All-UV written integrated glass devices including planar Bragg gratings and lasers

Smith, P.G.R., Emmerson, G.D., Gawith, C.B.E., Watts, S.P., Williams, R.B., Guilhot, D.A., Sparrow, I.J.G. and Adikan, M.F.R. (2005) All-UV written integrated glass devices including planar Bragg gratings and lasers. In, International Conference on Optics & Optoelectronics - ICOL 2005, Uttaranchal, India, 12 - 15 Dec 2005. , 9 pp.


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One attractive route to low-cost integrated optical components is the use of direct UV writing. This technique may be applied to a wide range of materials including silica-on-silicon wafers, compound oxide glasses, directly bonded glass composites and GLS. This presentation will focus on the first of these material systems - silica-on-silicon. This has a number of attractive features including fibre compatibility, industrial acceptance, stability and most importantly for our work a photosensitivity depends light intensity and not the thermal effects found in many materials. Recent developments of the UV writing technique at Southampton have allowed the realisation of high quality Bragg gratings in silica-on-silicon by simultaneous writing of the channel waveguides and gratings (the direct grating writing technique). This approach together with wavelength detuning, allows an unprecedented range of wavelengths to be written under software control. Latest results will be presented covering laser operation in Neodymium doped channels, small angle couplers, sensors based on planar gratings and liquid crystal tunable devices.

Item Type: Conference or Workshop Item (Paper)
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Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 42412
Accepted Date and Publication Date:
Date Deposited: 13 Dec 2006
Last Modified: 19 Oct 2016 20:43

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