Title:
光送信装置及びそれに用いられる符号変換回路
Document Type and Number:
Japanese Patent JP4464605
Kind Code:
B2
Abstract:
The present invention is configured to include a code conversion circuit that is supplied with first and second signals having a first bit rate, and generates and outputs, through Exclusive-OR operation, third and fourth signals from which signals obtained by simply bit-multiplexing the first and second signals and having a bit rate twice the first bit rate are obtained, and an optical transmission circuit that performs optical modulation by a both-side electrode Mach-Zehnder type optical modulator using the third and fourth signals output by the code conversion circuit, and outputs an optical signal that is Exclusive-OR of the third and fourth signals. Hence, the output optical signal is Exclusive-OR of the third and fourth signals, that is, a signal obtained by simply bit-multiplexing the first and second signals and having a twice bit rate, and thus it is possible to transmit a high-speed optical signal having a twice bit rate with respect to the electronic signals.
Inventors:
Naoki Kuwata
Application Number:
JP2002505762A
Publication Date:
May 19, 2010
Filing Date:
June 26, 2000
Export Citation:
Assignee:
富士通株式会社
International Classes:
H03M5/12; G02F1/01; G02F1/035; H04B10/516; H04B10/524; H04B10/54; H04B10/61; H04J3/04; H04L5/02; H04J14/08
Domestic Patent References:
| JP2000165246A | ||||
| JP2000106543A | ||||
| JP2000224244A | ||||
| JP10112688A |
Attorney, Agent or Firm:
Tadahiko Ito
Akinori Yamaguchi
Akinori Yamaguchi