Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation


Adikan, F.R.M., Gawith, C.B.E., Smith, P.G.R., Sparrow, I.J.G., Emmerson, G.D., Riziotis, C. and Ahmad, H. (2006) Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation. Applied Optics, 45, (24), 6113-6118.

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Description/Abstract

Experimental demonstration of small angle (0.8°-5°) 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.

Item Type: Article
Related URLs:
Subjects: Q Science
T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology
Q Science > QC Physics
Divisions: University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 42401
Date Deposited: 11 Dec 2006
Last Modified: 27 Mar 2014 18:27
URI: http://eprints.soton.ac.uk/id/eprint/42401

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