JPS6450015A - Staircase-shaped light pulse generating device - Google Patents

Staircase-shaped light pulse generating device

Info

Publication number
JPS6450015A
JPS6450015A JP62207757A JP20775787A JPS6450015A JP S6450015 A JPS6450015 A JP S6450015A JP 62207757 A JP62207757 A JP 62207757A JP 20775787 A JP20775787 A JP 20775787A JP S6450015 A JPS6450015 A JP S6450015A
Authority
JP
Japan
Prior art keywords
light pulse
light
outputted
delay
output port
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.)
Pending
Application number
JP62207757A
Other languages
Japanese (ja)
Inventor
Yoshiharu Unami
Masao Tanaka
Shinichi Tomita
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.)
Fujikura Ltd
Original Assignee
Fujikura 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 Fujikura Ltd filed Critical Fujikura Ltd
Priority to JP62207757A priority Critical patent/JPS6450015A/en
Publication of JPS6450015A publication Critical patent/JPS6450015A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To eliminate troublesome adjustments and deviation in wavelength by using optical systems such as an optical branching and coupling means and an optical waveguide means for delay. CONSTITUTION:When a light pulse is inputted from a light pulse generating means 2 to one input port 11 of the optical branching and coupling means 1, a light pulse which is branched is outputted from one output port 13 first. Branch light outputted from the other output port 14 is delayed through the optical waveguide means 33 for delay, and then inputted to the other input port 12 of the optical branching and coupling means 6 and branched again. This light which is branched again is therefore outputted from one output port 13 after a delay time from the output of the 1st light pulse and light pulses which are branched in order are outputted from one output port 13 after another at intervals of the delay time of the optical waveguide means 33 for delay, so that a staircase-shaped light pulse train is obtained. Consequently, the nonlinearity, etc., of a light emitting element need not be considered and the driving current of the light emitting element is not varied, so troublesome adjustments are not necessary and no deviation in wavelength is generated.
JP62207757A 1987-08-21 1987-08-21 Staircase-shaped light pulse generating device Pending JPS6450015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62207757A JPS6450015A (en) 1987-08-21 1987-08-21 Staircase-shaped light pulse generating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62207757A JPS6450015A (en) 1987-08-21 1987-08-21 Staircase-shaped light pulse generating device

Publications (1)

Publication Number Publication Date
JPS6450015A true JPS6450015A (en) 1989-02-27

Family

ID=16545041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62207757A Pending JPS6450015A (en) 1987-08-21 1987-08-21 Staircase-shaped light pulse generating device

Country Status (1)

Country Link
JP (1) JPS6450015A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05316041A (en) * 1992-05-13 1993-11-26 Ando Electric Co Ltd Pulse width expansion circuit for optical pulse

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611432A (en) * 1979-07-09 1981-02-04 Matsushita Electric Ind Co Ltd Light delay device
JPS6084033A (en) * 1983-08-26 1985-05-13 ザ・ボ−ド・オブ・トラステイ−ズ・オブ・ザ・レランド・スタンフオ−ド・ジユニア・ユニバ−シテイ Data speed alternator between input and output optical pulsetrains
JPS63104014A (en) * 1986-10-22 1988-05-09 Hamamatsu Photonics Kk Optical element for converting single optical pulse to optical pulse train
JPS63177626A (en) * 1987-01-19 1988-07-21 Nippon Telegr & Teleph Corp <Ntt> Optical timing extracting circuit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611432A (en) * 1979-07-09 1981-02-04 Matsushita Electric Ind Co Ltd Light delay device
JPS6084033A (en) * 1983-08-26 1985-05-13 ザ・ボ−ド・オブ・トラステイ−ズ・オブ・ザ・レランド・スタンフオ−ド・ジユニア・ユニバ−シテイ Data speed alternator between input and output optical pulsetrains
JPS63104014A (en) * 1986-10-22 1988-05-09 Hamamatsu Photonics Kk Optical element for converting single optical pulse to optical pulse train
JPS63177626A (en) * 1987-01-19 1988-07-21 Nippon Telegr & Teleph Corp <Ntt> Optical timing extracting circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05316041A (en) * 1992-05-13 1993-11-26 Ando Electric Co Ltd Pulse width expansion circuit for optical pulse

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