financially supported by the National Natural Sciences Foundation of China(No.92062111);the National Key Technology R&D Program of China(No.2019YFC1908501).
Germanium,a critical yet often overlooked metal,has experienced significant shifts in its global market,largely driven by China’s dominant role.However,concerns are growing over the sustainability of germanium supply...
partially funded through the ATTRACT project funded by the European Union’s Horizon 2020 research and innovation programme under grant agreement No.101004462;by Business Finland(Project No.RaPtor 687/31/2019);by the Academy of Finland(Project Nos.328482 and 331313);by Tandem Industry Academia funding from the Finnish Research Impact Foundation.
Even though efficient near-infrared(NIR)detection is critical for numerous applications,state-of-the-art NIR detectors either suffer from limited capability of detecting incoming photons,i.e.,have poor spectral respon...
supported by the Innovation Program for Quantum Science and Technology (Project ID.2021ZD0302301);the National Natural Science Foundation of China (Grant No.6240033549).
Ge/SiGe heterostructure quantum wells play a pivotal role in the pursuit of scalable silicon-based qubits.The varying compressive strains within these quantum wells profoundly influence the physical characteristics of...
Supported by National Key R&D Program of China(2023YFA1608701);National Natural Science Foundation of China(62274168,11933006,U2141240);Hangzhou Leading Innovation and Entrepreneurship Team(TD2020002)。
The response wavelength of the blocked-impurity-band(BIB)structured infrared detector can reach 200µm,which is the most important very long wavelength infrared astronomical detector.The ion implantation method greatl...
National Key Research and Development Program of China(2022YFB2804504);National Natural Science Foundation of China(62090054,61934003,62105173,62105174);Major Scientific and Technological Program of Jilin Province(20210301014GX);Jilin Province Development and Reform Commission(2020C056);Program for Jilin University Science and Technology Innovative Research Team(JLUSTIRT,2021TD-39).
Germanium(Ge)-silicon(Si)-based avalanche photodetectors(APDs)featured by a high absorption coefficient in the near-infrared band have gained wide applications in laser ranging,free space communication,quantum communi...
National Key Research and Development Program of China(2022YFA1404001);National Natural Science Foundation of China(61927817,62135004);China Postdoctoral Science Foundation(BX20220123).
High-performance germanium photodiodes are critical components in silicon photonic systems for high-capacity data communications.By reducing the length of the photodiodes,a smaller resistance–capacitance product can ...
National Key Research and Development Program of China(2022YFB2803100);National Natural Science Foundation of China(62090054,62250010,62274160);Youth Innovation Promotion Association of the Chinese Academy of Sciences(2021111);Strategic Leading Science and Technology Project,CAS(XDB43020100);China Computer Interconnect Technology Alliance(CCITA)Funding(20240104)。
The 2μm wavelength band emerges as a promising candidate for the next communication window to enhance the transmission capacity of data.A high-responsivity and high-speed photodetector operating at 2μm is crucial fo...
The growth of high-quality germanium tin(Ge_(1–y)Sn_(y))binary alloys on a Si substrate using chemical vapor deposition(CVD)techniques holds immense potential for advancing electronics and optoelectronics application...
supported by the Research Foundation for Higher Level Talents of West Anhui University(Grant No.WGKQ2021005).
Employing two fully relativistic methods,the multi-reference configuration Dirac-Hartree-Fock(MCDHF)methodand the relativistic many-body perturbation theory(RMBPT)method,we report energies and lifetime values for the ...
Avalanche photodetectors(APDs) featuring an avalanche multiplication region are vital for reaching high sensitivity and responsivity in optical transceivers. Waveguide-coupled Ge-on-Si separate absorption, charge, and...