Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation.
Appl Opt
; 45(24): 6113-8, 2006 Aug 20.
Article
em En
| MEDLINE
| ID: mdl-16892111
ABSTRACT
Experimental demonstration of small angle (0.8 degrees-5 degrees ) direct UV-written X couplers in silica-on-silicon is presented. Maximum and minimum coupling ratios of 95%(+/-0.8%) and 1.9% (+/-1%), respectively, were recorded. The structures also display very low polarization and wavelength dependence. A typical excess loss of 1.0 dB(+/-0.5 dB) was recorded. Device modeling using the beam propagation method and an analytical model showed good agreement with experimental results over a broad crossing angle and wavelength range.
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MEDLINE
Idioma:
En
Ano de publicação:
2006
Tipo de documento:
Article