Dual loop automatic power control for laser driver

Industrial Technology Research Institute; Li, Day-Uei; Huang, Li-Ren; Chen, We-Zen (2007) Dual loop automatic power control for laser driver. US007248610B2.

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Abstract

A laser driver. The laser driver comprises a diode driver, a power detector, a first extreme detector, a second extreme detector and a current controller. The diode driver receives bias and modulation currents to control a laser diode for generating light signals. The power detector detects optical power of the light signals. The first and second extreme detectors, both coupled to the power detector, detect the first and second extreme values among detected optical power. The first extreme value is either the maximum or the minimum optical power of the light signals, while the second extreme value is the other.

Item Type: Patent
Additional Information: Corresponding Patent: TW93137777A
Schools and Departments: School of Engineering and Informatics > Engineering and Design
Depositing User: David Day-Uei Li
Date Deposited: 06 Feb 2012 21:07
Last Modified: 25 Jul 2012 08:11
URI: http://sro.sussex.ac.uk/id/eprint/29636
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