Renewable energy resources especially wind and solar energy are emerging as the modern power sources to electrify remote areas. The main reason behind their emergence is due to their environment-friendly behavior,unli...
Interfacial phase change memory (iPCM) based on GeTe and Sb2Te3 superlattices (SLs) is an emerging contender for non-volatile data storage applications. A detailed knowledge of the atomic structure of these materi...
Supported by the Ministry of Education,Science,and Technological Development of Serbia and the Flemish fund for Scientific Research(FWO Vlaanderen)
We use the Galerkin approach and the finite-element method to numerically solve the effective-mass Schr¨odinger equation.The accuracy of the solution is explored as it varies with the range of the numerical domain.Th...
Supported by the National Natural Science Foundation of China under Grant Nos 61320106013, 61021003 and 61090392.
hnpurity-free intermixing of InGaAsP multiple quantum wells (MQW) using sputtering Cu/Si02 layers followed by rapid thermal processing (RTP) is demonstrated. The bandgap energy could be modulated by varying the sp...
Project supported by the National Natural Science Foundation for Young Scientists of China (Grant No. 10702058);the China Postdoctoral Science Foundation (Grant No. 20090451100)
The physical vapour deposition of Ni atoms on α-Fe(001) surface under different deposition temperatures were simulated by molecular dynamics to study the intermixing and microstructure of the interracial region. Th...
Project supported by the National High Technology Research and Development Program of China(Nos.2006AA01Z256, 2007AA03Z419,2007AA03Z417);the State Key Development Program for Basic Research of China(Nos.2006CB604901, 2006CB604902);the National Natural Science Foundation of China(Nos.90401025,60736036,60706009,60777021).
A frequency and wavelength tunable self-pulsation laser based on DBR laser devices is reported for the first time.This laser generates continuous tunable optical microwave in the range of 1.87-21.81 GHz with 3-dB line...
Supported by the National Natural Science Foundation of China under Grant Nos 90401025, 60736036, 60706009, 60777021, the National Basic Research Programme of China under Grant Nos 2006CB604901 and 2006CB604902, and the National High-Tech Research and Development Programme of China under Grant Nos 2006AA01Z256, 2007AA03Z419, and 2007AA03Z417.
We present the monolithic integration of a sampled-grating distributed Bragg reflector (SG-DBR) laser with a quantum-well electroabsorption modulator (QW-EAM) by combining ultra-low-pressure (55 mbar) selectivea...
the National Natural Science Foundation of China(Nos.90401025,60736036,60706009,60777021);the State Key Development Program for Basic Research of China(Nos.2006CB604901,2006CB604902);the National High Technology Research and Development Program of China(Nos.2006AA01Z256,2007AA03Z419,2007AA03Z417)~~
This paper presents an SG-DBR with a monolithically integrated SOA fabricated using quantum-well intermixing (QWI) for the first time in China's Mainland. The wavelength tuning range covers 33nm and the output power...
Supported by the National Natural Science Foundation of China under Grant No 60276013, and the Fund of Key Laboratory for Radiation Beam and Materials Modification, Beijing Normal University.
We investigate quantum well intermixing of a double-quantum-well structure caused by phosphorus ion implantation by means of photoluminescence (PL). The ion implantation is performed at the energy of 120keV with the...
A quantum well intermixing(QW1) investigation on double quantum well(DQW) structure with two different emitting wavelength caused by phosphorus ion implantation and following rapid thermal annealing (RTA) was ca...