EP2008135A4 - Versatile compact transmitter for generation of advanced modulation formats - Google Patents
Versatile compact transmitter for generation of advanced modulation formatsInfo
- Publication number
- EP2008135A4 EP2008135A4 EP07755109.1A EP07755109A EP2008135A4 EP 2008135 A4 EP2008135 A4 EP 2008135A4 EP 07755109 A EP07755109 A EP 07755109A EP 2008135 A4 EP2008135 A4 EP 2008135A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- generation
- modulation formats
- advanced modulation
- compact transmitter
- versatile compact
- 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- Withdrawn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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/5162—Return-to-zero modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/516—Details of coding or modulation
- H04B10/548—Phase or frequency modulation
- H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
- H04B10/5561—Digital phase modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/517—Optical NRZ to RZ conversion, or vice versa
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US78986306P | 2006-04-06 | 2006-04-06 | |
US11/441,944 US7492976B2 (en) | 2002-10-04 | 2006-05-26 | Flat dispersion frequency discriminator (FDFD) |
US85386706P | 2006-10-24 | 2006-10-24 | |
US11/702,436 US7502532B2 (en) | 2002-11-06 | 2007-02-05 | Multi-ring resonator implementation of optical spectrum reshaper for chirp managed laser technology |
PCT/US2007/008729 WO2007117678A2 (en) | 2006-04-06 | 2007-04-06 | Versatile compact transmitter for generation of advanced modulation formats |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2008135A2 EP2008135A2 (en) | 2008-12-31 |
EP2008135A4 true EP2008135A4 (en) | 2015-08-26 |
Family
ID=48470490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07755109.1A Withdrawn EP2008135A4 (en) | 2006-04-06 | 2007-04-06 | Versatile compact transmitter for generation of advanced modulation formats |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2008135A4 (en) |
JP (1) | JP4750205B2 (en) |
KR (1) | KR100993843B1 (en) |
IL (1) | IL194558A (en) |
WO (1) | WO2007117678A2 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5974209A (en) * | 1998-04-30 | 1999-10-26 | Cho; Pak Shing | System comprising an electroabsorption modulator and an optical discriminator |
WO2005089516A2 (en) * | 2004-03-18 | 2005-09-29 | Azna Llc | Flat-topped chirp induced by optical filter edge |
EP1601122A1 (en) * | 2004-05-28 | 2005-11-30 | Lucent Technologies Inc. | Method and apparatus for RZ-DPSK optical signal generation |
EP1612972A1 (en) * | 2004-06-30 | 2006-01-04 | Lucent Technologies Inc. | Method and apparatus for generating CRZ-DPSK optical signals |
US20060002718A1 (en) * | 2002-11-06 | 2006-01-05 | Yasuhiro Matsui | Chirp managed directly modulated laser with bandwidth limiting optical spectrum reshaper |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2107147B (en) * | 1981-09-03 | 1985-07-10 | Standard Telephones Cables Ltd | Optical requency modulation system |
JP2758211B2 (en) * | 1989-06-19 | 1998-05-28 | 富士通株式会社 | Frequency direct modulation PSK method |
US6473214B1 (en) * | 1999-04-01 | 2002-10-29 | Nortel Networks Limited | Methods of and apparatus for optical signal transmission |
JP4089707B2 (en) * | 1999-09-09 | 2008-05-28 | 沖電気工業株式会社 | Optical signal generation circuit |
US6963685B2 (en) * | 2002-07-09 | 2005-11-08 | Daniel Mahgerefteh | Power source for a dispersion compensation fiber optic system |
GB0327605D0 (en) * | 2003-11-27 | 2003-12-31 | Azea Networks Ltd | Method and apparatus for producing chirped RZ-DPSK modulated optical signals |
US20050271394A1 (en) * | 2004-06-02 | 2005-12-08 | James Whiteaway | Filter to improve dispersion tolerance for optical transmission |
-
2007
- 2007-04-06 EP EP07755109.1A patent/EP2008135A4/en not_active Withdrawn
- 2007-04-06 WO PCT/US2007/008729 patent/WO2007117678A2/en active Application Filing
- 2007-04-06 JP JP2009504345A patent/JP4750205B2/en not_active Expired - Fee Related
- 2007-04-06 KR KR1020087027139A patent/KR100993843B1/en not_active IP Right Cessation
-
2008
- 2008-10-06 IL IL194558A patent/IL194558A/en not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5974209A (en) * | 1998-04-30 | 1999-10-26 | Cho; Pak Shing | System comprising an electroabsorption modulator and an optical discriminator |
US20060002718A1 (en) * | 2002-11-06 | 2006-01-05 | Yasuhiro Matsui | Chirp managed directly modulated laser with bandwidth limiting optical spectrum reshaper |
WO2005089516A2 (en) * | 2004-03-18 | 2005-09-29 | Azna Llc | Flat-topped chirp induced by optical filter edge |
EP1601122A1 (en) * | 2004-05-28 | 2005-11-30 | Lucent Technologies Inc. | Method and apparatus for RZ-DPSK optical signal generation |
EP1612972A1 (en) * | 2004-06-30 | 2006-01-04 | Lucent Technologies Inc. | Method and apparatus for generating CRZ-DPSK optical signals |
Also Published As
Publication number | Publication date |
---|---|
KR100993843B1 (en) | 2010-11-12 |
IL194558A (en) | 2013-04-30 |
EP2008135A2 (en) | 2008-12-31 |
KR20090006173A (en) | 2009-01-14 |
JP2009542041A (en) | 2009-11-26 |
WO2007117678A3 (en) | 2009-04-02 |
JP4750205B2 (en) | 2011-08-17 |
WO2007117678A2 (en) | 2007-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB0809360D0 (en) | Calcium modulation | |
GB2446509B (en) | Transmitter including pre-distortion | |
EP2175495B8 (en) | Sealed device | |
EP2192916A4 (en) | Modulation of synaptogenesis | |
EP2294587A4 (en) | Power umbilical | |
GB2440772B (en) | Envelope modulator | |
IL194775A0 (en) | Modulation of lipid rafts | |
EP2517430A4 (en) | Data modulation | |
GB2462873B (en) | Device for generation of microwaves | |
GB0807176D0 (en) | Signal generation | |
GB2462874B (en) | Device for generation of microwaves | |
EP2101747A4 (en) | Cancer chemoprevention strategy based on loss of imprinting of igf2 | |
EP2008135A4 (en) | Versatile compact transmitter for generation of advanced modulation formats | |
EP2051389A4 (en) | Transmitter | |
TWI370472B (en) | Press-button | |
GB0801567D0 (en) | Housing for electronic ballast | |
GB2457967B (en) | Modulation scheme | |
AU2008905931A0 (en) | Efficient wave generating scheme | |
AU2008902214A0 (en) | Modulation of Flightness I | |
AU2007905807A0 (en) | Gas generating device | |
AU2008905577A0 (en) | Seal Apparatus | |
AU2008100501A4 (en) | Train U | |
GB0713329D0 (en) | Richochet (Box & chart) | |
GB2481755B (en) | Envelope modulator | |
AU2009100986A4 (en) | A System of Generating Power for a Vehicle |
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 |
|
17P | Request for examination filed |
Effective date: 20081009 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR MK RS |
|
R17D | Deferred search report published (corrected) |
Effective date: 20090402 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 10/155 20060101ALI20090428BHEP Ipc: H04B 10/04 20060101AFI20090428BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
A4 | Supplementary search report drawn up and despatched |
Effective date: 20150724 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 10/516 20130101ALI20150720BHEP Ipc: H04B 10/50 20130101AFI20150720BHEP Ipc: H04B 10/556 20130101ALI20150720BHEP |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20180307 |
|
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: 20180718 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 10/50 20130101AFI20150720BHEP Ipc: H04B 10/556 20130101ALI20150720BHEP Ipc: H04B 10/516 20130101ALI20150720BHEP |