RU98117454A - OPTICAL FIBER AMPLIFIER FOR OPERATION WITH SEALING OF CHANNELS BY WAVE LENGTHS - Google Patents

OPTICAL FIBER AMPLIFIER FOR OPERATION WITH SEALING OF CHANNELS BY WAVE LENGTHS Download PDF

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Publication number
RU98117454A
RU98117454A RU98117454/09A RU98117454A RU98117454A RU 98117454 A RU98117454 A RU 98117454A RU 98117454/09 A RU98117454/09 A RU 98117454/09A RU 98117454 A RU98117454 A RU 98117454A RU 98117454 A RU98117454 A RU 98117454A
Authority
RU
Russia
Prior art keywords
fiber amplifier
amplification
amplifier according
channels
sealing
Prior art date
Application number
RU98117454/09A
Other languages
Russian (ru)
Inventor
Петер КРУММРИХ (DE)
Петер Круммрих
Original Assignee
Сименс Акциенгезелльшафт (DE)
Сименс Акциенгезелльшафт
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Сименс Акциенгезелльшафт (DE), Сименс Акциенгезелльшафт filed Critical Сименс Акциенгезелльшафт (DE)
Publication of RU98117454A publication Critical patent/RU98117454A/en

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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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/296—Transient power control, e.g. due to channel add/drop or rapid fluctuations in the input power
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)

Claims (8)

1. Волоконный усилитель с, по меньшей мере, двумя последовательно включенными усилительными ступенями (OV1, OV2), отличающийся тем, что каждая усилительная ступень (OV1, OV2) имеет постоянное усиление и что между усилительными ступенями (OV1, OV2) включен регулируемый оптический аттенюатор (DG).1. A fiber amplifier with at least two series-connected amplification stages (OV1, OV2), characterized in that each amplification stage (OV1, OV2) has a constant gain and that an adjustable optical attenuator is connected between the amplification stages (OV1, OV2) (DG). 2. Волоконный усилитель по п. 1, отличающийся тем, что усиление первой усилительной ступени (OV1) отрегулировано на постоянное значение. 2. The fiber amplifier according to claim 1, characterized in that the amplification of the first amplification stage (OV1) is adjusted to a constant value. 3. Волоконный усилитель по п. 1 или 2, отличающийся тем, что выходной сигнал оптического аттенюатора (DG) отрегулирован или установлен на постоянное значение. 3. The fiber amplifier according to claim 1 or 2, characterized in that the output signal of the optical attenuator (DG) is adjusted or set to a constant value. 4. Волоконный усилитель по п. 1, 2 или 3, отличающийся тем, что усиление или выходная мощность второй усилительной ступени (OV2) отрегулированы на постоянное значение. 4. The fiber amplifier according to claim 1, 2 or 3, characterized in that the amplification or output power of the second amplifier stage (OV2) is adjusted to a constant value. 5. Волоконный усилитель по одному из предшествующих пунктов, отличающийся тем, что между усилительными ступенями (OV1, OV2) включен оптический фильтр (OF). 5. The fiber amplifier according to one of the preceding claims, characterized in that an optical filter (OF) is included between the amplification stages (OV1, OV2). 6. Волоконный усилитель по одному из предшествующих пунктов, отличающийся тем, что первая усилительная ступень (OV1) в рамках необходимого усиления оптимирована в отношении шумовых свойств. 6. The fiber amplifier according to one of the preceding paragraphs, characterized in that the first amplification stage (OV1) within the necessary amplification is optimized for noise properties. 7. Волоконный усилитель по одному из предшествующих пунктов, отличающийся тем, что усиление обоих усилителей установлено так, что в целом достигается минимальное или желаемое опрокидывание. 7. The fiber amplifier according to one of the preceding paragraphs, characterized in that the amplification of both amplifiers is set so that as a whole the minimum or desired tipping is achieved. 8. Волоконный усилитель по одному из предшествующих пунктов, отличающийся тем, что в случае, если предусмотрено более двух усилительных ступеней (OV1, OV2), то включены дальнейшие регулируемые оптические аттенюаторы. 8. The fiber amplifier according to one of the preceding paragraphs, characterized in that if more than two amplifier stages (OV1, OV2) are provided, then further adjustable optical attenuators are included.
RU98117454/09A 1996-12-20 1997-11-27 OPTICAL FIBER AMPLIFIER FOR OPERATION WITH SEALING OF CHANNELS BY WAVE LENGTHS RU98117454A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19653466 1996-12-20
DE19653466.6 1996-12-20

Publications (1)

Publication Number Publication Date
RU98117454A true RU98117454A (en) 2000-07-20

Family

ID=7815650

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98117454/09A RU98117454A (en) 1996-12-20 1997-11-27 OPTICAL FIBER AMPLIFIER FOR OPERATION WITH SEALING OF CHANNELS BY WAVE LENGTHS

Country Status (6)

Country Link
EP (1) EP0898798A1 (en)
JP (1) JP2000505954A (en)
CN (1) CN1216641A (en)
AU (1) AU5309298A (en)
RU (1) RU98117454A (en)
WO (1) WO1998028826A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19838788A1 (en) 1998-08-26 2000-03-09 Siemens Ag Controlled optical amplifier

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406404A (en) * 1993-11-02 1995-04-11 At&T Corp. Method of mitigating gain peaking using a chain of fiber amplifiers
CA2139957C (en) * 1994-02-18 1999-02-09 Andrew R. Chraplyvy Multi-channel optical fiber communication system
US5539563A (en) * 1994-05-31 1996-07-23 At&T Corp. System and method for simultaneously compensating for chromatic dispersion and self phase modulation in optical fibers
PE41196A1 (en) * 1994-07-25 1996-12-17 Pirelli Cavi Spa AMPLIFIED TELECOMMUNICATION SYSTEM FOR MULTIPLEX TRANSMISSIONS BY WAVE LENGTH DIVISION, ABLE TO LIMIT THE VARIATIONS IN THE OUTPUT POWER
JPH08248455A (en) * 1995-03-09 1996-09-27 Fujitsu Ltd Optical amplifier for wavelength multiplexing
JP3739453B2 (en) * 1995-11-29 2006-01-25 富士通株式会社 Optical amplifier and optical communication system provided with the optical amplifier
JP3298396B2 (en) * 1996-02-06 2002-07-02 日本電信電話株式会社 Optical amplifier

Also Published As

Publication number Publication date
EP0898798A1 (en) 1999-03-03
CN1216641A (en) 1999-05-12
JP2000505954A (en) 2000-05-16
WO1998028826A1 (en) 1998-07-02
AU5309298A (en) 1998-07-17

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FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20041123