ClassID:

174065

G02B6/29346 - CPC Classification

Classification description:

Light guides; Coupling light guides; Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference

Sub-classes:
Recent Application in this class:
#1
20260016638
2026-01-15

LAYERED OPTICAL QUANTUM CIRCUIT

#2
20250123443
2025-04-17

Large-aperture Flat Light Collector

#3
20250085473
2025-03-13

TRIMMING OF OPTICAL RESPONSE FOR TUNABLE PHOTONIC DEVICES

#4
20240393537
2024-11-28

GERMANIUM PHOTODETECTOR EMBEDDED IN A MULTI-MODE INTERFEROMETER

#5
20230288635
2023-09-14

Trimming of optical response for tunable photonic devices

#6
20230062578
2023-03-02

Coupling devices and methods, wavelength locking systems and methods, and phase unwrapping systems and methods

#7
20220326443
2022-10-13

Germanium photodetector embedded in a multi-mode interferometer

#8
20210405290
2021-12-30

Photonic integrated circuit and light detection and ranging system

#9
20210255394
2021-08-19

Tunable Vernier effect laser emission device

#10
20210223478
2021-07-22

Germanium photodetector embedded in a multi-mode interferometer

#11
20210191044
2021-06-24

Non-planar waveguide structures

#12
20210011220
2021-01-14

Non-planar waveguide structures

#13
20190293871
2019-09-26

Multi-mode interferometer coupler with core strips

#14
20190033529
2019-01-31

Multi-mode interferometer coupler with core strips

#15
20180254832
2018-09-06

OPTICAL RECEPTION DEVICE, OPTICAL MODULATOR AND OPTICAL MODULATION METHOD

#16
20180106671
2018-04-19

Compact interferometer

#17
20180017746
2018-01-18

Optical module that suppresses stray light

#18
20170357140
2017-12-14

Optical interferometer device tolerant to inaccuracy in doping overlay

#19
20170115455
2017-04-27

Thermally compensated fiber interferometer assembly

#20
20160356708
2016-12-08

Optical measuring device having photonic chip with interferometer and phase adjuster set for minimizing signal from interference region

#21
20160341900
2016-11-24

Polarization reducing apparatus, light source apparatus, optical amplifying apparatus, and excitation light source apparatus for raman amplification

#22
20160238792
2016-08-18

FIBRE COUPLER FOR CREATION OF HIGH TEMPERATURE-RESISTANT INTERFEROMETERS AND HIGH TEMPERATURE-RESISTANT INTERFEROMETER

#23
20160238371
2016-08-18

Miniaturized OCT package and assembly thereof

#24
20120008896
2012-01-12

INTEGRATED OPTICS MODULE FOR MULTIPLEX TRANSCEVIER

#25
20110228397
2011-09-22

LIGHT FILTER AND ANALYTICAL INSTRUMENT AND OPTICAL EQUIPMENT USING THE SAME

#26
20060215953
2006-09-28

Optical interferometer

#27
17306801
2023-06-13

Optical bandpass filter based on reflective devices

#28
16199727
2020-03-10

Multiple-layer arrangements using tunable materials to provide switchable optical components

#29
15658795
2018-07-24

Multi-mode interferometer coupler with core strips