Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2007-07-20
2010-06-08
Petkovsek, Daniel (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
C385S037000, C372S006000
Reexamination Certificate
active
07734132
ABSTRACT:
The embodiments of the invention provide an apparatus for optical spectral filtering and dispersion control for wavelength multiplexed laser sources using fiber Bragg gratings. More specifically, the apparatus includes a laser diode having a first end and a second end opposite the first end. The first end of the laser diode has a first semi-transparent portion; and, the second end of the laser diode has a second semi-transparent portion. The apparatus further includes an optical fiber connected to the second end of the laser diode. The optical fiber has a first end and a second end opposite the first end, wherein the first end of the optical fiber is connected to the second end of the laser diode. The laser diode comprises a laser cavity; and, the optical fiber comprises an extension of the laser cavity. Moreover, the second end of the optical fiber has a reflective surface.
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patent: 7512291 (2009-03-01), Mendoza
patent: 2009/0168815 (2009-07-01), Salin et al.
Hill, et al., “Fiber Bragg Grating Technology Fundamentals and Overview,” Journal of Lightwave Technology, vol. 15, No. 8, Aug. 1997, pp. 1263-1276.
K. Hill, Chapter 9 in the Handbook of Optics, vol. 4, Second Edition, Published by the Optical Society of America, 2004, pp. 9.1-9.11.
Optics Letters, Aug. 15, 2006, pp. 2417.
Atkins Robert G.
Bagheri Harry H.
DeCusatis Casimer M.
Jacobowitz Lawrence
Gibb I.P. Law Firm LLC
International Business Machines - Corporation
Petkovsek Daniel
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