Optical amplification producing wider total gain bandwidth

Details Optical amplification producing wider total gain bandwidth Optical amplification producing wider total gain bandwidth

2006-05-02

2006-05-02

Song, Sarah (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

C385S142000

Reexamination Certificate

active

07039283

ABSTRACT:
A communication system and method are disclosed to provide a wider gain bandwidth. One embodiment of the invention is a communication system comprising a transmitter, a Phosphate-doped fiber span, a receiver, and a continuous wavelength light system. When in operation, the transmitter transmits optical signals over the Phosphate-doped fiber span for receipt by the receiver. Concurrently, the continuous wavelength light system pumps continuous wavelength light onto the Phosphate-doped fiber span. The pumping by the continuous wavelength light system generates a total gain bandwidth of at least 120 nm.

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Yoshihiro Emori and Shu Namiki, “100nm Bandwidth Flat Gain Raman Amplifiers Pumped and Gain-Equalized by 12-Wavelength-Channel WDM High Power Laser Diodes,” OFC 1999, PD 19-1-PD 19-3.
Y. Akasaka, S. Kado, K. Aiso, T. Yagi, T. Suzuki, H. Koaizawa and T. Kamiya, “Phospate-Doped Transmission Fiber with Over 40THz Raman-Gain Bandwidth,” ECOC 2001, MO.B.3.2n.
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Y. Akasaka, S. Kado, K. Aiso, T. Yagi, T. Suzuki, H. Koaizawa, and T. Kamiya; Phosphate-doped transmission fiber with over 40THz Raman-gain bandwidth; Proc. 27thEur. Conf. on Opt. Comm. (ECOC'01—Amsterdam); Sep. 30, 2001; pp. 76 and 77; vol. 1.

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