ClassID:

174066

G02B6/29347 - 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 Loop interferometers, e.g. Sagnac, loop mirror

Recent Application in this class:
#1
20250109941
2025-04-03

SYSTEMS AND METHODS FOR EFFECTIVE RELATIVE INTENSITY NOISE SUBTRACTION FOR A BROADBAND RESONATOR OPTICAL GYROSCOPE

#2
20250020967
2025-01-16

SEMICONDUCTOR DEVICE INCLUDING OPTICAL RING WAVEGUIDE

#3
20230184596
2023-06-15

Fiber optic temperature sensor and sensing head structure

#4
20230089696
2023-03-23

Optical filter and wavelength tunable laser element

#5
20210333089
2021-10-28

Demodulation of fiber optic interferometric sensors

#6
20200127739
2020-04-23

Rx delay line inteferometer tracking in closed-loop module control for communication

#7
20200012048
2020-01-09

Method and device for non-reciprocal transmission of electromagnetic radiation beam

#8
20190268075
2019-08-29

RX delay line inteferometer tracking in closed-loop module control for communication

#9
20190258006
2019-08-22

High-order optical fiber multi-wavelength filter, and continuous wavelength tuning method using the same

#10
20180375587
2018-12-27

Rx delay line inteferometer tracking in closed-loop module control for communication

#11
20170199037
2017-07-13

Fiber optic gyroscope with 3×3 and 2×2 waveguide couplers

#12
20170115110
2017-04-27

Compact portable double differential fiber optic Sagnac interferometer

#13
20160306112
2016-10-20

Photonic integrated device

#14
20160252341
2016-09-01

Method and structure for diminishing signal interference of transmission path of optical fibre interference system

#15
20160231120
2016-08-11

Interferometric system with multiaxial optical fibre and method for processing an interferometric signal in such a system

#16
20160036531
2016-02-04

Wavelength-reuse fiber-optic transmitters

#17
20140161384
2014-06-12

Integrated photonic devices with reduced sensitivity to external influences

#18
20140050473
2014-02-20

Sagnac interferometer event sensing and locating device

#19
20140029083
2014-01-30

Modulation averaging reflectors

#20
20130050709
2013-02-28

SAGNAC INTERFEROMETER WITH BUNDLE-FIBER COIL

#21
20050147348
2005-07-07

Hitless variable-reflective tunable optical filter

#22
20050053328
2005-03-10

Optical monitor and a method for improved optical monitoring