Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Yian Chang"'
Autor:
Kun-Hong Liao, Chun-Yian Chang, Hsiu-Hsien Yu, Hsin-Chia Yang, Sung-Ching Chi, Yu-Jung Liao, Kuo-Chin Lo
Publikováno v:
ICKII
Insulated Gate Bipolar Transistor (IGBT) uniquely enjoys comparably high power due to high current gain, which utilizes various routes for gated-controlled currents to flow, especially on Bipolar-like currents. Therefore input impedance is expected t
Autor:
Hsiu-Hsien Yu, Hsin-Chia Yang, Chun Yian Chang, Kai-Hung Hsieh, Yu-Jung Liao, Kun-Hong Liao, Sung-Ching Chi
Publikováno v:
ICKII
An alternative algorithm is drawn in to fit the electrical characteristic curves, including Drain current versus Drain voltage and Drain current versus Gate voltage, on NFinFET devices. Devices are fabricated on SOI (silicon on insulator) wafers to p
Autor:
W.H. Steier, D.H. Chang, Yian Chang, H. Erlig, Hua Zhang, Larry R. Dalton, B. Tsap, Cheng Zhang, H.R. Fetterman, Min-Cheol Oh, Attila Szep
Publikováno v:
IEEE Journal of Selected Topics in Quantum Electronics. 7:826-835
Based on a nonlinear optical polymer with a highly nonlinear chromophore (CLD) dispersed in an amorphous polycarbonate (APC), we have developed electrooptic (EO) polymer modulators operating at 1550-nm wavelength with low loss and good thermal stabil
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 46:1910-1919
A technique has been developed and tested for achieving phase conjugation in the microwave and millimeter-wave regime. The effective nonlinearity required for this phase-conjugation process is provided by electronic mixing elements feeding an array o
Autor:
Yian Chang, Louay A. Eldada, Robert Scarmozzino, Harold R. Fetterman, D.C. Scott, Richard M. Osgood
Publikováno v:
Journal of Lightwave Technology. 13:2034-2040
We have used laser direct fabrication techniques to implement optical delay lines on an epitaxial GaAs/AlGaAs substrate. These integrated photonic circuits, which are important for optically-controlled phased-array radar, include asymmetric splitters
Autor:
William H. Steier, Yian Chang, Min-Cheol Oh, D.H. Chang, Harold R. Fetterman, Larry R. Dalton, Attila Szep, Cheng Zhang, H. Erlig, Hua Zhang
Publikováno v:
Applied Physics Letters. 78:3136-3138
Push–pull polymeric electro-optic Mach–Zehnder (MZ) modulators with Vπ of 1.2 and 1.8 V at 1310 and 1550 nm, respectively, with an interaction length of 2 cm are demonstrated. These devices were made from second-order nonlinear optic guest–hos
Autor:
Debojyoti Bhattacharya, Larry R. Dalton, Yian Chang, W.H. Steier, Cheng Zhang, Harold R. Fetterman, Sang-Shin Lee, H. Erlig, Hua Zhang, A. Udupa, B. Tsap, D.H. Chang
Publikováno v:
Scopus-Elsevier
Integrated photonic radio frequency (RF) phase shifters with dc voltage control have been realized using a nested dual Mach-Zehnder modulator configuration in a new nonlinear optical polymer, CLD2-ISX. These modulators have a V/sub /spl pi// of 10.8
Publikováno v:
Acta Crystallographica Section C Crystal Structure Communications. 46:2360-2363
[Cu(C 15 H 31 N 4 O 2 )(H 2 O)](ClO 4 ) cristallise dans P2 1 /c avec a=7,918, b=20,265, c=13,707 A, β=104,34 o , Z=4; affinement jusqu'a R=0,030. La coordination autour de Cu(II) est une pyramide carree deformee avec la diazadioxime deprotonee en p
Publikováno v:
Applied Physics Letters. 72:745-747
An artificial nonlinear surface has been developed using antenna-coupled mixers with optical interconnects for microwave and millimeter-wave phase conjugation. Prototype one-dimensional arrays have been constructed and have been used to demonstrate t
Publikováno v:
IEEE Photonics Technology Letters. 10:267-269
Extension of a new optically controlled serially fed phased-array system to the receive mode of operation has been demonstrated. Our system uses the pulsed nature of microwave radars in a manner similar to clocked systems used in digital configuratio