DE69936675D1 - WDM System mit einem optischen Verstärker geeignet zum Umschalten zwischen AGC-, ALC- und Sicherheits-Betriebsmoden - Google Patents

WDM System mit einem optischen Verstärker geeignet zum Umschalten zwischen AGC-, ALC- und Sicherheits-Betriebsmoden

Info

Publication number
DE69936675D1
DE69936675D1 DE69936675T DE69936675T DE69936675D1 DE 69936675 D1 DE69936675 D1 DE 69936675D1 DE 69936675 T DE69936675 T DE 69936675T DE 69936675 T DE69936675 T DE 69936675T DE 69936675 D1 DE69936675 D1 DE 69936675D1
Authority
DE
Germany
Prior art keywords
alc
agc
switching
optical amplifier
operating modes
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.)
Expired - Lifetime
Application number
DE69936675T
Other languages
English (en)
Inventor
Kazuo Takatsu
Yoshinori Tochiki
Kimio Uekama
Takeshi Sakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE69936675D1 publication Critical patent/DE69936675D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B10/564—Power control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4004—Coupling between buses
    • G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
    • 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
    • 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
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters
    • 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
    • H04B10/572—Wavelength control
DE69936675T 1998-02-27 1999-02-26 WDM System mit einem optischen Verstärker geeignet zum Umschalten zwischen AGC-, ALC- und Sicherheits-Betriebsmoden Expired - Lifetime DE69936675D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6474998 1998-02-27

Publications (1)

Publication Number Publication Date
DE69936675D1 true DE69936675D1 (de) 2007-09-13

Family

ID=13267133

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936675T Expired - Lifetime DE69936675D1 (de) 1998-02-27 1999-02-26 WDM System mit einem optischen Verstärker geeignet zum Umschalten zwischen AGC-, ALC- und Sicherheits-Betriebsmoden

Country Status (5)

Country Link
US (2) US6441955B1 (de)
EP (1) EP0939509B1 (de)
JP (1) JP4485581B2 (de)
CN (1) CN100380855C (de)
DE (1) DE69936675D1 (de)

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US20020051284A1 (en) 2002-05-02
EP0939509A3 (de) 2003-10-01
JP4485581B2 (ja) 2010-06-23
CN1237051A (zh) 1999-12-01
US6441955B1 (en) 2002-08-27
JP2008211838A (ja) 2008-09-11
EP0939509A2 (de) 1999-09-01
EP0939509B1 (de) 2007-08-01
CN100380855C (zh) 2008-04-09
US6919987B2 (en) 2005-07-19
US20030025965A1 (en) 2003-02-06

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