JPH03218138A - Multiplex signal optical transmitter - Google Patents
Multiplex signal optical transmitterInfo
- Publication number
- JPH03218138A JPH03218138A JP2014253A JP1425390A JPH03218138A JP H03218138 A JPH03218138 A JP H03218138A JP 2014253 A JP2014253 A JP 2014253A JP 1425390 A JP1425390 A JP 1425390A JP H03218138 A JPH03218138 A JP H03218138A
- Authority
- JP
- Japan
- Prior art keywords
- optical transmission
- transmission line
- light
- wavelength
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 69
- 230000005540 biological transmission Effects 0.000 claims abstract description 63
- 230000029553 photosynthesis Effects 0.000 claims description 13
- 238000010672 photosynthesis Methods 0.000 claims description 13
- 230000008054 signal transmission Effects 0.000 abstract description 12
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 3
- 238000003786 synthesis reaction Methods 0.000 abstract 3
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
Landscapes
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は光伝送装置に関し、特に波長の異なる光を使用
して１本の光伝送路で多重信号を送受する光伝送装置に
関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an optical transmission device, and more particularly to an optical transmission device that transmits and receives multiplexed signals over a single optical transmission path using light of different wavelengths.
一般に、光ファイバ等の光伝送路を使用して信号を伝送
する光伝送装置は、光伝送路の一方に変調器を他方に復
調器をそれぞれ接続し、１つの波長の光を変調器で変調
した上で光伝送路で伝送を行い、復調器で復調を行って
信号の伝送を行っている。この場合、複数の信号を同時
に伝送するために、変調した光を時分割多重化して伝送
することも行われている。Generally, optical transmission equipment that transmits signals using optical transmission lines such as optical fibers connects a modulator to one side of the optical transmission line and a demodulator to the other, and modulates light of one wavelength with the modulator. The signal is then transmitted through an optical transmission line, demodulated by a demodulator, and then transmitted. In this case, in order to transmit a plurality of signals simultaneously, modulated light is time-division multiplexed and transmitted.
上述した従来の光伝送装置では、光伝送路を伝送させる
搬送波としての光に、１つの波長の光のみを使用する構
成となっている。このため、多重化を行う場合でも、そ
の信号伝送容量は多重化の制限をそのまま受けることに
なり、信号伝送容量の向上が難しいという問題がある。The conventional optical transmission device described above is configured to use only light of one wavelength as a carrier wave to be transmitted through an optical transmission line. Therefore, even when multiplexing is performed, the signal transmission capacity is subject to the limitations of multiplexing, and there is a problem that it is difficult to improve the signal transmission capacity.
本発明の目的は、信号伝送容量を改善した多重信号光伝
送装置を提供することにある。An object of the present invention is to provide a multiplexed signal optical transmission device with improved signal transmission capacity.
本発明の多重信号光伝送装置は、２種類以上の異なる波
長の光を合成・分析する光合成・分析器と、この光合成
・分析器に接続されて各波長の光を伝送する光伝送路と
で構成している。The multiplexed signal optical transmission device of the present invention includes a photosynthesis/analyzer that combines and analyzes two or more types of light of different wavelengths, and an optical transmission line that is connected to the photosynthesis/analyzer and transmits light of each wavelength. It consists of
例えば、一対の光合成・分析器を１本の光伝送路で接続
し、各光合成・分析器にはそれぞれ異なる波長の光を伝
送する複数本の光伝送路を接続した構成とする。For example, a pair of photosynthesizers/analyzers are connected by one optical transmission line, and each photosynthesizer/analyzer is connected to a plurality of optical transmission lines each transmitting light of a different wavelength.
本発明によれば、異なる波長の光を光合成・分析器で合
成して光伝送路で伝送を行い、伝送された光を光合成・
分析器で分析して各波長の光に分離させる。これにより
、１本の光伝送路を用いて複数の波長の光を伝送するこ
とを可能とし、１つの波長の光を使用する場合に比較し
て信号伝送容量を複数倍とする。According to the present invention, lights of different wavelengths are combined by a photosynthesis/analyzer and transmitted through an optical transmission line, and the transmitted light is used for photosynthesis/analyzer.
The light is analyzed using an analyzer and separated into light of each wavelength. This makes it possible to transmit light of a plurality of wavelengths using one optical transmission path, and increases the signal transmission capacity by multiple times compared to the case where light of one wavelength is used.
〔実施例］ 次に、本発明を図面を参照して説明する。〔Example] Next, the present invention will be explained with reference to the drawings.
第１図は本発明の第１実施例のブロック図である。図に
おいて、■及び５はそれぞれ光合成・分析器であり、両
者は光ファイハ等の光伝送路４で接続され、両者間で相
互に光信号を送受するようにしている。前記光合成・分
析器ｌは光伝送路２より送られてくる波長λｌの光を光
伝送路４に送り出し、かつ光伝送路４より送られてくる
波長λ２の光を光伝送路３に送り出す。また、前記光合
成・分析器５は光伝送路４より送られてくる波長λ１の
光を光伝送路６に送り出し、かつ光伝送路７より送られ
てくる波長λ２の光を光伝送路４に送り出す。前記光伝
送路４は波長λ１，λ２の光を伝送することができる。FIG. 1 is a block diagram of a first embodiment of the present invention. In the figure, 2 and 5 are photosynthesizers/analyzers, respectively, and both are connected by an optical transmission line 4 such as an optical fiber, so that optical signals are sent and received between them. The light synthesizer/analyzer 1 sends the light of wavelength λl sent from the optical transmission line 2 to the optical transmission line 4, and sends the light of wavelength λ2 sent from the optical transmission line 4 to the optical transmission line 3. Further, the light synthesizer/analyzer 5 sends the light of wavelength λ1 sent from the optical transmission line 4 to the optical transmission line 6, and sends the light of wavelength λ2 sent from the optical transmission line 7 to the optical transmission line 4. send out. The optical transmission line 4 can transmit light of wavelengths λ1 and λ2.
したがって、この光伝送装置では、異なる波長λ１，λ
２の光をそれぞれ光伝送路４で伝送させることになり、
各波長の光を用いてこれまでと同様の信号伝送を行うこ
とにより、１つの波長の光を使用したときの２倍の信号
伝送容量を得ることができる。この場合、各波長の光は
光合成・分析器１，５において合成，分析されるため、
光伝送路４において両者が干渉されても、光伝送路２，
３及び６，７においては両者を明確に分離することがで
きる。Therefore, in this optical transmission device, different wavelengths λ1, λ
The two lights will be transmitted through the optical transmission line 4, respectively.
By performing the same signal transmission as before using light of each wavelength, it is possible to obtain twice the signal transmission capacity when using light of one wavelength. In this case, since the light of each wavelength is synthesized and analyzed in the photosynthesis/analyzers 1 and 5,
Even if there is interference between the two in the optical transmission line 4, the optical transmission line 2,
In cases 3, 6, and 7, the two can be clearly separated.
第２図は本発明の第２実施例のブロック図であり、第１
実施例と同一部分には同一符号を付してある。FIG. 2 is a block diagram of a second embodiment of the present invention;
The same parts as in the embodiment are given the same reference numerals.
？こでは、光合成・分析器１はｎ本の光伝送路２１，２
■，・・・２７より送られてくる波長λ１，λ２，・・
・λ０の光を合成して光伝送路４に送り出し、かつ光伝
送路４より送られてくる波長λ７．１λ，３。，・・・
λ２ｎ の光を分析してｎ本の光伝送路３，．３■，
・・・３■に送り出す。また、光合成・分析器５は光伝
送路４より送られてくる波長λ，，λ２・・・λ。の光
を分析してｎ本の光伝送路６，，６■，・・・６７に送
り出し、かつｎ本の光伝送路７，，７■，・・・７、よ
り送られてくる波長λ７。，，λｎ＋２＋・・・λ２ｏ
の光を合成して光伝送路４に送り出す。更に、光伝送路
４は波長λ１，λ２，・・・λ７，λ１。１，λ。．２
，・・・λ２７の光を光合成・分析器１．５間で伝送す
る。? Here, the photosynthesis/analyzer 1 has n optical transmission lines 21, 2
■, wavelengths λ1, λ2,... sent from 27
- Combines the light of λ0 and sends it to the optical transmission line 4, and the wavelength λ7.1λ,3 that is sent from the optical transmission line 4. ,...
The light of λ2n is analyzed and n optical transmission lines 3, . 3■,
...Send to 3■. Further, the light synthesizer/analyzer 5 receives the wavelengths λ, λ2, . . . λ sent from the optical transmission line 4. The light is analyzed and sent to n optical transmission lines 6, 6■, . . . 67, and the wavelength λ7 sent from n optical transmission lines 7, 7■, . . ,,λn+2+...λ2o
The combined lights are combined and sent to the optical transmission line 4. Further, the optical transmission line 4 has wavelengths λ1, λ2, . . . λ7, λ1.1, λ. ．． 2
, . . . λ27 light is transmitted between the photosynthesis/analyzers 1.5.
この構成においては、各波長の光に対してこれまでと同
様の信号伝送を行うことにより、ここでは２０種類の波
長の光を使用しているので、２ｎ倍の信号伝送容量を得
ることができる。In this configuration, by performing the same signal transmission for each wavelength of light as before, since 20 different wavelengths of light are used here, it is possible to obtain 2n times the signal transmission capacity. .
なお、原理的には波長の種類は無限であるので、本発明
においては光合成・分析器の分析精度の範囲内で１つの
波長の光を用いたときの無限倍に近い信号伝送容量を得
ることができるのは言うまでもない。Note that, in principle, the number of types of wavelengths is infinite, so in the present invention, it is possible to obtain a signal transmission capacity that is close to infinite times that of using light of one wavelength within the analytical accuracy of the photosynthesis/analyzer. Needless to say, it can be done.
以上説明したように本発明は、異なる波長の光を合成し
て光伝送路で伝送を行い、伝送された光を分析して各波
長の光に分離させるので、１本の光伝送路を用いて複数
の波長の光を伝送することが可能となり、１つの波長の
光を使用する場合に比較して信号伝送容量を複数倍に改
善することができる効果がある。As explained above, the present invention combines light of different wavelengths and transmits it through an optical transmission line, analyzes the transmitted light, and separates it into light of each wavelength, so a single optical transmission line is used. This makes it possible to transmit light of a plurality of wavelengths, and has the effect of improving signal transmission capacity by several times compared to the case where light of one wavelength is used.
第１図は本発明の第１実施例のブロック図、第２図は本
発明の第２実施例のブロック図である。
１・・・光合成・分析器、２，２．〜２７・・・光伝送
路、３．３Ｉ〜３，，・・・光伝送路、４・・・光伝送
路、５・・・光合成・分析器、６．６Ｉ〜６１・・・光
伝送路、７’，７，〜７７・・・光伝送路。FIG. 1 is a block diagram of a first embodiment of the invention, and FIG. 2 is a block diagram of a second embodiment of the invention. 1...Photosynthesis/analyzer, 2,2. ~27... Optical transmission line, 3.3I~3,... Optical transmission line, 4... Optical transmission line, 5... Photosynthesis/analyzer, 6.6I~61... Optical transmission line, 7', 7, to 77... optical transmission line.
Claims (1)
成・分析器と、この光合成・分析器に接続されて前記異
なる波長の光を伝送する光伝送路とで構成したことを特
徴とする多重信号光伝送装置。 ２、一対の光合成・分析器を１本の光伝送路で接続し、
各光合成・分析器にはそれぞれ異なる波長の光を伝送す
る複数本の光伝送路を接続してなる特許請求の範囲第１
項記載の多重信号光伝送装置。[Scope of Claims] Consisting of a photosynthesis/analyzer that combines and analyzes one or more types of light of different wavelengths, and an optical transmission line that is connected to the photosynthesis/analyzer and transmits the lights of the different wavelengths. A multiple signal optical transmission device characterized by: 2. Connect a pair of photosynthesis/analyzers with one optical transmission line,
Claim 1 wherein each photosynthesizer/analyzer is connected to a plurality of optical transmission lines each transmitting light of a different wavelength.
The multiplexed signal optical transmission device as described in .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014253A JPH03218138A (en) | 1990-01-24 | 1990-01-24 | Multiplex signal optical transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014253A JPH03218138A (en) | 1990-01-24 | 1990-01-24 | Multiplex signal optical transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03218138A true JPH03218138A (en) | 1991-09-25 |
Family
ID=11855931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014253A Pending JPH03218138A (en) | 1990-01-24 | 1990-01-24 | Multiplex signal optical transmitter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03218138A (en) |
-
1990
- 1990-01-24 JP JP2014253A patent/JPH03218138A/en active Pending
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