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Refractive index contrast, in an optical fiber, is a measure of the relative difference in refractive index of the core and cladding. The refractive index contrast of an optical fibre, ?, is typically given by ? = (n12- n22)/(2n12), where n1 is the maximum refractive index in the core and n2 is the refractive index of the homogeneous
This application is also related to co-pending U.S. patent application (1153.059US1) entitled “High-Index Contrast Distributed Bragg Reflector," and filed on the same date herewith, all of which is incorporated herein by reference. FIELD OF THE INVENTION. [0003]. The present invention relates to waveguide couplers, and
First-principle derivation of gain in high-index- contrast waveguides. Jacob T. Robinson1, Kyle Preston1, Oskar Painter2, and Michal Lipson*1. 1Department of Electrical and 3rd ed (John Wiley & Sons, Inc., Hoboken, NJ, 1999). 16. In standard low-index-contrast waveguides, optical gain and power confinement are.
We present detailed characterization of a unique high-index-contrast integrated optical polymer waveguide platform where the index of the cladding material is closely matched to that of water. Single-mode waveguides designed to operate across a large part of the visible spectrum have been fabricated and waveguide
A coupler to efficiently transfer broadband light from a single-mode optical fiber to a single-mode high-index contrast waveguide has been fabricated on a silicon substrate. We utilized a novel coupling scheme, with a vertically asymmetric design consisting of a stepwise parabolic graded index profile combined with a
These properties are critically important for the fabrication of photonic devices, where cost is often the major inhibiting deployment factor for high volume applications. We report here on the use of nanoimprint technology to fabricate low loss broadband high index contrast waveguides in a Polysiloxane polymer system for
We present a theoretical and experimental study of high-index-contrast waveguides and basic (passive) devices built from them. Several new results are reported, but to be more comprehensive we also review some of our previous results. We focus on a ridge waveguide, whose strong lateral confinement gives it unique
High-Index Contrast Silicon Rich Silicon Nitride Optical Waveguides and Devices density high-index contrast integrated optics: Developments and applica- .. incorporated. So, some technical demands that led to choosing a low-index contrast platform are significantly relaxed for integrated optical devices. Other de-.
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