PATENT CLAIM ANALYSIS

Application Number: 15914864
Application Type: Utility
Filing Date: 2018-03
Publication Date: 2019-09
Patent Classification: ["372", "096000"]

Abstract:
A Distributed Feedback Laser comprises a layer stack comprising a p-layer, an n-layer which are arranged so as to form an pn-junction having an active layer in between. Within the layer stack, an index coupled grating layer or a grating layer is arranged which comprises a first, a second, and a third grating portion. The first, the second, and the third grating portions are asymmetrically arranged along a lateral dimension of the layer stack, wherein the second grating portion is formed without a grating structure.

Claim (Index 1):
A Distributed Feedback Laser device ( 10 ,  10 \u2032), comprising:\n a layer stack ( 12 ,  12 \u2032) having: a p-layer ( 12 p ,  12 p \u2032), n-layer ( 12 n ,  12 n \u2032), which are arranged so as to form a junction having an active layer ( 12 a \u2032) in between; wherein, within the layer stack ( 12 ,  12 \u2032) an index coupled grating layer or a grating layer is arranged, which comprises a first grating portion, a second portion and a third grating portion ( 12 g 3 ,  12 g 3 \u2032), the first grating portion, the second portion and the third grating portions ( 12 g ,  12 g 1 \u2032,  12 g 2 ,  12 g 2 \u2032  12 g 3 ,  12 g 3 \u2032) are asymmetrically arranged along a lateral dimension of the layer stack ( 12 ,  12 \u2032); wherein the second portion ( 12 g 2 ,  12 g 2 \u2032) is formed without a grating structure; wherein the second portion ( 12 g 2 ,  12 g 2 \u2032) has a lateral extension defined by L lps =(2*n 2 +1)*0.5*\u2227, corresponding to multiple \u03bb/4 shifts, wherein \u2227 is the grating period and n 2 >=1.

Metadata:
- Claim Count in Document: 11.0
- Percentile: 90.0
- Lexical Diversity: 1.93878
- Patent Class: 372.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['11280517', '14455396', '12951820', '10385165', '14182335']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8022659172993214
- 35 USC 102 Novelty (BERT): 0.503173094667925
- Combined Prediction Score: 0.7723566350361818
- Mean Citation Score: 219.61066
- Max Citation Score: 232.33035
- Similarity Product: 156.23436729253828

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