F-Term-List

G02B6/12-6/14

AA00
USE

AA01

AA02

AA03

AA04

AA05

. Two-way communication

. Measurement analysis or biology (FD19 takes precedence.)

. . Gyroscopes

. Displays or recordings

. . Optical pickups

AB00
OPTICAL FUNCTION IN OPTICAL INTEGRATED CIRCUIT

AB01

AB02

AB03

AB04

AB05

AB06

AB07

AB09

AB10

. Light intensity

. . Variable optical attenuators or optical modulators

. . Optical amplifiers or SOAs

. . Light-emitting elements

. . Light-receiving elements

. . . Light-receiving elements for monitors

. . . forming light-absorbing layers on surface layers of substrates

. . Integration of waveguides on substrates for forming optical elements or the like

. . . Butt joints

AB11

AB12

AB13

AB15

AB16

AB17

AB18

AB19

AB20

. Phases or optical delays

. . Dispersion regulation

. . . Compensation or reduction of dispersion

. Wavelength

. . Wavelength filters

. . Wavelength multiplexing or demultiplexing

. . . Gain or loss equalisation

. . . Optical ADMs

. . Wavelength conversion

AB21

AB22

AB24

AB27

AB28

AB29

. Polarised light or polarisation (AB22 takes precedence)

. Non-reciprocal elements e.g. isolators

. Beam diameter conversion or collimation

. Modes (AB21 or AB24 takes precedence.)

. . Mode conversion

. . Mode filters

AB31

AB32

AB36

AB37

AB38

AB40

. Directions (AB17 AB21 or AB27 takes precedence.)

. . Optical switches e.g. variable direction switching

. Nonlinear optics (AB37 takes precedence)

. Optical memories or optical bistability

. Optical pulse shaping and compression or optical pulse train generation

. Non-planar waveguide types

AC00
CONTROL FACTOR FOR ELEMENT UNDER USE CONDITIONS

AC01

AC02

AC04

AC05

AC07

AC09

. Voltage or electric fields

. Currents or carrier densities

. Temperatures

. . with temperature control parts being thin film-shaped or linear

. Magnetic fields

. Sonic waves or elastic waves

AC11

AC12

AC14

AC15

AC17

AC19

. Light

. . Plasmons or polaritons

. Pressure or stress (AC15 takes precedence.)

. Mechanical displacement or deformation

. Control for maintaining or finely adjusting element characteristics

. characterised by temporal or local changes in control factors

BA00
CHARACTERISTIC CROSS-SECTION STRUCTURE OF WAVEGUIDES

BA01

BA02

BA05

BA06

BA07

BA09

BA10

. Slab waveguides (BA02 BE04 or 23 takes precedence.)

. Multimode waveguides (BE21 takes precedence)

. Ridges or ribs

. High mesas

. Loading types

. characterised by refractive index distribution (BA07 takes precedence)

. Cores formed in recesses of substrates and cladding layers

BA11

BA12

BA14

BA15

BA17

BA18

. Special shapes of core cross sections

. . Circles

. multilayered in the core cross sections (BA15 or BF takes precedence)

. Quantum wells quantum wires or quantum dots

. Air bridge structures

. ARROW structures

BB00
LONGITUDINAL STRUCTURE OF WAVEGUIDE FOR CONVERSION OF LIGHT DIAMETER, SHAPE OR CONFINEMENT

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

BB09

BB10

. changing cross sections and shape or tapers (BE21 takes precedence)

. . changing core widths

. . changing core thickness

. . Diameter expansion or leakage of guided waves due to core reduction

. . changing cross sections and shape of claddings

. . changing in nonlinear

. changing the effective refractive indexes (BB04 takes precedence)

. Local change of cross section areas (see Image 121) (BE21 takes precedence)

. consisting of a plurality of cores

. Embedding and cascade connections of cores with light distribution restriction members

BC00
PERIODIC STRUCTURE IN LONGITUDINAL DIRECTION OF WAVEGUIDE (BF TAKES PRECEDENCE)

BC01

BC02

BC03

BC05

BC06

BC07

BC08

BC10

. Dividing or segmenting type

. Refractive index modulating-type

. Concavo-convex types

. Waveguide gratings or holograms (BE04 takes precedence)

. . Long period types

. . Tilting types

. . Curving types or light focusing types (BD12 takes precedence)

. Periodic polarisation reversal

BC11

BC12

BC13

BC14

. Characteristic periodic structure

. . changing modulation amplitudes in the longitudinal directions

. . changing width or thickness of cores or the like in longitudinal directions

. . changing pitches in longitudinal directions

BD00
OTHER CHARACTERISTIC LONGITUDINAL STRUCTURE OF WAVEGUIDES

BD01

BD02

BD03

BD04

BD05

BD07

BD08

BD09

BD10

. characterised by curved or bent waveguides (BD07-08 take precedence)

. . S section or folded shape

. . Ring-shaped disc-shaped or microspheres

. . . spiral

. . Pitch conversion waveguides

. Reflected and folded waveguide circuits (BD08 takes precedence)

. Waveguide type multiple reflection and etalons

. Waveguide structures of end surfaces (BD07-BD08 take precedence)

. . Tilted ends or tilted waveguides (BD07-BD08 take precedence)

BD11

BD12

BD13

BD14

BD15

BD16

BD17

BD19

BD20

. Waveguide type lenses

. . Fresnel lenses or grating lenses

. Waveguide type prisms

. Waveguide-type polarising elements or birefringent waveguides

. . Waveguide type polarised light splitting and synthesising

. . Waveguide type polarised light rotation and conversion

. . Waveguide type polarisers

. Shifted axis arrangements of waveguides

. Discontinuous waveguides (BC01 or CC02 takes precedence)

BE00
COMBINED STRUCTURE OF WAVEGUIDES

BE01

BE02

BE03

BE04

BE05

BE06

BE07

. Mach-Zehnder types (BE03 takes precedence)

. Branching - unequal optical path length - synthesis

. . Asymmetric Mach-Zehnder types

. . Arrayed waveguide type diffraction gratings (AWGs)

. . . characterised by input and output waveguides

. . . characterised by input and output slab waveguides

. . . characterised by arrayed waveguides

BE11

BE12

BE13

BE14

BE15

BE16

BE17

BE18

BE19

BE20

. Branching intersecting or directional coupling

. . X branching or cross intersecting

. . Y branching or T intersecting

. . M X N (N>=3)

. . Directional coupling

. . . forming diffraction gratings in directional coupling parts

. . characterised by branching intersecting or directional coupling parts

. . . characterised by the refractive index distribution

. . . characterised by core shape

. . . Unequal distribution

BE21

BE22

BE23

BE26

. Mixing or interference between modes or mixing and distribution

. . Multimode interference (MMI)

. . Star couplers (BE04 takes precedence)

. Coupling between separated waveguides (BE15 takes precedence)

BF00
PHOTONIC CRYSTAL

BF01

BF02

BF03

BF04

BF05

BF06

BF08

BF09

BF10

. Periodic structures

. . One-dimensional

. . Two-dimensional

. . Three-dimensional

. . Particulate coagulation

. . Accumulation of columnar bodies

. . changing periodic structures in the guided wave directions (BF12 takes precedence)

. . changing periodic structures not in guided wave directions (BF12 takes precedence)

. . guiding light in periodic structure parts

BF11

BF12

BF13

BF14

BF15

BF17

BF18

. Other structures

. . Defects

. . . Linear defects

. . . Point-like defects

. . . . Coupling defects

. . Connection and accumulation of waveguides and PhC

. . having optical functions by local filling or the like

BG00
OTHER CHARACTERISTIC STRUCTURE OF WAVEGUIDES

BG01

BG02

BG03

BG04

BG05

BG06

BG07

BG08

BG09

BG10

. Optical path conversions in thickness directions

. . Optical path conversion by slopes

. . . Optical path conversions by curved surfaces

. . Grating couplers or prism couplers

. forming optical path converter parts in parts of cross sections of light guide units

. Grooves recesses or notches (BA10 takes precedence)

. . V-grooves pyramid grooves or triangular grooves

. . Slit-shaped

. . Groove formation in non-formation areas of cores (CC02 takes precedence)

. . characterised by waveguide structures in the vicinity of grooves (BD07 takes precedence)

BG11

BG13

BG14

BG15

BG17

BG19

. Dummy waveguides

. characterised by substrates (BG17 or EA take precedence)

. . Partial removal of substrates (BA10 or BG15 takes precedence)

. . having protrusions for mounting optical elements

. Flexible waveguides or film waveguides

. using specific crystal orientation or having specific plane orientation

CA00
OPTICAL ELEMENT

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

CA09

CA10

. Fibres (CA12 takes precedence)

. . Multimode fibres

. . Polarisation plane preserving fibres

. . Short length fibres

. . Fibre arrays or fibre bundles

. . Fibre couplers

. . characterised by fibre end surfaces

. Lenses (BD11 or CA07 takes precedence)

. Prisms (BD13 or CA13 takes precedence)

. Light-scattering elements or diffusion elements

CA11

CA12

CA13

CA14

CA15

CA16

CA17

CA18

CA19

CA20

. Diffraction gratings or holograms (BC05 takes precedence)

. . Fibre types (FG)

. Reflecting elements (CA10 CA17 or CA21 takes precedence)

. . Half mirrors

. . Curved surface shape

. Multiple reflection or etalons (BD08 takes precedence)

. Wavelength filters (CA11 takes precedence)

. Light-absorbing members or light-shielding members (CA17 takes precedence)

. . Diaphragms or apertures

. Spatial modulators or spatial filters

CA21

CA22

CA23

CA24

CA25

CA26

CA27

CA28

CA29

CA30

. Polarising elements or birefringent elements (BD14 takes precedence)

. . Polarised light splitting or synthesis (BD15 takes precedence)

. . Polarised light rotation or conversion (BD16 takes precedence)

. . Light polarisers (BD17 takes precedence)

. Non-reciprocal elements e.g. isolators

. Others

. . Anti-reflection coatings

. . Transparent bodies of light guide units (BA-BG or CA01 take precedence)

. . . Double seals

. . Refractive index matching

CB00
LIGHT INPUT AND OUTPUT COUPLING, E.G. ONE SIDE NOT BEING A WAVEGUIDE

CB01

CB02

CB03

CB04

CB05

CB06

CB07

CB08

CB09

CB10

. Coupling with fibres

. . arranging input or output fibres in the same end surfaces

. Coupling with optical elements

. . Optical interconnections

. . Coupling in the thickness directions through optical path converting means

. . . Light guide units between optical elements and waveguide substrates

. . . Substrates between light guide units and optical elements

. . . Optical elements between light guide units and substrates

. . Optical path conversions within planes

. . Couplings with radiation modes

CC00
POSITIONING OR FIXING

CC01

CC02

CC03

CC05

CC07

CC08

CC10

. Positioning (CC15 takes precedence)

. . Grooves or recesses (BA10 takes precedence)

. . . Engagement of projections with recesses (CC05 takes precedence)

. . Guide pins or guide rails

. . Markers

. . . Simultaneous formations with waveguides or the like

. . Positioning or misalignment prevention in the height directions

CC11

CC12

CC13

CC14

CC15

CC17

CC18

CC20

. Fixing

. . Adhesives

. . . Photocurability

. . Solder

. . . Positioning by surface tension

. . Optical bonding or intermolecular force

. . Fusion

. Detachable or replaceable

CD00
ARRANGEMENT OF OPTICAL ELEMENT, WAVEGUIDE, OR THE LIKE

CD01

CD02

CD04

CD05

CD07

CD09

CD10

. Series

. Parallel or arrays

. Tree-shaped

. Matrix-shaped

. Mounting in several faces e.g. double sides or the like of substrates

. Mountings optical elements in substrates separate from waveguide substrates

. Upside down mounting

CD11

CD12

CD13

CD15

CD16

CD17

CD18

. Configuration or lamination of waveguides

. . Propagation of light in thickness directions

. . . Light guide members extending in thickness directions

. Optical coupling between waveguide substrates or the like

. . recombinable

. . Mutual cross coupling

. . Couplings through the front faces or rear faces of substrates or the like

DA00
OTHER STRUCTURE

DA01

DA02

DA03

DA04

DA05

DA06

DA07

DA08

DA09

DA10

. Mounting or packaging

. . Cases packages or storing bodies

. . . characterised by mounting elements to housings

. . . characterised by fibre insertion parts

. . Sealing

. . . Resin sealing or gel sealing

. . characterised by the mounting in temperature regulating units

. . Mounting of electronic circuits or electric wiring

. . . Electrical wiring inside substrates or the like

. . . Control circuits or electronic circuits

DA11

DA12

DA13

DA15

DA18

DA19

. characterised by electrodes or thin-film heaters

. . characterised by shape

. . transparent

. characterised by structure of temperature regulating units (DA07 or 11 takes precedence)

. characterised by surfaces or end surfaces (BD09 or FA29 takes precedence)

. . Protective films or protective structure

EA00
MATERIAL OF WAVEGUIDES, SUBSTRATES, OR OTHER CHARACTERISTIC UNITS

EA01

EA02

EA03

EA04

EA05

EA06

EA07

EA08

EA09

EA10

. Main ingredients or host materials

. . Inorganic materials

. . . ABO3 types

. . . . (KLi)(TaNb)O3

. . . . . Li(TaNb)O3

. . . . PLZTs PZTs or transparent porcelain

. . . A3B5O12 types or garnet structure

. . . KTP KDP or ADP

. . . Ceramics (EA06 takes precedence)

. . . Metal

EA12

EA13

EA14

EA15

EA16

EA17

EA18

EA19

EA20

. . . Semiconductors

. . . . Si

. . . SiO2 quartz glass or SiON

. . . Al2O3 or sapphire

. . Organic materials (EA22 takes precedence)

. . . Polyimides

. . . Siloxanes or silicone resins

. . . PMMAs or acrylics

. . . Epoxies

EA22

EA23

EA24

EA25

. . Liquid crystals

. . Amorphous (EA14 takes precedence)

. . Porosity

. . Air

EA31

EA32

EA33

EA34

EA35

EA36

EA37

EA38

EA39

EA40

. Dopants

. . Inorganic materials

. . . Protons hydrogen ions or deuterium

. . . P

. . . Ge

. . . B

. . . Ti

. . . Rare earths e.g. Er or the like

. . . Metals (EA34-38 take precedence)

. . . Halogens

EA42

EA43

EA44

EA45

EA47

EA48

. . . Semiconductors (EA34-EA38 take precedence)

. . Organic materials (EA44 takes precedence)

. . Liquid crystals

. . Particles microcrystals fillers or beads

. . combined with several dopants in one layer

. . characterised by changes of dopant concentrations in layers or inter layers

FA00
PROCESS OF MANUFACTURE 1: FILM FORMATION OR CRYSTAL GROWTH (FD01 TAKES PRECEDENCE)

FA01

FA02

FA03

FA04

FA05

FA06

FA07

FA08

FA09

FA10

. Methods for forming films or methods for growing crystals

. . Vapour deposition

. . . Chemical vapour deposition (FA21 takes precedence)

. . . . MOCVD or MOVPE

. . . . PCVD or PECVD

. . . Physical vapour deposition or evaporation

. . . . Molecular beam epitaxy

. . . . Electron beam evaporation

. . . . Sputtering

. . . characterised by source targets

FA11

FA12

FA13

FA15

FA16

FA17

FA18

FA20

. . Liquid deposition or immersion of substrates into solutions or melt

. . Solid phase growth

. . Selective growth

. . Printing or mechanical transferring (FA16 takes precedence)

. . Relative movement of heads or the like (FA17 or 21 takes precedence)

. . Spin coat

. . Sol-gel processes

. . Plating or electrodeposition (FA06 takes precedence)

FA21

FA22

FA24

FA25

FA26

FA27

FA28

FA29

. . Flame hydrolysis deposition methods (FHDs)

. . . characterised by deposition processes of porous glass

. Treatment on substrates or films (FB-FC take precedence)

. . Heat treatment or annealing (FB11 takes precedence)

. . . Clarification or vitrification

. . . Thermal oxidation or thermal nitridation

. . Anodic oxidation

. . Roughening and step formation of substrates and films or surface roughness

FB00
PROCESS OF MANUFACTURE 2: ADJUSTMENT OF REFRACTIVE INDEXES, BIREFRINGENCES, AND SIZES

FB01

FB02

FB03

FB04

FB05

FB07

FB09

. Beam irradiation

. . Beam scanning

. . Beam irradiation or optical formation in thickness directions

. . Irradiation through masks

. . Photo bleach

. Pressures stresses or mechanical deformation

. Temperatures (FB11 takes precedence)

FB11

FB12

FB13

FB15

FB16

. Doping or diffusion of dopants

. . Thermal diffusion or external diffusion (FB13 takes precedence)

. . Ion exchanges or proton exchanges

. for correction or adjustment of characteristics of elements before use

. . with formations of adjusting films or adjusting bodies

FC00
PROCESS OF MANUFACTURE 3: SUBSTANCE-REMOVING METHODS (FD14 TAKES PRECEDENCE)

FC01

FC02

FC03

FC04

FC05

FC06

FC07

FC08

FC09

FC10

. Etching

. . Wet processes (wet etching)

. . Dry processes (dry etching)

. . . Plasma etching (FC05 takes precedence)

. . . Reactive ion etching (RIE)

. Lift off

. Cutting polishing trimming cleavage or cutting

. . by mechanical methods

. . by beam irradiation

. with saving or recovering means of surplus materials

FD00
PROCESS OF MANUFACTURE 4: OTHER PROCESSES OF MANUFACTURE

FD01

FD02

FD03

FD04

FD05

FD06

FD07

FD08

FD09

FD10

. Moulding or moulds

. . Moulds with protrusions corresponding to cores

. . Moulds with recesses corresponding to cores

. . Manufacturing processes of forming moulds or stampers

. . . Use of master moulds

. . Forming of sheets or plates

. Drawing

. Polymerisation

. characterised by masks (FB04 takes precedence)

. Self-aligning or self-organizational processes of manufacture

FD11

FD12

FD13

FD14

FD15

FD16

FD17

FD18

FD19

FD20

. Alignment methods of polarisation and substances

. batch formations of several portions having alternative functions

. Element isolation

. Peeling of films sheets substrates or the like

. Crimping or laminating of films sheets substrates or the like

. Manufacturing apparatus (FD 17 takes precedence)

. Assembling or mounting devices

. Accessories jigs or tools

. characterised by characteristics of waveguides evaluation or analysis of quality of films

. characterised by designs or simulations

FE00
PROCESS OF MANUFACTURE 5: TYPE OF BEAM OR ELECTROMAGNETIC FIELD USED IN MANUFACTURE

FE01

FE02

FE03

FE04

FE05

FE06

FE07

FE08

FE09

. shorter wavelengths than ultra-violet light (FE06 takes precedence)

. Ultra-violet light

. Light with wavelengths longer than ultra-violet light

. Femtosecond lasers or ultra-short optical pulses

. Interference light

. Charged particles

. . Electron beams

. Voltage electric fields or microwaves

. Magnetic fields

FF00
PROCESS OF MANUFACTURE 6: MANUFACTURING CONDITIONS, E.G. ATMOSPHERES, PRESSURE, TEMPERATURE

FF01

FF02

FF03

FF04

FF05

FF06

FF07

FF08

FF09

FF10

. Atmospheres

. Pressure

. . High pressure (FD01 takes precedence)

. . Low pressure or vacuum

. Temperatures

. . 200

. . 500

. . 750

. . T>1000 degree centigrade

. . Temperature gradients or temperature distribution

GA00
PURPOSE, PROBLEM OR EFFECT

GA01

GA02

GA03

GA04

GA05

GA06

GA08

GA10

. Temperature independence or temperature compensation (GA03 takes precedence)

. . Use of materials different in temperature dependence of refractive indexes

. Drift counter-measures

. Homogenisation of temperature distribution

. Thermal insulation or suppression of thermal crosstalk

. Counter-measures against high temperature or heat

. Acceleration (GA30 takes precedence)

. Miniaturisation or density growth

GA11

GA12

GA13

GA15

GA16

GA17

GA19

GA20

. Polarisation independence

. Matching of warpage suppression or coefficient of thermal expansion

. Prevention of core from deformation

. Improvement or homogenisation of quality of films or crystals

. Flattening of surfaces or end surfaces in films or substrates

. Enhancement of adhesion of films

. Loss reduction or transmission improvement

. Waterproofing moisture resistance or dew formation preventing

GA21

GA22

GA23

GA24

GA25

GA26

GA28

GA29

GA30

. Multiple channelising or scaling up

. Wider bandwidth or wavelength independence (GA30 takes precedence)

. . Flattening of wavelength selection characteristics

. Narrower bandwidth or high Q value adding

. Suppression of optical noise crosstalks or the like

. . Suppression of reflection or return light (CA27 takes precedence)

. Enhancement of electrical characteristics

. . Reduction of power consumption or drive voltage

. . Enhancement of high frequency characteristics

2H147	OPTICAL INTEGRATED CIRCUITS
	G02B6/12 -6/14