Polarization splitting in lossy/gainy MQW directional couplers

1997 ◽  
Vol 15 (7) ◽  
pp. 1233-1240 ◽  
Author(s):  
K.C. Ho ◽  
G. Griffel ◽  
T. Tamir
Keyword(s):  
Directional Couplers ◽  
Polarization Splitting

Perturbation analysis of polarization splitting directional couplers

1989 ◽  
Vol 28 (16) ◽  
pp. 3450 ◽  
Author(s):  
Supriya Diggavi ◽  
K. Thyagarajan ◽  
A. K. Ghatak
Keyword(s):  
Perturbation Analysis ◽  
Directional Couplers ◽  
Polarization Splitting

Modeling of racetrack-resonator add-drop filters with arbitrary nonlinear directional couplers

2012 ◽  
Vol 37 (11) ◽  
pp. 2097 ◽  
Author(s):  
Rafael Gómez-Alcalá ◽  
F. Javier Fraile-Peláez ◽  
Pedro Chamorro-Posada ◽  
Francisco J. Díaz-Otero
Keyword(s):  
Directional Couplers ◽  
Racetrack Resonator

Directional Couplers

1947 ◽  
Vol 35 (2) ◽  
pp. 160-165 ◽  
Author(s):  
W.W. Mumford
Keyword(s):  
Directional Couplers

Limiting characteristics of class II nonsymmetric stepped directional couplers

2006 ◽  
Vol 51 (4) ◽  
pp. 385-389
Author(s):  
A. P. Krenitskii ◽  
V. P. Meshchanov ◽  
L. V. Shikova
Keyword(s):  
Class Ii ◽  
Directional Couplers

scholarly journals X-ray photoelectron spectra of iron-sulphur proteins

1975 ◽  
Vol 149 (2) ◽  
pp. 471-474 ◽  
Author(s):  
P T Andrews ◽  
C E Johnson ◽  
B Wallbank ◽  
R Cammack ◽  
D O Hall ◽  
...  
Keyword(s):  
Magnetic Susceptibility ◽  
Magnetic State ◽  
High Potential ◽  
Spin Coupling ◽  
Photoelectron Spectra ◽  
Clostridium Pasteurianum ◽  
Active Centre ◽  
Core Polarization ◽  
X Ray ◽  
Polarization Splitting

The X-ray photoelectron spectra of the 2p, 3s and 3p levels of iron in oxidized Clostridium pasteurianum ferredoxin indicate that the eight iron atoms in the molecule are indistinguishable. Their magnetic state is indicated both by core polarization splitting of the 3s electrons, and by ‘shake-up’ satellites on the 2p lines. Similar satellites are observed in the 2p lines of reduced Chromatium high-potential iron-sulphur proteins and oxidized spinach ferredoxin, indicating that there too the iron atoms are magnetic. The low observed magnetic susceptibility of these proteins is therefore due to spin-coupling between the iron atoms in the active centre.

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