The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2005
Filed:
Dec. 31, 2002
Kenneth P. Koller, Moss Beach, CA (US);
Rajesh K. Batra, East Palo Alto, CA (US);
Robert A. Carney, Belmont, CA (US);
Douglas A. Sprock, San Jose, CA (US);
Kenneth P. Koller, Moss Beach, CA (US);
Rajesh K. Batra, East Palo Alto, CA (US);
Robert A. Carney, Belmont, CA (US);
Douglas A. Sprock, San Jose, CA (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
In one embodiment of the present invention, an apparatus operates a control loop for a tunable optical device. A digital reference signal is converted to an analog reference signal and then introduced into the optical path of the tunable optical device. An analog feedback signal, corresponding to the digital reference signal, is recovered from the tunable optical device. The analog feedback signal is converted to a digital feedback signal. The apparatus sends tuning information to the tunable optical device based on analysis of the digital reference signal and the digital feedback signal. In one embodiment, the tuning information is used for wavelength locking of the tunable optical device. In another embodiment, the operation of the control loop is synchronized with another function of the tunable optical device.