1. Articles mentioning both Ryerson University and University of Hong Kong

    1-5 of 5
    1. Developing dual core ytterbium doped fiber ring laser in Fourier domain mode locked operation for swept-source optical coherence tomography

      Developing dual core ytterbium doped fiber ring laser in Fourier domain mode locked operation for swept-source optical coherence tomography
      We demonstrate high efficiency and wide bandwidth gain in a Ytterbium doped fiber amplifier. The highpowered amplifier has potential applications for use with a swept-source fiber ring laser in multi-channel optical coherence tomography (OCT) system. The ring cavity design includes a 976nm pumped dual core Yb doped fiber as the gain medium, where a rotating polygon mirror is used as a wavelength-sweeping filter for this source. The amplified spontaneous emission ...
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    2. Cascaded Raman fiber laser in Fourier domain mode lock operation

      Cascaded Raman fiber laser in Fourier domain mode lock operation
      In this study, a cascaded Raman fiber laser in Fourier domain mode lock operation (FDML) is presented. This laser utilizes a Ytterbium doped twin core pump laser source at 1109 nm. The pump light is directed to a cascaded Raman cavity, which consists of multiple cascaded fiber Bragg grating pairs and 3.86 km of dispersion compensation fiber, which provides Raman gain. The output wavelength of a cascaded Raman laser ...
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    3. Wavelength-swept spectral and pulse shaping utilizing hybrid Fourier domain modelocking by fiber optical parametric and erbium-doped fiber amplifiers

      Wavelength-swept spectral and pulse shaping utilizing hybrid Fourier domain modelocking by fiber optical parametric and erbium-doped fiber amplifiers
      We report the first Fourier domain modelocked (FDML) laser constructed using optical parametric amplifier (OPA) in conjunction with an erbium-doped fiber amplifier (EDFA), centered at ~1555nm, to the best of our knowledge. We utilize a one-pump OPA and a C-band EDFA in serial configuration with a tunable Fabry-Perot interferometer to generate a hybrid FDML spectrum. Results demonstrate a substantially better spectral shape, output power and stability than individual configurations, with ...
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    4. 1-5 of 5
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    1. (4 articles) University of Toronto
    2. (3 articles) Sunnybrook Health Sciences Centre
    3. (1 articles) Institute of Applied Physics