L-band light source

Details L-band light source L-band light source

2008-01-15

2008-01-15

Rodriguez, Armando (Department: 2828)

Coherent light generators

Optical fiber laser

C372S092000, C372S099000

Reexamination Certificate

active

07319707

ABSTRACT:
An L-band light source is provided that has improved amplifying efficiency and stabilized output power. The L-band light source comprises: a gain medium having first and second sides, and configured to generate an L-band amplified spontaneous emission (ASE); a first pump light source to generate first pumping light; a first wavelength selective coupler to supply the first pumping light to the gain medium; and a first reflector to reflect a part of ASE outputted to the fist side of the gain medium, the first reflector having a predetermined reflection.

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Tsai et al, High pumping-efficiency I-band erbium doped fiber ASE source using double-pass bidirectional-pumping configuration, Feb. 2003, IEEE Photonics Technology Letters, vol. 15, No. 2, pp. 197-199.
Tsai, Szu-Chi et al.; “High Pumping-Efficiency L-Band Erbium Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration;” IEEE Photonics Technology Letters vol. 15, No. 2; Feb. 2003; 3 pgs.

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