___

• Yamada, M., “Overview of wideband optical
• fiber amplification technologies”, NTT
• Technical Review, 2(12), 34, 2004.
• Sakamoto, T., Mori, A., Masuda, H., Ono, H.,
• “Wideband rare-earth-doped fiber amplification
• technologies – Gain bandwidth expansion in the
• C and L bands”, NTT Technical Review, 2(12),
• , 2004.
• Bouzid, B., Abdullah, M.K., Mahdi, M.A.,
• “High-Gain Erbium-Doped Fiber Amplifier
• Incorporating a Double-Pass Amplification
• Technique as a Preamplifier”, Laser Physics,
• (4), 460-463, 2008.
• Liang, T.C., Hsu, S., “The L-band EDFA of High
• Clamped Gain and Low Noise Figure
• Implemented Using Fiber Bragg Grating and
• Double-Pass Method”, Optics Comm., 281(5),
• -1139, 2008.
• Jamaludin, M. Z., Abdullah, M. K., Abdullah, F.,
• Abas, A.F., MAhdi, M.A., Rahman, F., “A
• Hybrid High-Gain Double-Pass Erbium-Doped
• Fiber Amplifier with Dispersion Compensation
• Feedback Loop”, Optics and Laser Technol.,
• (2), 270-272, 2008.
• Naji, A.W., Abidin, M. S. Z., Al-Mansoori, M.H.,
• Faidz, A.R., Mahdi, M.A., “Experimental
• Investigation of noise in Double-Pass Erbium-
• Doped Fiber Amplifiers”, Laser Physics Lett.,
• (2), 145-148, 2007.
• Chang, C. L., Wang, L., Chiang, Y. J., “A Dual
• Pumped Double-Pass L-Band EDFA with High
• Gain and Low Noise”, Optics Comm., 267(1),
• -112, 2006.
• Altuncu, A., “Band Selection in Broadband Loop
• ASE Source Using Seed Signal Injection”, IEEE
• Photon. Technol. Lett., 18(9), 1043-1045, 2006.
• Harun, S.W., Samsuri, N.M., Ahmad, H., “Gain-
• Clamping Techniques in Two-Stage Double-Pass
• L-Band EDFA”, Pramana-Journal of Physics,
• (3), 539-545, 2006.
• Yi, L.L., Zhan, L., Hu, W.S., Xia, Y.X., “Tunable
• Gain-Clamped Double-Pass Erbium-Doped Fiber
• Amplifier”, Optics Express, 14(2), 570-574,
• -
• Yi, L.L., Zhan, L., Taung, C.S., Luo, S.Y., Hu,
• W.S., Su, Y.K., Xia, Y.X., Leng, L.F., “Low
• Noise Figure All-Optical Gain-Clamped Parallel
• C+L Band Erbium-Doped Fiber Amplifier Using
• an Interleaver”, Optics Express, 13(12), 4519-
• , 2005.
• Ji, J.H., Zhan, L., Yi, L.L., Tang, C.C., Ye, Q.H.,
• Xia, Y.X., “Low Noise-Figure Gain-Clamped L Band Double-Pass Erbium-Doped Fiber Ring
• Lasing Amplifier with an Intereaver”, J. of
• Lightwave Technol., 23(3), 1375-1379, 2005.
• Samsuri, N.M., Harun, S.W., Ahmad, H.,
• “Comparison of Performances Between Partial
• Doublepass and full double-pass systems in Two-
• Stage L-Band EDFA”, Laser Physics Lett.,
• (12), 610-612, 2004.
• Harun, S.W., Samsuri, N.M., Ahmad, H., “Gain
• Enhancement in Partial Double-Pass L-Band
• EDFA System Using a Band-Pass Filter”, Laser
• Physics Lett., 2(1), 36-38, 2005.
• Harun, S.W., Samsuri, N.M., Ahmad, H., “Gain
• Clamping in Double-Pass L-Band EDFA Using a
• Ring Resonator”, Microwave and Optical
• Technol. Lett., 43(6), 484-486, 2004.
• Naji, A.W., Abidin, M.S.Z., Kassir, A.M., Al-
• Mansoori, M.H., Abdullah, M.K., Mahdi, M.A.,
• “Trade-Off between Single and Double Pass
• Amplification Schemes of 1480-nm Pumped
• EDFA”, Microwave and Optical Technol.
• Lett., 43(1), 38-40, 2004.
• Yi, L.L., Zhan, L., Ji, J.H., Ye, Q.H.,, Xia, Y.X.,
• “Improvement of gain and noise figure in doublepass
• L-band EDFA by incorporating a fiber
• Bragg grating”, IEEE Photon. Technol. Lett.,
• (4), 1005-1007, 2004.
• Harun, S.W., Ahmad, H., “Efficient and lownoise
• gain flattened double-pass L-band erbiumdoped
• fiber amplifier”, Microwave and Optical
• Technol. Lett., 40(2), 112-114, 2004.
• Harun, S.W., Poopalan, P., Ahmad, H., “Double
• pass L-band erbium-doped fiber amplifier with
• enhanced gain characteristics”, Indian Journal
• of Physics, 77B(4), 435-437, 2003.
• Harun, S.W., Poopalan, P., Ahmad, H., “Gain
• enhancement in L-band EDFA through a doublepass
• technique”, IEEE Photon.Technol. Lett.,
• (3), 296-297, 2002.
• Harun, S.W., Ahmad, H., “Gain Clamped Two-
• Stage Double-Pass L-Band EDFA with a Single
• Fibre Bragg Grating”, Chinese Physics Lett.,
• (10), 1954-1957 2004.
• Yucel, M., Goktas, H.H., “Design of gain
• flattened ultra-wide band hybrid optical
• amplifier”, J. Fac. Eng. Archit. Gazi Univ., 22,
• –868, 2007.
• Yucel, M., Goktas, H.H., “Gain flattening
• configurations at the L band erbium doped fiber
• amplifiers”, IEEE 15th Signal Process. and
• Comm. App., 1–4, 2007.
• Goktas, H.H., Yucel, M., “Gain flattening filter
• optimization of the two stage C band erbium
• doped fiber amplifiers (EDFA)”, J. Inst. Sci.
• Technol. Sakarya Univ., 10, 10–13, 2006.
• S., Dung, Chi, J.C., S., Wen, “Gain Flattening of
• Erbium-doped Fibre Amplifier Using Fibre Bragg
• Gratings”, Electronics Letters, 34(6), 555,
• -
• Choi, H. B., Oh, J. M., Lee, D., Ahn, S.J., Park,
• B.S, Lee, S.B. “Simple and efficient L-Band
• Erbium-Doped Fiber Amplifiers for WDM
• Networks”, Optics Comm., 213, 63-66, 2002.
• Mahdi, M. A., Sheih, S. J. “Gain-Flattened
• Extended L-band EDFA with 43nm Bandwidth
• Suitable for High Signal Powers”, Optics
• Comm., 234, 229-233, 2004.
• Mizuno, K., Nishi, Y., Mimura, Y., Lida, Y.,
• Matsuura, H., Yoon, D., Aso, O., Yamamoto, T.,
• Toratani, T., Ono, Y., Yo, A. “Development of
• Etalon-Type Gain-Flattening Filter”, Furukawa
• Review, 19, 53-58, 2000.
• Yucel, M., Celebi, F. V., Goktas, H.H.,
• “Temperature independent length optimization of
• L-band EDFAs providing flat gain”, Optik, 122
• (10), 872-876 2011.
• Goktas, H.H., Yucel, M., “A fuzzy logic based
• device for the determination of temperature
• dependence of EDFAs”, Microwave and
• Optical Technol. Lett., 50, 2331–2334, 2008.
• Wysocki, P., Conti, N., Holcomb, D., “Simple
• modeling approach for the temperature
• dependence of the gain of erbium-doped fiber
• amplifiers”, SPIE Photonics East, Proc.:
• Optical Devices for Fiber Comm., 3847, 214,
• -
• Bolshtyansky, M., Wysocki, P., Conti, N.,
• “Model of temperature dependence for gain
• shape of erbium-doped fiber amplifier”, J. of
• Lightwave Technol., 18 1533–1540, 2000.
• Lolivier, L., Grillet, A., Roy, F., Hamoir, D.,
• “DGE-based variable gain EDFA improves both
• gain flatness and noise figure for a 70 ◦ C
• temperature operating range”, Optical Fiber
• Comm. Conf. OFC/NFOEC, 4, 3, 2005.
• Nakaji, H., Ishizawa, Y., Ohmura, M., Shibata,
• T., Inoue, A., Shige- matsu, M., “A temperatureinsensitive
• erbium-doped fiber amplifier for
• terrestrial wavelength-division-multiplexing
• systems”, IEEE Photonics Technol. Lett., 15,
• –1524, 2003.
• Lee, W.J., Min, B., Ahn, S., Park, N.,
• “Simulation for the effect of cascaded gaintemperature
• dependence on 40 channel - 50
• EDFA WDM link under temperature
• fluctuations”, Lasers and Electro-Optics
• CLEO/Pacific Rim’99, 3, 646–647, 1999.
• Im, Y.E., Oh, K., Chang, S.H., Kim, K.,
• DiGiovanni, D.J., “Reduction of temperaturedependent
• gain in L-band EDFA using
• antimony–aluminum codoped silica EDF”, IEEE
• PhotonicsTechnol. Lett., 17, 1839–1841, 2005.
• Desurvire, E., “Erbium-Doped Fiber Amplifier:
• Principles and Applications”, John Wiley and
• Sons. Inc., NewYork, 1994.
• McCumber, D.E., “Theory of phonon-terminated
• optical masers”, Phys. Rev., 134, A299–A305,
• -
• Miniscalco, W.J., Quimby, R. S., “General
• procedure for the analysis of Er3+ cross
• sections”, Opt. Lett.,16, 258–260, 1991.
• Berkdemir, C., Özsoy, S., “The temperature
• dependent performance analysis of EDFAs
• pumped at 1480nm: a more accurate propagation
• equation”, Optics Express 13, 5179–5185, 2005.
• Lin, M.C., Chi, S., “The gain and optimal length
• in the erbium-doped fiber amplifiers with 1480
• nm pumping”, IEEE Photonics Technol. Lett.,
• , 354–356, 1992.
• Yucel, M., Goktas, H.H., Ozkaraca, O.,
• “Temperature dependence of noise figure in the
• erbium doped fiber amplifier”, J. Fac. Eng.
• Archit. Gazi Univ., 25(3), 635–641, 2010.
• Yucel, M., Goktas, H.H., “Determination of
• minimum temperature coefficient of C band
• EDFA”, Journal of Applied Sciences, 8(23),
• -4467, 2008.
• Hossain, N., Naji, A. W., Mishra, V., Abbou, F.
• M., Al-Mansoori, M. H., Mahdi, M. A., Faidz, A.
• R., “Modeling, Optimization, and Experimental
• Evaluation Of Remotely Pumped Double-Pass
• EDFA”, Microwave and Optical Technol.
• Lett., 49(9), 2257-2261, 2007.