Optical amplifier with multiple wavelength pump

Details Optical amplifier with multiple wavelength pump Optical amplifier with multiple wavelength pump

2005-05-03

2005-05-03

Hellner, Mark (Department: 3662)

Optical: systems and elements

Optical amplifier

C359S341300

Reexamination Certificate

active

06888668

ABSTRACT:
An optical amplifier comprises a substrate, an optical multiplexer embedded in the substrate, pump light sources with multiple wavelengths coupled to the optical multiplexer, and an amplification waveguide coupled to the multiplexer. In one embodiment an optical signal is directed to another waveguide in the substrate. In another embodiment, the amplification waveguide is doped with a rare earth element.

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R.J. Beach, et al.; “Continuous-wave and passively Q-switched cladding-pumped planar waveguide lasers”, Optics Letters, Optical Society of America, vol. 26, No. 12, Jun. 15, 2001. pp. 881-883. XP-001103481, ISSN: 0146-9592.

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