Pr3+- and Pr3+/ Er3+ -Doped Selenide Glasses for Potential 1.6 mm Optical Amplifier Materials

ETRI Journal

关键词: Optical telecommunication;    L+-band;    fiber amplifier;    Praseodymium;   

Others  :  1184390
DOI  :  10.4218/etrij.01.0101.0301

【 摘 要 】

1.6 μm emission originated from Pr³⁺: (³F₃, ³F₄) → ³H₄transition in Pr³⁺- and Pr³⁺/Er³⁺-doped selenide glasses wasinvestigated under an optical pump of a conventional 1480nm laser diode. The measured peak wavelength and fullwidthat half-maximum of the fluorescent emission are~1650 nm and ~120 nm, respectively. A moderate lifetimeof the thermally coupled upper manifolds of ~212 ± 10 μstogether with a high stimulated emission cross-section of~(3 ± 1)*10^-20 cm² promises to be useful for 1.6 μm bandfiber-optic amplifiers that can be pumped with an existinghigh-power 1480 nm laser diode. Codoping Er³⁺ enhancesthe emission intensity by way of a nonradiative Er³⁺: ⁴I_13/2Pr³⁺: (³F₃, ³F₄) energy transfer. The Dexter model basedon the spectral overlap between donor emission and acceptorabsorption describes well the energy transfer from Er³⁺to Pr³⁺ in these glasses. Also discussed in this paper are majortransmission loss mechanisms of a selenide glass opticalfiber.

   

【 参考文献 】

• [1]G.A. Thomas, B.I. Shraiman, P.F. Glodis, and M.J. Stephen, "Towards the Clarity Limit in Optical Fibre," Nature (London), vol. 404, 2000, pp. 262-264.
• [2]See, for example, papers in Optical Amplifiers and Their Applications, OSA Trends in Optics and Photonics Series (TOPS), vol. 16, edited by M.N. Zerras, A.E. Miller, and S. Sasaki (OSA, Washington DC, 1997), pp. 2?12.
• [3]R.J. Mears, L. Reekie, I.M. Jauncey, and D.N. Payne, "Low-Noise Erbium-Doped Fiber Amplifier Operating at 1.54 μm," Electron. Lett., vol. 23, 1987, pp. 1026-1028.
• [4]Y. Ohishi, A. Mori, M. Yamada, H. Ono, Y. Nishida, and K. Oikawa, "Gain Characteristics of Tellurite-Based Erbium-Doped Fiber Amplifiers for 1.5-μm Broadband Amplification," Opt. Lett., vol. 23, no. 4, 1998, pp. 274-276.
• [5]B.H. Choi, M.J. Chu, H.H. Park, and J.H. Lee, "Performances of Erbium-Doped Fiber Amplifier Using 1530 nm-Band Pump for Long Wavelength Multichannel Amplification," ETRI J., vol. 23, no. 1, 2001, pp. 1-8.
• [6]H. Tawarayama, E. Ishikawa, K. Yamanaka, K. Itoh, K. Okada, H. Aoki, H. Yanagita, Y. Matsuoka, and H. Toratani, "Optical Amplification at 1.3 μm in a Praseodymium-Doped Sulfide Glass Fiber," J. Am. Ceram. Soc., vol. 83, no. 4, 2000, pp. 792-796.
• [7]D.T. Schaafsma, L.B. Shaw, B. Cole, J.S. Sanghera, and I.D. Aggarwal, "Modeling of Dy3+-Doped GeAsSe Glass 1.3-μm Optical Fiber Amplifiers," IEEE Photon. Technol. Lett., vol. 10, no. 11, 1998, pp. 1548-1550.
• [8]T. Kasamatsu, Y. Yano, and H. Sekita, "1.50-μm-Band GainShifted Thulium-Doped Fiber Amplifier with 1.05- and 1.56-μm Dual-Wavelength Pumping," Opt. Lett., vol. 24, no. 23, 1999, pp. 1684-1686.
• [9]T. Sakamoto, M. Shimizu, M. Yamada, T. Kanamori, Y. Ohishi, Y. Terunuma, and S. Sudo, "35-dB Gain Tm-Doped ZBLYAN Fiber Amplifier Operating at 1.65 μm," IEEE Photon. Technol. Lett., vol. 8, no. 3, 1996, pp. 349-351
• [10]S.H. Park, D.C. Lee, J. Heo, and H.S. Kim, "Pr3+/Er3+ Codoped Ge-As-Ga-S Glasses as Dual-Wavelength Fiber-Optic Amplifiers for 1.31 and 1.55 μm Windows," J. Am. Ceram. Soc., vol. 83, no. 5, 2000, pp. 1284-1286.
• [11]S.R. Bowman, J. Ganem, B.J. Feldman, and A.W. Kueny, "Infrared Laser Characteristics of Praseodymium-Doped Lanthanum Trichloride," IEEE J. Quantum Electron, vol. 30, no. 12, 1994, pp. 2925-2928.
• [12]L.B. Shaw, B.B. Harbison, B. Cole, J.S. Sanghera, and I.D. Aggarwal, "Spectroscopy of the IR Transitions in Pr3+ Doped Heavy Metal Selenide Glasses," Opt. Express, vol. 1, no. 4, 1997, pp. 87-96.
• [13]Y.G. Choi and J. Heo, "1.3 μm Emission and Multiphonon Relaxation Phenomena in PbO-Bi2O3-Ga2O3 Glasses Doped with Rare-Earths," J. Non-Cryst. Solids, vol. 217, 1997, pp. 199-207.
• [14]Y.G. Choi, K.H. Kim, S.H. Park, and J. Heo, "Comparative Study of Energy Transfers from Er3+ to Ce3+ in Tellurite and Sulfide Glasses under 980 nm Excitation," J. Appl. Phys., vol. 88, no. 7, 2000, pp. 3832-3839.
• [15]T. Kanamori, Y. Terunuma, and T. Miyashita, "Preparation of Chalcogenide Optical Fiber," Rev. Electr. Commun. Lab., vol. 32, no. 3, 1984, pp. 469-477.
• [16]P. Nemec, B. Frumarova, and M. Frumar, "Structure and Properties of the Pure and Pr3+-Doped Ge25Ga5Se70 and Ge30Ga5Se65 glasses," J. Non-Cryst. Solids, vol. 270, 2000, pp. 137-146.
• [17]Y.G. Choi, K.H. Kim, B.J. Lee, Y.B. Shin, Y.S. Kim, and J. Heo, "Emission Properties of Er3+: 4I11/2 → 4I13/2 Transition in Er3+- and Er3+/Tm3+-Doped Ge-Ga-As-S Glasses," J. Non-Cryst. Solids, vol. 278, 2000, pp. 137-144.
• [18]L.B. Shaw, S.R. Bowman, B.J. Feldman, and J. Ganem, "Radiative and Multiphonon Relaxation of the Mid-IR Transitions of Pr3+ in LaCl3," IEEE J. Quantum Electron, vol. 32, no. 12, 1996, pp. 2166-2172.
• [19]Y.G. Choi, K.H. Kim, and J. Heo, "Spectroscopic Properties of and Energy Transfer in PbO-Bi2O3-Ga2O3 Glass Doped with Er2O3," J. Am. Ceram. Soc., vol. 82, no. 10, 1999, pp. 2762-2768.
• [20]S.M. Kirkpatrick, S.R. Bowman, L.B. Shaw, and J. Ganem, "Cross Relaxation and Upconversion Coefficients of the Mid-Infrared Transitions of Pr3+: LaCl3," J. Appl. Phys., vol. 82, no. 6, 1997, pp. 2759-2765.
• [21]D.L. Dexter, "A Theory of Sensitized Luminescence in Solids," J. Chem. Phys., vol. 21, no. 5, 1953, pp. 836-850.
• [22]Y.G. Choi and J. Heo, "Influence of OH- and Nd3+ Concentrations on the Lifetimes of the Nd3+: 4F3/2 Level in PbO-Bi2O3-Ga2O3 Glasses," Phys. Chem. Glasses, vol. 39, no. 6, 1998, pp. 311-317.
• [23]R. Reisfeld and Y. Eckstein, "Energy Transfer between Tm3+ and Er3+ in Borate and Phosphate Glasses," J. Non-Cryst. Solids, vol. 11, 1973, pp. 261-284.
• [24]D.R. Simons, A.J. Faber, and H. de Waal, "Pr3+-Doped GeSxbased Glasses for Fiber Amplifiers at 1.3 μm," Opt. Lett., vol. 20, no. 5, 1995, pp. 468-470.
• [25]D.W. Hewak, J.A. Medeiros Neto, B.Samson, R.S. Brown, K.P. Jedrzejewski, J. Wang, E. Taylor, R.I. Laming, G. Wylangowski, and D.N. Payne, "Quantum-Efficiency of Praseodymium Doped Ga:La:S Glass for 1.3 μm Optical Fibre Amplifiers," IEEE Photon. Technol.
• [26]M.J.F. Digonnet and C.J. Gaeta, "Theoretical Analysis of Optical Fiber Laser Amplifiers and Oscillators," Appl. Opt., vol. 24, no. 3, 1985, pp. 333-342.
• [27]D.L. Wood and J. Tauc, "Weak Absorption Tails in Amorphous Semiconductors," Phys. Rev. B, vol. 5, no. 8, 1972, pp. 3144-3151.
• [28]S. Ramachandran and S.G. Bishop, "Excitation of Er3+ Emission by Host Glass Absorption in Sputtered Films of Er-Doped Ge10 As40Se25S25 glass," Appl. Phys. Lett., vol. 73, no. 22, 1998, pp. 3196-3198.
• [29]J.S. Sanghera and I.D. Aggarwal, "Active and Passive Chalco- Genide Glass Optical Fibers for IR Applications: a review," J. Non-Cryst. Solids, vol. 256&257, 1999, pp. 6-16.
• [30]G.G. Devyatykh, M.F. Churbanov, I.V. Scripachev, E.M. Dianov, and V.G. Plotnichenko, "The Role of Impurities in the Optical Losses of Chalcogenide Glass Fibers," Proc. SPIE, vol. 1048, 1989, pp. 80-84.
• [31]Y.G. Choi, D.H. Cho, D.I. Chang, D.S. Lim, K.H. Kim, B.J. Park, and J. Heo, "Pr3+-Doped Selenide Fiber for 1610~1650 nm Optical Amplifiers," Proc. 26th ECOC, Munich, Germany, Post Deadline Paper 2-1, 2000.