...
supported by the National Natural Science Foundation of China(Grant No.11374036);the National Basic Research Program of China(Grant No.2012CB821403)
We investigate a kind of solitons in the two-component Bose-Einstein condensates with axisymmetric configurations in the R2 × S1 space. The corresponding topological structure is referred to as Hopfion. The spin text...
Project supported by the National Basic Research Program,China(Grant Nos.2010CB327605 and 2010CB328300);the National High-Technology Research and Development Program of China(Grant No.2013AA031501);the National Natural Science Foundation of China(Grant No.61307109);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20120005120021);the Fundamental Research Funds for the Central Universities,China(Grant No.2013RC1202);the Program for New Century Excellent Talents in University,China(Grant No.NECT-11-0596);the Beijing Nova Program,China(Grant No.2011066);the Fund of State Key Laboratory of Information Photonics and Optical Communications(Beijing University of Posts and Telecommunications) China;the China Postdoctoral Science Foundation(Grant No.2012M511826);the Postdoctoral Science Foundation of Guangdong Province,China(Grant No.244331)
We propose a novel lumped time-delay compensation scheme for all-optical analog-to-digital conversion based on soliton self-frequency shift and optical interconnection techniques. A linearly chirped fiber Bragg gratin...
Project supported by the National Basic Research Program of China(Grant Nos.2010CB327605 and 2010CB328304);the National High-Technology Research and Development Program of China(Grant No.2013AA031501);the National Natural Science Foundation of China(Grant No.61307109);the Research Foundation from Ministry of Education of China(Grant No.109015);the Program for New Century Excellent Talents in University of Ministry of Education of China(Grant No.NECT-11-0596);the Beijing Nova Program,China(Grant No.2011066);the Specialized Research Fund for the Doctoral Program of Higher Education of China(Grant No.20120005120021);the Fundamental Research Funds for the Central Universities of Ministry of Education of China(Grant No.2013RC1202);the China Postdoctoral Science Foundation(Grant No.2012M511826);the Postdoctoral Science Foundation of Guangdong Province,China(Grant No.244331)
In this paper, we propose an optical quantization scheme for all-optical analog-to-digital conversion that facilitates photonics integration. A segment of 10-m photonic crystal fiber with a high nonlinear coefficient ...