Optical coupler having anchored cantilever structure with multi-stage inverse taper core waveguide and fabrication method thereof

T Shi, TI Su, C Chen, Y Shao, D Pan - US Patent 9,946,029, 2018 - Google Patents
An optical coupler structure may include a substrate, a waveguide section and an anchored
cantilever section. The substrate may include a main body and a sub-pillar structure formed …

Decreased crosstalk in adjacent photonic waveguides

X Liu, YR Wang, KA German, PM Gulvin - US Patent 7,116,880, 2006 - Google Patents
First and second ridge type photonic waveguides are provided. Each of the waveguides
includes a core layer and a reflective cladding layer in continuous contact with a first side of …

Managing mode transfer in asymmetric waveguide coupling structures

MJ Picard, A Delisle-Simard - US Patent 10,955,615, 2021 - Google Patents
(57) ABSTRACT A waveguide coupling structure includes: a first section that supports a
mode that has an associated first intensity profile that substantially overlaps with an intensity …

Suspended photonic waveguides with top side sealing

L Chen, L Chen, C Doerr - US Patent 10,416,380, 2019 - Google Patents
Techniques for forming a photonic device that includes a suspended photonic structure
suspended over a silicon substrate are described. A sealed cavity is positioned between the …

Mode couplers

WJ Hall - US Patent 4,367,446, 1983 - Google Patents
The invention provides a mode coupler arrangement comprising a main waveguide coupled
via arrays of slots to two sets of subsidiary waveguides over a common length. One set of …

Fiber-to-waveguide coupling with high alignment tolerance

M Lipson, YC Chang, OAJ Gordillo… - US Patent …, 2020 - Google Patents
An optical coupling apparatus comprising a substrate having a trench formed therein, the
trench having a width measured between two opposing walls that define a portion of the …

Fiber-to-waveguide optical interface devices and coupling devices with lenses for photonic systems

AF Evans - US Patent 10,228,520, 2019 - Google Patents
Primary Examiner—Daniel Petkovsek (74) Attorney, Agent, or Firm—Robert L. Branham (57)
ABSTRACT An optical interface device for a photonic integrated system includes a plug and …

Two-stage adiabatically coupled photonic systems

B Park, D Mahgerefteh - US Patent 10,001,599, 2018 - Google Patents
In an example, a photonic system includes a Si PIC with a Si substrate, a SiO 2 box formed
on the Si substrate, a first layer, and a second layer. The first layer is formed above the SiO 2 …

Reflection suppression in semiconductor diode optical switching arrays

TL Paoli - US Patent 5,321,714, 1994 - Google Patents
US5321714A - Reflection suppression in semiconductor diode optical switching arrays -
Google Patents US5321714A - Reflection suppression in semiconductor diode optical …

Integrated multistage taper coupler for waveguide to fiber coupling

N Kumar, G Li, S Krasulick - US Patent 9,933,575, 2018 - Google Patents
A waveguide coupler has a compression region and an expansion region for coupling light
between a silicon waveguide and an optical fiber. The compression region receives light …