Výsledky vyhledávání - "S.G. McMeekin"

Optical modulation with a resonant tunnelling diode

Autor: S.G. McMeekin, Charles N. Ironside, M.R.S. Taylor

Publikováno v: IEE Proceedings - Optoelectronics. 143:12-16

The use of a resonant tunnelling diode buried in the centre of an optical waveguide to achieve optoelectronic modulation through the Franz-Kelydsh effect is demonstrated. The response of the modulator to both a pulsed and CW electrical signal is desc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6679b6abbd54d0e911a703d0fa9c881c
https://doi.org/10.1049/ip-opt:19960084

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All-UV-written integrated planar Bragg gratings and channel waveguides through single-step direct grating writing

Autor: Corin B. E. Gawith, R.B. Williams, Gregory D. Emmerson, S.G. McMeekin, S.P. Watts, R.I. Laming, Pete Smith, J.R. Bonar

We present a single-step technique for defining 2-dimensional integrated channel waveguide structures with internal Bragg gratings in photosensitive germanosilica-on-silicon substrates using two interfering focussed UV beams. Detailed device analysis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5a632d09abd86fd5e242b8d0224d9d8a
https://eprints.soton.ac.uk/13846/

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Single-step definition of channel waveguides with integral Bragg gratings in germanosilica-on-silicon wafers by direct UV writing

Autor: Pete Smith, Gregory D. Emmerson, J.R. Bonar, V. Albanis, S.G. McMeekin, R.I. Laming, Corin B. E. Gawith, R.B. Williams, Morten Ibsen, S.P. Watts

We present a single-step technique for defining channel waveguides with internal Bragg gratings in photosensitive germanosilica-on-silicon using two interfering focussed UV beams. Early devices exhibit reflection intensities of 80% with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e2ae896e5ebea8843f68bfde688a11d
https://eprints.soton.ac.uk/41662/

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Small-spot interference pattern for single-step 2D integration and wide wavelength detuning of planar Bragg gratings

Autor: Pete Smith, J.R. Bonar, Corin B. E. Gawith, Gregory D. Emmerson, S.G. McMeekin, R.I. Laming, R.B. Williams

A single-step technique for defining 2D channel waveguide structures with internal Bragg gratings in photosensitive germanosilica-on-silicon using two interfering focused UV beams is presented. Through software control, grating detuning across the S-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cd924e1124459ea1023ec51b6c3ae55
https://eprints.soton.ac.uk/13847/

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Ultra-Wide detuning through Direct Grating Writing of planar Bragg structures

Autor: R.I. Laming, J.R. Bonar, Gregory D. Emmerson, S.G. McMeekin, R.B. Williams, Pete Smith, Corin B. E. Gawith

Publikováno v: Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides.

We demonstrate a process of planar Bragg grating writing capable of defining Bragg gratings throughout the S, C and L bands using a computer controlled detuning technique.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::380b11c3a47d382a117b6c9361dde137
https://doi.org/10.1364/bgpp.2003.tua3

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Direct grating writing as a characterization technique for direct UV written waveguide structures

Autor: Pete Smith, Gregory D. Emmerson, S.G. McMeekin, J.R. Bonar, R.B. Williams, R.I. Laming, Corin B. E. Gawith, V. Albanis, I.J.G. Sparrow, Sam Watts

We use the Direct Grating Writing technique, based on Direct UV writing to define Bragg channel waveguides, investigating the relationship between the properties of the glass, the writing conditions, and the strength of the waveguide.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c43017e9185e2b6331137751f2c6f57f
https://eprints.soton.ac.uk/41607/

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Resonant tunneling diode electroabsorption waveguide modulator operating at around 1550 nm

Autor: J.M.L. Figueiredo, A.M.P. Leite, C.N. Ironside, C.R. Stanley, S.G. McMeekin, K. Bouris, D.G. Moodie

Publikováno v: Conference on Lasers and Electro-Optics (CLEO 2000). Technical Digest. Postconference Edition. TOPS Vol.39 (IEEE Cat. No.00CH37088).

Summary form only given.The InGaAlAs/InP RTD-electroabsorption modulator (EAM) consisted of a unipolar InGaAlAs (1520 nm) ridge optical waveguide containing a double-barrier resonant tunneling diode (6 nm wide InGaAs quantum well and 2 nm thick AlAs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ce7661971f3f7687ac003d4adee2e9d6
https://doi.org/10.1109/cleo.2000.907439

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Photosensitivity locking technique applied to UV written planar Bragg gratings

Autor: R.B. Williams, Pete Smith, Gregory D. Emmerson, S.P. Watts, Richard Ian Laming, S.G. McMeekin, V. Albanis, Corin B. E. Gawith, J.R. Bonar

Publikováno v: Electronics Letters. 39:517

A technique is presented for thermally processing deuterium loaded silica-on-silicon samples to provide air enhanced photosensitivity lifetime of at least one year at room temperature. subsequent simultaneous writing of channel waveguides and Bragg g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b0589c03f9aeee2fbd21bf79ab9c2fcf
https://doi.org/10.1049/el:20030379

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