Derwyn C. Johnson

Overview

Best Publications

• Photosensitivity in optical fiber waveguides: Application to reflection filter fabrication

  K. O. Hill;Y. Fujii;D. C. Johnson;B. S. Kawasaki

  3098
  Citations

• Bragg gratings fabricated in monomode photosensitive optical fiber by UV exposure through a phase mask

  K. O. Hill;B. Malo;F. Bilodeau;D. C. Johnson

  1703
  Citations

• cw three-wave mixing in single-mode optical fibers

  Unknown

  429
  Citations

• Efficient mode conversion in telecommunication fibre using externally written gratings

  K.O. Hill;B. Malo;K.A. Vineberg;F. Bilodeau

  365
  Citations

• Chirped in-fiber Bragg gratings for compensation of optical-fiber dispersion.

  K. O. Hill;F. Bilodeau;B. Malo;T. Kitagawa

  361
  Citations

• An all-fiber dense wavelength-division multiplexer/demultiplexer using photoimprinted Bragg gratings

  F. Bilodeau;D.C. Johnson;S. Theriault;B. Malo

  356
  Citations

• Narrow-band Bragg reflectors in optical fibers.

  Brian S. Kawasaki;Kenneth O. Hill;Derwyn C. Johnson;Y. Fujii

  311
  Citations

• Low loss access coupler for multimode optical fiber distribution systems

  Brian S. Kawasaki;Kenneth O. Hill;Derwyn C. Johnson

  306
  Citations

• Method of fabricating Bragg gratings using a silica glass phase grating mask and mask used by same

  Kenneth O. Hill;Bernard Y. Malo;Francois C. Bilodeau;Derwyn C. Johnson

  300
  Citations

• cw Brillouin laser

  K. O. Hill;B. S. Kawasaki;D. C. Johnson

  254
  Citations

• Apodised in-fibre Bragg grating reflectors photoimprinted using a phase mask

  B. Malo;S. Theriault;D.C. Johnson;F. Bilodeau

  215
  Citations

• Photosensitization of optical fiber and silica-on-silicon/silica waveguides.

  F. Bilodeau;B. Malo;J. Albert;D. C. Johnson

  214
  Citations

• Point-by-point fabrication of micro-Bragg gratings in photosensitive fibre using single excimer pulse refractive index modification techniques

  B. Malo;K.O. Hill;F. Bilodeau;D.C. Johnson

  213
  Citations

• Method of creating an index grating in an optical fiber and a mode converter using the index grating

  Kenneth O. Hill;Bernard Y. Malo;Francois Bilodeau;Derwyn C. Johnson

  212
  Citations

• Apodisation of the spectral response of fibre Bragg gratings using a phase mask with variable diffraction efficiency

  J. Albert;K.O. Hill;B. Malo;S. Theriault

  172
  Citations

• Optical fiber coupler with tunable coupling ratio and method of making

  Brian S. Kawasaki;Masao Kawachi;Kenneth O. Hill;Derwyn C. Johnson

  168
  Citations

• Sum-frequency light generation in optical fibers.

  Y. Fujii;Brian S. Kawasaki;Kenneth O. Hill;D. C. Johnson

  150
  Citations

• Single-excimer-pulse writing of fiber gratings by use of a zero-order nulled phase mask: grating spectral response and visualization of index perturbations

  Bernard Malo;Derwyn C. Johnson;F. Bilodeau;Jacques Albert

  150
  Citations

• New design concept for a narrowband wavelength-selective optical tap and combiner

  D.C. Johnson;K.O. Hill;F. Bilodeau;S. Faucher

  147
  Citations

• Comparison of one-photon and two-photon effects in the photosensitivity of germanium-doped silica optical fibers exposed to intense ArF excimer laser pulses

  J. Albert;B. Malo;K. O. Hill;F. Bilodeau

  144
  Citations

• Birefringent photosensitivity in monomode optical fibre : application to external writing of rocking filters

  K.O. Hill;F. Bilodeau;B. Malo;D.C. Johnson

  142
  Citations

• Wavelength-dependent transmission of monomode optical fiber tapers.

  Daniel T. Cassidy;Derwyn C. Johnson;Kenneth O. Hill

  133
  Citations