PATENT CLAIM ANALYSIS

Application Number: 15940391
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2018-08
Patent Classification: ["385", "003000"]

Abstract:
Integrated active photonic device such as optical amplifiers, lasers, light emitters, photodetectors, optical modulators, optical switches, plasmonic devices, all-optical devices, and active photonic devices with high efficiency capable of very low power consumption, low optical loss, and small device size are of interest. An efficient optical waveguide structure for achieving high overlapping between the optical beam mode and the active electro-active region leads to reduced power consumption, low optical loss, and small device size. In an embodiment, low power consumption, low optical loss, and small device size are enabled by a semiconductor active photonic device structure, together with an active semiconductor material that is an electro-optic or electro-absorption or gain material, that are appropriately doped with carriers to substantially lower the power consumption and still maintain the high device performance. In another embodiment, an efficient optical coupling structure further enables low optical loss. Various embodiments combined enable the active photonic device to reach lower power consumption, lower optical loss, and smaller device size than previously possible in the prior arts.

Claim (Index 1):
An active photonic device (an active photonic device refers to a photonic device that can act as one of the following: an optical amplifier, a laser, a light emitter, a photodetector, an optical modulator, an optical switch, a plasmonic device, or an all-optical device) deposed on a substrate, comprising:\n an input connecting waveguide core deposed on the substrate connecting an energy of an optical beam to and from an electro-active layer, the optical beam having one or more optical wavelengths around an operating optical wavelength \u03bb op ; the input connecting waveguide core becomes an input tapering waveguide core and enters and extends below an electro-active layer, wherein the optical beam energy is well-confined in the input tapering waveguide core before the tapering waveguide core enters below the electro-active layer, and the optical beam energy is no longer well-confined in the input tapering waveguide core at some point after the tapering waveguide core extends below the electro-active layer; and a refractive index n EC  or the optical gain/absorption coefficient \u03b1 EC  of at least part of a material in the electro-active layer can be altered by an applied electric field, an electric current, or either injection or depletion of carriers in the electro-active layer, wherein the electro-active layer is either part of or in spatial proximity to an electro-active waveguide core.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 90.0
- Lexical Diversity: 2.19101
- Patent Class: 385.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14894823', '12626178', '12669440', '12689301', '11909277']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7812603540116665
- 35 USC 102 Novelty (BERT): 0.6223739838003843
- Combined Prediction Score: 0.7653717169905383
- Mean Citation Score: 313.13497399999994
- Max Citation Score: 628.59656
- Similarity Product: 491.44820056211466

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test