scholarly journals Improvement of extinction ratio of polarization independent very short vertical directional couplers with the double-sided deep-ridge waveguide structure

2004 ◽  
Vol 15 (1) ◽  
pp. 12-16
1998 ◽  
Vol 34 (25) ◽  
pp. 2403 ◽  
Author(s):  
M. Kohtoku ◽  
S. Oku ◽  
Y. Kadota ◽  
Y. Shibata ◽  
Y. Yoshikuni

2013 ◽  
Vol 19 (4) ◽  
pp. 1500908-1500908 ◽  
Author(s):  
W. Kobayashi ◽  
T. Ito ◽  
T. Yamanaka ◽  
T. Fujisawa ◽  
Y. Shibata ◽  
...  

2013 ◽  
Vol 531 ◽  
pp. 119-124 ◽  
Author(s):  
Xuehua Zhang ◽  
Wenxiu Que ◽  
Jing Chen ◽  
Tianxi Gao ◽  
Jiaxing Hu ◽  
...  

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