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View article: Non-reciprocity in a silicon photonic ring resonator with time-modulated regions
Non-reciprocity in a silicon photonic ring resonator with time-modulated regions Open
Non-reciprocity and breaking of the time-reversal symmetry is conventionally achieved using magneto-optic materials. However, the integration of these materials with complementary metal-oxide semiconductor (CMOS)-compatible platforms is ch…
View article: Design Guidelines for a Tunable SOI Based Optical Isolator in a Partially Time-Modulated Ring Resonator
Design Guidelines for a Tunable SOI Based Optical Isolator in a Partially Time-Modulated Ring Resonator Open
In this paper, we present the design guidelines for a tunable optical isolator in an SOI-based ring resonator with two small time-modulated regions. By considering a physical model, the proper geometrical and modulation parameters are desi…
View article: Low Power, Compact Integrated Photonic Sampler Based on a Silicon Ring Modulator
Low Power, Compact Integrated Photonic Sampler Based on a Silicon Ring Modulator Open
Sampling is the primary functional step of an analogue to digital conversion, required for sensing, measurement, signal processing, metrology, and various data communication applications. Here we present, for the first time, to the best of…
View article: Near Field Differential Interference Contrast Microscopy
Near Field Differential Interference Contrast Microscopy Open
Near field scanning optical microscopy exploiting differential interference contrast enhancement is demonstrated. Beam splitting in the near field region is implemented using a dual color probe based on plasmonic color sorter idea. This pr…
View article: Optical isolation enabled by two time-modulated point perturbations in a ring resonator
Optical isolation enabled by two time-modulated point perturbations in a ring resonator Open
In this paper we achieve non-reciprocity in a silicon optical ring resonator, by introducing two small time-modulated perturbations into the ring. Isolators are designed using this time-perturbed ring, side-coupled to waveguides. The under…