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.)
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.)
Hitachi Ltd
Hitachi Information and Telecommunication Engineering Ltd
Original Assignee
Hitachi Ltd
Hitachi Communication Systems Inc
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Filing date
Publication date
Application filed by Hitachi Ltd, Hitachi Communication Systems IncfiledCriticalHitachi Ltd
Priority to JP2162632ApriorityCriticalpatent/JPH0348522A/ja
Publication of JPH0348522ApublicationCriticalpatent/JPH0348522A/ja
Publication of JPH0576209B2publicationCriticalpatent/JPH0576209B2/ja
Optical transmission link capable of high temperature operation without cooling with an optical receiver module having temperature independent sensitivity performance and optical transmitter module with laser diode source