SNSPDs evanescently coupled to silicon waveguides can have low overall system efficiency (~2% [1]) due to mode mismatch with optical fibers. We propose to improve this by substituting the silicon waveguides with silic...
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We demonstrate phase sensitive amplification based on pump-degenerate four-wave mixing in highly nonlinear low-loss waveguides. A net gain of 6 dB (including propagation losses) is achieved, with an extinction ratio o...
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In this paper we investigate mode nonorthogonal properties and their effects on the sound power attenuation in a waveguide with impedance boundary conditions. By introducing two quantities: self-nonorthogonality Kp, w...
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We report efficient fiber-to-waveguide and 3D chip-to-chip light coupling devices based on bent metal-clad waveguides. According to our FDTD simulation, the coupling efficiency is over 80% within a broad range of work...
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We present optical/electrical demonstrator with 96-optical channels totalling 2.4 Tb/s aggregate capacity tested with 300 Gb/s on-board transceivers, 10-cm- and 20-cm-long embedded waveguides, and connectors with 90&#...
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We present a study on glass materials that are potentially suitable for the fabrication of low-loss waveguides in the mid-infrared, more specifically in the region 3 - 5 μm. The midinfrared is especially interesting ...
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We investigate the ultrafast spectral characteristics of our ultra-silicon rich nitride (USRN) waveguides with a 1-mm-length scale, which is designed to have large Kerr nonlinearity (?~550W-1/m) and negligible nonline...
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Thermally stable four zero-dispersion wavelengths with ultra-flat dispersion profile in highly-nonlinear Si-organic-hybrid slot-waveguides are reported. Such structures will be highly suitable for wavelength conversio...
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The effective Kerr and two photon absorption (TPA) nonlinear parameters of a nano-waveguide are characterized by means of a bi-directional top hat D-Scan technique. This approach requires a single beam and allows the ...
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This work reports the first demonstration of phosphogermanate deposited planar layers which have been used to produce channel waveguides and Bragg gratings via direct UV writing. We demonstrate single mode and low-los...
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