EP1413078A4 - Diffractive fourier optics for optical communications - Google Patents
Diffractive fourier optics for optical communicationsInfo
- Publication number
- EP1413078A4 EP1413078A4 EP02747944A EP02747944A EP1413078A4 EP 1413078 A4 EP1413078 A4 EP 1413078A4 EP 02747944 A EP02747944 A EP 02747944A EP 02747944 A EP02747944 A EP 02747944A EP 1413078 A4 EP1413078 A4 EP 1413078A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- optical communications
- fourier optics
- diffractive fourier
- diffractive
- optics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/2931—Diffractive element operating in reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
- G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29311—Diffractive element operating in transmission
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29304—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 diffraction, e.g. grating
- G02B6/29305—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
- G02B6/29313—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 diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide characterised by means for controlling the position or direction of light incident to or leaving the diffractive element, e.g. for varying the wavelength response
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29391—Power equalisation of different channels, e.g. power flattening
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29395—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 characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29398—Temperature insensitivity
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0221—Power control, e.g. to keep the total optical power constant
- H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
- G02B6/2793—Controlling polarisation dependent loss, e.g. polarisation insensitivity, reducing the change in polarisation degree of the output light even if the input polarisation state fluctuates
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30375901P | 2001-07-06 | 2001-07-06 | |
US303759P | 2001-07-06 | ||
US34796401P | 2001-11-07 | 2001-11-07 | |
US347964P | 2001-11-07 | ||
PCT/US2002/019797 WO2003005621A1 (en) | 2001-07-06 | 2002-07-03 | Diffractive fourier optics for optical communications |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1413078A1 EP1413078A1 (en) | 2004-04-28 |
EP1413078A4 true EP1413078A4 (en) | 2005-11-09 |
Family
ID=26973633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02747944A Withdrawn EP1413078A4 (en) | 2001-07-06 | 2002-07-03 | Diffractive fourier optics for optical communications |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1413078A4 (en) |
WO (1) | WO2003005621A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7484102B2 (en) | 2004-09-07 | 2009-01-27 | Microsoft Corporation | Securing audio-based access to application data |
US7822303B2 (en) | 2005-09-08 | 2010-10-26 | Oclaro (New Jersey), Inc. | Optical wavelength selective router |
KR101923821B1 (en) | 2017-06-05 | 2018-11-29 | 국방과학연구소 | Design method of dielectric multilayer thin film diffraction grating |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56110908A (en) * | 1980-02-06 | 1981-09-02 | Takumi Tomijima | Wave combination and distribution method of optical signal for optical multiplex communication |
WO2001037021A1 (en) * | 1999-11-16 | 2001-05-25 | Network Photonics, Inc. | Wavelength router |
US6249364B1 (en) * | 1997-02-14 | 2001-06-19 | Photonetics | Optical wave-guide wavelength multiplexer and demultiplexer |
WO2001045430A2 (en) * | 1999-12-15 | 2001-06-21 | American Holographic, Inc. | Grating based communication switching |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2252674C3 (en) * | 1972-10-27 | 1981-02-05 | Bayer Ag, 5090 Leverkusen | Process for the production of aldehydes from olefins |
US5121231A (en) * | 1990-04-06 | 1992-06-09 | University Of Southern California | Incoherent/coherent multiplexed holographic recording for photonic interconnections and holographic optical elements |
CA2079620A1 (en) * | 1991-10-25 | 1993-04-26 | Roeland M. T. Hekker | Holographic elements for an optical recording system |
US6016197A (en) * | 1995-08-25 | 2000-01-18 | Ceramoptec Industries Inc. | Compact, all-optical spectrum analyzer for chemical and biological fiber optic sensors |
US5808763A (en) * | 1995-10-31 | 1998-09-15 | Jds Fitel Inc. | Optical demultiplexor |
US6111674A (en) * | 1996-02-23 | 2000-08-29 | Corning Incorporated | Multiple reflection multiplexer and demultiplexer |
US5724165A (en) * | 1996-07-23 | 1998-03-03 | Macro-Vision Communications, L.L.C. | Fault-tolerant optical routing switch |
US5907404A (en) * | 1997-09-08 | 1999-05-25 | Erim International, Inc. | Multiple wavelength image plane interferometry |
US5999672A (en) * | 1997-12-13 | 1999-12-07 | Light Chip, Inc. | Integrated bi-directional dual axial gradient refractive index/diffraction grating wavelength division multiplexer |
US6275623B1 (en) * | 1999-07-12 | 2001-08-14 | Corning Incorporated | Dynamically configurable spectral filter |
-
2002
- 2002-07-03 EP EP02747944A patent/EP1413078A4/en not_active Withdrawn
- 2002-07-03 WO PCT/US2002/019797 patent/WO2003005621A1/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56110908A (en) * | 1980-02-06 | 1981-09-02 | Takumi Tomijima | Wave combination and distribution method of optical signal for optical multiplex communication |
US6249364B1 (en) * | 1997-02-14 | 2001-06-19 | Photonetics | Optical wave-guide wavelength multiplexer and demultiplexer |
WO2001037021A1 (en) * | 1999-11-16 | 2001-05-25 | Network Photonics, Inc. | Wavelength router |
WO2001045430A2 (en) * | 1999-12-15 | 2001-06-21 | American Holographic, Inc. | Grating based communication switching |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 005, no. 182 (P - 090) 20 November 1981 (1981-11-20) * |
See also references of WO03005621A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2003005621A1 (en) | 2003-01-16 |
EP1413078A1 (en) | 2004-04-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20040123 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7H 04J 14/02 B Ipc: 7G 02B 6/34 A |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20050923 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20051208 |