ClassID:

174286

G02B6/4291 - CPC Classification

Classification description:

Light guides; Coupling light guides; Coupling light guides with opto-electronic elements; Packages, e.g. shape, construction, internal or external details; Optical modules with tapping or launching means through the surface of the waveguide by accessing the evanescent field of the light guide

Recent Application in this class:
#1
20260086307
2026-03-26

OPTICAL COUPLING USING SHIFTED OUT-OF-PLANE LIGHT PROPAGATION

#2
20250347868
2025-11-13

OPTICAL COUPLING STRUCTURE FOR SEMICONDUCTOR DEVICE

#3
20250251556
2025-08-07

ENABLING LONG-RANGE EVANESCENT WAVE COUPLING BETWEEN PHOTONIC WAVEGUIDES

#4
20250102751
2025-03-27

MANAGING CO-PACKAGING OF PHOTONIC INTEGRATED CIRCUITS

#5
20250076599
2025-03-06

INTERPOSER WITH PLANAR SIDEWALL SURFACE FOR OPTICAL COUPLING AND METHODS OF FORMING THE SAME

#6
20250067942
2025-02-27

ELECTRICAL-OPTICAL CONVERSION WITH 3D STACKED PHOTONIC CHIPLET(S) IN SUBSTRATE

#7
20240369783
2024-11-07

OPTICAL COUPLING STRUCTURE FOR SEMICONDUCTOR DEVICE

#8
20240045158
2024-02-08

WAVEGUIDE SUBSTRATE CONNECTION SYSTEMS AND METHODS

#9
20220390744
2022-12-08

Near-eye display system having multiple pass in-coupling for waveguide display

#10
20220357529
2022-11-10

Waveguide combiners having a pass-through in-coupler grating

#11
20220221670
2022-07-14

Apparatus and method for hybrid opto-electrical multichip module

#12
20210215603
2021-07-15

PLANAR WAVEGUIDE DEVICE WITH NANO-SIZED FILTER

#13
20210173160
2021-06-10

Apparatus and method for hybrid opto-electrical multichip module

#14
20210063660
2021-03-04

WAVEGUIDE TUBE HAVING A NANO PLATING LAYER AND WAVEGUIDE TUBE ASSEMBLY INCLUDING THE SAME

#15
20200240912
2020-07-30

Planar waveguide device with nano-sized filter

#16
20200091576
2020-03-19

Guiding set of radio-electric waves and antenna comprising such a set

#17
20190235171
2019-08-01

Optical couplers for evanescent coupling of polymer clad fibers to optical waveguides using alignment features

#18
20190219445
2019-07-18

Miniaturized waveguide imaging spectrometer

#19
20190196107
2019-06-27

Polarization selective coupler

#20
20180188454
2018-07-05

FIBER-WAVEGUIDE EVANESCENT COUPLER

#21
20180188450
2018-07-05

Photonic chip with an evanescent coupling interface

#22
20180156979
2018-06-07

Photonic chips based on multimode fiber-to-waveguide coupling

#23
20180113072
2018-04-26

Hydrocarbon sensing methods and apparatus

#24
20170160167
2017-06-08

Optical power monitor device and optical power monitor method

#25
20170139132
2017-05-18

Silicon photonic chip with through VIAS

#26
20170074752
2017-03-16

Coupling loss evaluation

#27
20160359289
2016-12-08

Optical-power monitoring device, fiber laser, and optical-power monitoring method having different regions of a second fiber covered by a low-refractive-index resin layer and a high-refractive-index resin layer

#28
20160334590
2016-11-17

Active photonic integrated circuit (PIC) with embedded coupling efficiency monitoring

#29
20160327748
2016-11-10

Photonic chips based on multimode fiber-to-waveguide coupling

#30
20160313513
2016-10-27

Optical fiber connector validation

#31
20160274301
2016-09-22

Devices with semiconductor hyperbolic metamaterials

#32
20160246020
2016-08-25

Optical coupler provided with an intermediate waveguide

#33
20160216450
2016-07-28

Systems And Methods For Coupling Electromagnetic Radiation From Fiber Arrays Into Waveguides And Photonic Chips

#34
20160187333
2016-06-30

Planar waveguide based cartridges and associated methods for detecting target analyte

#35
20160116403
2016-04-28

Hydrocarbon sensing methods and apparatus

#36
20160077282
2016-03-17

Fiber-waveguide evanescent coupler

#37
20150351841
2015-12-10

Guided wave ablation and sensing

#38
20150268417
2015-09-24

Buried waveguide photodetector

#39
20150177470
2015-06-25

Method and apparatus providing a coupled photonic structure

#40
20150124575
2015-05-07

Near-field light generator including a waveguide and a plasmon generator

#41
20150016234
2015-01-15

Plasmonic funnel for focused optical delivery to a magnetic medium

#42
20140212084
2014-07-31

Fiber sensor

#43
20130279848
2013-10-24

Method and apparatus providing a coupled photonic structure

#44
20130223196
2013-08-29

PLASMONIC FUNNEL FOR FOCUSED OPTICAL DELIVERY TO A METALLIC MEDIUM

#45
20120288281
2012-11-15

Multi-drop optical communication

#46
20120121221
2012-05-17

Optical nanofiber resonator

#47
20110140011
2011-06-16

HOT LINE DETECTION DEVICE

#48
20110091155
2011-04-21

In-line forward/backward fiber-optic signal analyzer

#49
20090202205
2009-08-13

Adjustable optical tap

#50
20080181279
2008-07-31

Optical device and system and method for fabricating the device

#51
14563860
2017-04-18

Reconfigurable optical-to-optical frequency conversion method and apparatus