Parallel channel optical communication using modulator array...

Details Parallel channel optical communication using modulator array... Parallel channel optical communication using modulator array...

Filed on

2006-11-30

Date issued

2010-06-08

Examiner

Liu, Li (Department: 2613)

Patent Class

Optical communications

SubClass

Transmitter

Other Related Categories

C398S201000, C398S183000, C372S026000, C372S029010, C359S254000

Type

Reexamination Certificate

Status

active

Patent number

07734189

Description

ABSTRACT:
An optical transmitter includes a drive laser, a 1×N splitter, and an array of modulators. The 1×N splitter is coupled to split a beam from the drive laser into separated beams, and the modulators modulate the respective beam to represent respective data signals that are transmitted in parallel. Embodiments of the transmitter can provide high data rate communications at low cost by eliminating the need for an array of isolators and eliminating the need for high quality AR coatings. Additionally, an integrated optical circuit containing the modulator array does not require an array of lasers and can be fabricated at higher yields and lower costs.

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