JPS53101446A - Adjusting method of coupling length of optical directional coupler - Google Patents

Adjusting method of coupling length of optical directional coupler

Info

Publication number
JPS53101446A
JPS53101446A JP1547177A JP1547177A JPS53101446A JP S53101446 A JPS53101446 A JP S53101446A JP 1547177 A JP1547177 A JP 1547177A JP 1547177 A JP1547177 A JP 1547177A JP S53101446 A JPS53101446 A JP S53101446A
Authority
JP
Japan
Prior art keywords
coupling length
directional coupler
adjusting method
optical directional
optical
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.)
Granted
Application number
JP1547177A
Other languages
Japanese (ja)
Other versions
JPS5646562B2 (en
Inventor
Juichi Noda
Osamu Mikami
Masaharu Fukuma
Yutaka Iwasaki
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP1547177A priority Critical patent/JPS53101446A/en
Publication of JPS53101446A publication Critical patent/JPS53101446A/en
Publication of JPS5646562B2 publication Critical patent/JPS5646562B2/ja
Granted legal-status Critical Current

Links

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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals

Abstract

PURPOSE:To adjust the coupling length between two optical guides by adding another optical guide between the two optical guides and adjusting only the phase constant in the additional optical guide.
JP1547177A 1977-02-17 1977-02-17 Adjusting method of coupling length of optical directional coupler Granted JPS53101446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1547177A JPS53101446A (en) 1977-02-17 1977-02-17 Adjusting method of coupling length of optical directional coupler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1547177A JPS53101446A (en) 1977-02-17 1977-02-17 Adjusting method of coupling length of optical directional coupler

Publications (2)

Publication Number Publication Date
JPS53101446A true JPS53101446A (en) 1978-09-04
JPS5646562B2 JPS5646562B2 (en) 1981-11-04

Family

ID=11889701

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1547177A Granted JPS53101446A (en) 1977-02-17 1977-02-17 Adjusting method of coupling length of optical directional coupler

Country Status (1)

Country Link
JP (1) JPS53101446A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618732A (en) * 1992-04-03 1994-01-28 Koninkl Ptt Nederland Nv Optical composite body
US5491763A (en) * 1992-04-03 1996-02-13 Koninklijke Ptt Nederland N.V. Optical hybrid with 3×3 coupling device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
APPLIEP OPTICS#V13#N6 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0618732A (en) * 1992-04-03 1994-01-28 Koninkl Ptt Nederland Nv Optical composite body
US5491763A (en) * 1992-04-03 1996-02-13 Koninklijke Ptt Nederland N.V. Optical hybrid with 3×3 coupling device

Also Published As

Publication number Publication date
JPS5646562B2 (en) 1981-11-04

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