JPS5347701A - Optical sweep signal generator - Google Patents
Optical sweep signal generatorInfo
- Publication number
- JPS5347701A JPS5347701A JP12242876A JP12242876A JPS5347701A JP S5347701 A JPS5347701 A JP S5347701A JP 12242876 A JP12242876 A JP 12242876A JP 12242876 A JP12242876 A JP 12242876A JP S5347701 A JPS5347701 A JP S5347701A
- Authority
- JP
- Japan
- Prior art keywords
- signal generator
- sweep signal
- optical sweep
- information
- 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
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
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
- H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
- H04B10/50572—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulating signal amplitude including amplitude distortion
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0327—Operation of the cell; Circuit arrangements
-
- 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
- H04B10/503—Laser transmitters
- H04B10/505—Laser transmitters using external modulation
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
- G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
Abstract
PURPOSE:To secure a flat and wide-band modulation performance by extracting the information on the modulation performance and giving a negative feedback to the information to the optical modulator driving circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12242876A JPS5347701A (en) | 1976-10-13 | 1976-10-13 | Optical sweep signal generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12242876A JPS5347701A (en) | 1976-10-13 | 1976-10-13 | Optical sweep signal generator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5347701A true JPS5347701A (en) | 1978-04-28 |
JPS5634849B2 JPS5634849B2 (en) | 1981-08-13 |
Family
ID=14835582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12242876A Granted JPS5347701A (en) | 1976-10-13 | 1976-10-13 | Optical sweep signal generator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5347701A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55119037A (en) * | 1979-03-02 | 1980-09-12 | Pophillat Lucien | Device for measuring transfer function of optical fibers |
JPH08210944A (en) * | 1995-02-02 | 1996-08-20 | Yokogawa Electric Corp | Optical fiber inspection device |
JPH08219947A (en) * | 1995-02-09 | 1996-08-30 | Yokogawa Electric Corp | Inspection apparatus for optical fiber |
USRE36088E (en) * | 1990-03-01 | 1999-02-09 | Fujitsu Limited | Optical transmitter |
-
1976
- 1976-10-13 JP JP12242876A patent/JPS5347701A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55119037A (en) * | 1979-03-02 | 1980-09-12 | Pophillat Lucien | Device for measuring transfer function of optical fibers |
JPH028644B2 (en) * | 1979-03-02 | 1990-02-26 | Hofuira Rushian | |
USRE36088E (en) * | 1990-03-01 | 1999-02-09 | Fujitsu Limited | Optical transmitter |
JPH08210944A (en) * | 1995-02-02 | 1996-08-20 | Yokogawa Electric Corp | Optical fiber inspection device |
JPH08219947A (en) * | 1995-02-09 | 1996-08-30 | Yokogawa Electric Corp | Inspection apparatus for optical fiber |
Also Published As
Publication number | Publication date |
---|---|
JPS5634849B2 (en) | 1981-08-13 |
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