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Direct grating writing: single-step Bragg grating and waveguide fabrication for telecommunications and sensing applications
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Abstract
Direct Grating Writing (DGW) has been developed over the past decade as a means of rapidly prototyping waveguides with integrated Bragg grating structures in silica-on-silicon substrates [1]. The technique allows complicated waveguide structures and Bragg grating arrays to be fabricated and characterised in house