Light detecting apparatus and output light intensity controller

Details Light detecting apparatus and output light intensity controller Light detecting apparatus and output light intensity controller

2009-03-26

2011-10-04

Philogene, Haiss (Department: 2821)

Optical communications

Transmitter

Having particular modulation

C398S196000, C398S197000, C398S118000, C398S160000, C250S205000, C250S2140AG, C372S029014, C372S038020

Reexamination Certificate

active

08032035

ABSTRACT:
A light detecting apparatus receives input light branched and output by a branching device, to calculate transmittance and reflectivity from the input light, acquires a wavelength corresponding to the calculated transmittance and reflectivity to calculate a gain value corresponding to input light intensity, acquires a driving current value corresponding to a calculated gain value and an acquired wavelength, and outputs an acquired driving current value.

REFERENCES:
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patent: 6122419 (2000-09-01), Kurokawa et al.
patent: 6489600 (2002-12-01), Taguchi
patent: 7164865 (2007-01-01), Tatsuno et al.
patent: 7339717 (2008-03-01), Peer et al.
patent: 7555216 (2009-06-01), Yoshino et al.
patent: 2004-179233 (2004-06-01), None

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