Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation
Document Type
Article
Publication Date
1-1-2006
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. (C) 2006 Optical Society of America.
Divisions
fac_eng
Publication Title
Applied Optics
Volume
45
Issue
24
Publisher
Optical Society of America
Additional Information
Adikan, Faisal R. M. Gawith, Corin B. E. Smith, Peter G. R. Sparrow, Ian J. G. Emmerson, Gregory D. Riziotis, Christos Ahmad, Harith