Multiple-wavelength pulsed light source for a wavelength...

Details Multiple-wavelength pulsed light source for a wavelength... Multiple-wavelength pulsed light source for a wavelength...

2006-08-15

2006-08-15

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Plural

C385S001000, C385S011000, C385S042000, C398S047000, C398S079000, C398S082000, C398S091000

Reexamination Certificate

active

07092595

ABSTRACT:
Various methods and apparatuses are described for a multiple wavelength light source. The multiple wavelength light source may be located in a central office to supply a first broad band of wavelengths for a one or more passive optical networks. The multiple wavelength light source generates a series of four or more pulses of light in the first broad band of wavelengths. Each pulse of light in that series has a different center wavelength. The series of pulses of light in the first broad band of wavelengths may be repeated at a channel data rate of an optical receiver at a subscriber's location.

REFERENCES:
patent: 2003/0142978 (2003-07-01), Lee et al.
patent: 2005/0074240 (2005-04-01), Jung et al.
patent: 2005/0152696 (2005-07-01), Shin et al.
K.-Y. Liou et al., “A WDM Access System Architecture Based on Spectral Slicing of an Amplified LED and Delay-Line Multiplexing and Encoding of Eight Wavelength Channels for 64 Subscribers”, IEEE Photonics Technology Letters, vol. 9, No. 4, Apr. 1997, pp. 517-519.
Jason B. Stark et al., “Cascaded WDM Passive Optical Network with a Highly Shared Source”, IEEE Photonics Technology Letters, vol. 9, No. 8, Aug. 1997, pp. 1170-1172.
C. R. Giles, “1152-Subscriber WDM Access PON Architecture Using a Sequentially Pulsed Multifrequency Laser”, IEEE Photonics Technology Letters, vol. 9, No. 9, Sep. 1997, pp. 1283-1284.

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