Directly UV written silica-on-silicon planar waveguides with low loss

Svalgaard, Mikael; Kristensen, Martin

doi:10.1049/el:19970602

Cited by 42 publications

(13 citation statements)

References 4 publications

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“…Basic integrated optical devices such as straight waveguides, s-bends, directional couplers, and 1:2 power splitters have been demonstrated with UV writing [2]- [4]. More complex devices, such as wavelength selective optical add-drop multiplexers [5], and waveguide lasers [6] have also been demonstrated with UV writing.…”

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confidence: 99%

Variable optical attenuator fabricated by direct uv writing

Svalgaard

Færch

Andersen³

2003

J. Lightwave Technol.

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confidence: 99%

Variable optical attenuator fabricated by direct uv writing

Svalgaard

Færch

Andersen³

2003

J. Lightwave Technol.

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“…44,45 In 1997 it was demonstrated with the direct UV writing technique that the propagation loss could be less than 0.2 dB/cm. 46 The same year low-loss directional couplers ͑Fig. 9͒ and broadband power splitters were demonstrated.…”

Section: Direct Uv Writing Of Waveguidesmentioning

confidence: 99%

Advances in silica-based integrated optics

Poulsen

2003

Opt. Eng

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Recent advances within the realization of silica-based planar waveguide circuitry are presented. This ranges from the production methods for planar waveguides, including a novel method based on the utilization of focused UV-laser beams for direct waveguide imprinting, to the functionalities that are embedded into the glass materials and waveguide circuitry. Planar waveguide amplifiers, lasers, and the pursuit to obtain highly nonlinear materials to realize purely glass-based switches, modulators, and wavelength converters are also presented. Furthermore, microring resonators are discussed, and finally the latest results within 2-D photonic bandgap structures are reviewed.

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“…This technique has been used for phase tuning of optical devices [13] and to produce planar integrated circuits [14][15][16][17]. Losses are typically <0.2 dB/cm [18] and waveguide modes are matched to optical fibres for optimum coupling efficiency. UV fabrication of integrated silica photonics relies on the photosensitivity provided by doping with Germanium, Phosphorous and Boron.…”

Section: Introductionmentioning

confidence: 99%

213 nm laser written waveguides in Ge-doped planar silica without hydrogen loading

et al. 2020

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In this paper we present the first example of waveguides fabricated by UV writing in non-hydrogen loaded Ge-doped planar silica with 213 nm light. Single mode waveguides were fabricated and the numerical apertures and mode field diameters were measured for a range of writing fluences. A peak index change of 5.3 x 10 −3 was inferred for the waveguide written with 70 kJ cm −2. The refractive index change is sufficient to match the index structure of standard optical fiber. Uniformity of the written structures was measured and a propagation loss of 0.39 ± 0.03 dB cm −1 was determined through cutback measurements.

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Directly UV written silica-on-silicon planar waveguides with low loss

Cited by 42 publications

References 4 publications

Variable optical attenuator fabricated by direct uv writing

Variable optical attenuator fabricated by direct uv writing

Advances in silica-based integrated optics

213 nm laser written waveguides in Ge-doped planar silica without hydrogen loading

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