Wildeman et al. “Moving Towards the L-Band.” Lightwave, Aug. 1999, pp. 10-13.* |
Chung et al. “Demonstration of 540-dB Loss Compensation over 52 nm Gain bandwidth the Wideband Erbium-Doped Fiber Amplifiers.” CLEO '99. pp. 644-645.* |
Xie et al. “Spectrally Efficient L-C Band EDFA having a continuous inter-band channel region using sampled FBGs.” CLEO 2000, May 2000, pp. 284-285.* |
Y.Sun, et al. “A Gain-Flattened Ultra Wide Band EDFA For High Capacity WDM Optical Communications Systems”, ECOC '98 Sep. 1998, pp. 51-54. |
Masuda, et al. “Wideband, gain-flattened, erbium-doped fibre amplifiers with 3dB bandwidths of >50nm”, Electronic Letters, vol. 33, No. 12, Jun. 5, 1997 2 pp. |
Sun, et al. “An 80 nm Ultra Wide Band EDFA with Low Noise Figure and High Output Power”, ECOC 97, Sep. 97, publication No. 448 @IEE, pp. 69-72. |
Wysocki, et al., “Broad-Band Erbium-Doped Fiber Amplifier Flattened Beyond 40 nm Using Long-Period Grating Filter”, Electronic Letters, vol. 9, No. 10, Oct. 1997. |
Chung, H.S., “Demonstration of 52-nm Gain Bandwidth over 2400 km (540 dB Loss) with Gain-Equalized Low-Noise Wide-band EDFA's”, IEE Letters, vol. 12, No. 3, Mar. 2000. |
Cordina, et al., “Ultra Low Noise Long Wavelength EDFA with 3.6dB External Noise Figure”, OFC/IOOC, 1999 Technical Digest, vol. 2, pp. 13-15, Feb. 1999. |
Yamada, et al., “Broadband and gain-flattened amplifier composed of a 1.55 μm-band and a 1.58 μm-band Er3 +-doped fibre amplifier in a parallel configuration”, Electronic Letters, vol. 33, No. 8, pp. 710-711, Apr. 1997. |
Nigel Jolley, “Broadband Erbium Doped Fibre Amplifiers for WDM applications”, IEE, 5 pp., 1998. |
Lee, et al., “Split-stage Equalization Filter Approach for Noise Figure Reduction in Multichannel gain-flattened EDFA” CLEO '98, May 1998, pp. 289-290. |
Masuda, et al., “Wideband ebrium-doped fibre amplifiers with three-stage amplification”, Electronic Letters, Mar. 19, 1998, vol. 34, No. 6, pp. 567-568. |