Abstract

An Er-doped bismuthate glass waveguide amplifier has been fabricated using ultrafast laser inscription. Under zero pump conditions, the 87.0 mm long waveguide exhibited a fiber-to-fiber insertion loss of 4.0 dB at 1618 nm, outside the Er3+ ion absorption band. We attribute ≈1.8 dB of the insertion loss to coupling losses, 0.2 dB to Fresnel reflections and ≈2.0 dB to propagation losses. When pumped using 1050 mW of 980 nm light, the amplifier exhibited a peak internal gain per unit length of 2.3 dB.cm−1 at 1533 nm and a peak fiber-to-fiber net gain of 16.0 dB at 1533 nm. In this paper we also report the results of output power saturation and noise figure measurements.

©2010 Optical Society of America

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References

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    [Crossref] [PubMed]
  3. R. R. Thomson, H. T. Bookey, N. D. Psaila, A. Fender, S. Campbell, W. N. Macpherson, J. S. Barton, D. T. Reid, and A. K. Kar, “Ultrafast-laser inscription of a three dimensional fan-out device for multicore fiber coupling applications,” Opt. Express 15(18), 11691–11697 (2007).
    [Crossref] [PubMed]
  4. Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
    [Crossref]
  5. R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
    [Crossref]
  6. G. Della Valle, R. Osellame, N. Chiodo, S. Taccheo, G. Cerullo, P. Laporta, A. Killi, U. Morgner, M. Lederer, and D. Kopf, “C-band waveguide amplifier produced by femtosecond laser writing,” Opt. Express 13(16), 5976–5982 (2005).
    [Crossref] [PubMed]
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    [Crossref]
  8. G. Della Valle, S. Taccheo, R. Osellame, A. Festa, G. Cerullo, and P. Laporta, “1.5 mum single longitudinal mode waveguide laser fabricated by femtosecond laser writing,” Opt. Express 15(6), 3190–3194 (2007).
    [Crossref] [PubMed]
  9. G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
    [Crossref]
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  11. Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
    [Crossref]
  12. Y. Nasu, M. Kohtoku, and Y. Hibino, “Low-loss waveguides written with a femtosecond laser for flexible interconnection in a planar light-wave circuit,” Opt. Lett. 30(7), 723–725 (2005).
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  13. S. Eaton, H. Zhang, P. Herman, F. Yoshino, L. Shah, J. Bovatsek, and A. Arai, “Heat accumulation effects in femtosecond laser-written waveguides with variable repetition rate,” Opt. Express 13(12), 4708–4716 (2005).
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  14. “Specialty single mode fiber specification sheet,” http://www.specialtyphotonics.com/pdf/products/022_023.pdf
  15. X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
    [Crossref]
  16. R. R. Thomson, H. T. Bookey, H. Ur-Rehman, S. Liu, N. Suyal, and A. K. Kar, “Optically Active Erbium-Doped Waveguides Fabricated Using a Single-Sol–Gel-Deposition Technique,” J. Lightwave Technol. 23(12), 4249–4256 (2005).
    [Crossref]
  17. P. C. Becker, N. A. Olsson, and J. R. Simpson, Erbium Doped Fiber Amplifiers: Fundamentals and Technology, (Academic Press, San Diego, Calif., 1999)
  18. S. J. Beecher, R. R. Thomson, N. D. Psaila, A. K. Kar, Z. Sun, T. Hasan, A. Rozhin, and A. C. Ferrari, “420 fs Pulses from an Ultrafast Laser Inscribed Waveguide Laser Utilizing a Carbon Nanotube Saturable Absorber,” accepted for presentation at the 2010 Conference on Lasers and Electro-Optics (CLEO) - paper CThI6.

2008 (1)

2007 (4)

G. Della Valle, S. Taccheo, R. Osellame, A. Festa, G. Cerullo, and P. Laporta, “1.5 mum single longitudinal mode waveguide laser fabricated by femtosecond laser writing,” Opt. Express 15(6), 3190–3194 (2007).
[Crossref] [PubMed]

R. R. Thomson, H. T. Bookey, N. D. Psaila, A. Fender, S. Campbell, W. N. Macpherson, J. S. Barton, D. T. Reid, and A. K. Kar, “Ultrafast-laser inscription of a three dimensional fan-out device for multicore fiber coupling applications,” Opt. Express 15(18), 11691–11697 (2007).
[Crossref] [PubMed]

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

2006 (2)

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

2005 (5)

2001 (1)

1999 (1)

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

1996 (1)

Almeida, R. M.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Ams, M.

Arai, A.

Barbier, D.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Barton, J. S.

Bookey, H. T.

Bovatsek, J.

Campbell, S.

Cerullo, G.

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

G. Della Valle, S. Taccheo, R. Osellame, A. Festa, G. Cerullo, and P. Laporta, “1.5 mum single longitudinal mode waveguide laser fabricated by femtosecond laser writing,” Opt. Express 15(6), 3190–3194 (2007).
[Crossref] [PubMed]

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

G. Della Valle, R. Osellame, N. Chiodo, S. Taccheo, G. Cerullo, P. Laporta, A. Killi, U. Morgner, M. Lederer, and D. Kopf, “C-band waveguide amplifier produced by femtosecond laser writing,” Opt. Express 13(16), 5976–5982 (2005).
[Crossref] [PubMed]

Cheng, Y.

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

Chiodo, N.

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

G. Della Valle, R. Osellame, N. Chiodo, S. Taccheo, G. Cerullo, P. Laporta, A. Killi, U. Morgner, M. Lederer, and D. Kopf, “C-band waveguide amplifier produced by femtosecond laser writing,” Opt. Express 13(16), 5976–5982 (2005).
[Crossref] [PubMed]

Davis, K. M.

Dekker, P.

Della Valle, G.

Du, X. M.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Eaton, S.

Fender, A.

Ferrari, A. C.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Festa, A.

Galzerano, G.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Hayashi, H.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

Herman, P.

Hibino, Y.

Hirao, K.

Jha, A.

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

Juodkazis, S.

Kageyama, J.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

Kar, A. K.

Killi, A.

Kohtoku, M.

Kondo, Y.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

Kopf, D.

Laporta, P.

Lederer, M.

Liu, S.

Macpherson, W. N.

Marcinkevicius, A.

Marshall, G. D.

Maselli, V.

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

Matsuo, S.

McCarthy, O.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Midorikawa, K.

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

Misawa, H.

Miura, K.

Miwa, M.

Morgner, U.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

G. Della Valle, R. Osellame, N. Chiodo, S. Taccheo, G. Cerullo, P. Laporta, A. Killi, U. Morgner, M. Lederer, and D. Kopf, “C-band waveguide amplifier produced by femtosecond laser writing,” Opt. Express 13(16), 5976–5982 (2005).
[Crossref] [PubMed]

Nasu, Y.

Nishii, J.

Ono, M.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

Orignac, X.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Osellame, R.

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

G. Della Valle, S. Taccheo, R. Osellame, A. Festa, G. Cerullo, and P. Laporta, “1.5 mum single longitudinal mode waveguide laser fabricated by femtosecond laser writing,” Opt. Express 15(6), 3190–3194 (2007).
[Crossref] [PubMed]

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

G. Della Valle, R. Osellame, N. Chiodo, S. Taccheo, G. Cerullo, P. Laporta, A. Killi, U. Morgner, M. Lederer, and D. Kopf, “C-band waveguide amplifier produced by femtosecond laser writing,” Opt. Express 13(16), 5976–5982 (2005).
[Crossref] [PubMed]

Piper, J. A.

Psaila, N. D.

R. R. Thomson, H. T. Bookey, N. D. Psaila, A. Fender, S. Campbell, W. N. Macpherson, J. S. Barton, D. T. Reid, and A. K. Kar, “Ultrafast-laser inscription of a three dimensional fan-out device for multicore fiber coupling applications,” Opt. Express 15(18), 11691–11697 (2007).
[Crossref] [PubMed]

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

Ramponi, R.

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

Reid, D. T.

Reyes, M.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

Rozhin, A. G.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Scardaci, V.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Shah, L.

Shen, S.

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

Sugimoto, N.

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

K. M. Davis, K. Miura, N. Sugimoto, and K. Hirao, “Writing waveguides in glass with a femtosecond laser,” Opt. Lett. 21(21), 1729–1731 (1996).
[Crossref] [PubMed]

Sugioka, K.

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

Suyal, N.

Svelto, O.

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Taccheo, S.

Thomson, R. R.

Tsai, H. L.

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

Ur-Rehman, H.

Vazquez, R. M.

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

Watanabe, M.

Withford, M. J.

Yeatman, E.

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Yoshino, F.

Zhang, H.

Appl. Phys. Lett. (3)

R. Osellame, V. Maselli, R. M. Vazquez, R. Ramponi, and G. Cerullo, “Integration of optical waveguides and microfluidic channels both fabricated by femtosecond laser irradiation,” Appl. Phys. Lett. 90(23), 231118 (2007).
[Crossref]

N. D. Psaila, R. R. Thomson, H. T. Bookey, A. K. Kar, N. Chiodo, R. Osellame, G. Cerullo, A. Jha, and S. Shen, “Er:Yb-doped oxyfluoride silicate glass waveguide amplifier fabricated using femtosecond laser inscription,” Appl. Phys. Lett. 90(13), 131102 (2007).
[Crossref]

G. Della Valle, R. Osellame, G. Galzerano, N. Chiodo, G. Cerullo, P. Laporta, O. Svelto, U. Morgner, A. G. Rozhin, V. Scardaci, and A. C. Ferrari, “Passive mode locking by carbon nanotubes in a femtosecond laser written waveguide laser,” Appl. Phys. Lett. 89(23), 231115 (2006).
[Crossref]

Appl. Phys., A Mater. Sci. Process. (1)

Y. Cheng, H. L. Tsai, K. Sugioka, and K. Midorikawa, “Fabrication of 3D microoptical lenses in photosensitive glass using femtosecond laser micromachining,” Appl. Phys., A Mater. Sci. Process. 85(1), 11–14 (2006).
[Crossref]

Electron. Lett. (1)

Y. Kondo, M. Ono, J. Kageyama, H. Hayashi, M. Reyes, and N. Sugimoto, “Gain characteristics of 6cm-long Er-doped bismuthate waveguide,” Electron. Lett. 41(6), 317–318 (2005).
[Crossref]

J. Lightwave Technol. (1)

Opt. Express (4)

Opt. Lett. (4)

Opt. Mater. (1)

X. Orignac, D. Barbier, X. M. Du, R. M. Almeida, O. McCarthy, and E. Yeatman, “Sol-gel silica/titania-on-silicon Er/Yb-doped waveguides for optical amplification at 1.5 μm,” Opt. Mater. 12(1), 1–18 (1999).
[Crossref]

Other (3)

P. C. Becker, N. A. Olsson, and J. R. Simpson, Erbium Doped Fiber Amplifiers: Fundamentals and Technology, (Academic Press, San Diego, Calif., 1999)

S. J. Beecher, R. R. Thomson, N. D. Psaila, A. K. Kar, Z. Sun, T. Hasan, A. Rozhin, and A. C. Ferrari, “420 fs Pulses from an Ultrafast Laser Inscribed Waveguide Laser Utilizing a Carbon Nanotube Saturable Absorber,” accepted for presentation at the 2010 Conference on Lasers and Electro-Optics (CLEO) - paper CThI6.

“Specialty single mode fiber specification sheet,” http://www.specialtyphotonics.com/pdf/products/022_023.pdf

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Figures (5)

Fig. 1
Fig. 1 Experimental setup used to characterize the performance of the inscribed waveguides.

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Fig. 2
Fig. 2 (a) Transmission mode optical micrograph of the optimum waveguide end-facet. The laser entered from the top of the image. (b) Near-field image of the optimum waveguide 1550 nm mode when the insertion loss is minimized. The field of view of both (a) and (b) is 40.0 µm × 40.0 µm.

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Fig. 3
Fig. 3 Fiber-to-fiber net gain spectra under different pump powers, measured using the ASE signal source (solid lines). The net gains under maximum pumping, measured at discrete wavelengths using the tunable laser signal source, are also shown (circles). Pumping up to 500 mW is applied in a counter-propagating direction. Above 500 mW additional pump is applied in a co-propagating direction.

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Fig. 4
Fig. 4 Fiber-to-fiber net gain at 1533 nm vs. applied pump power, measured using the ASE signal source. Pumping up to 500 mW is applied in a counter-propagating direction only. Above 500 mW, additional increases are applied in a co-propagating direction.

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Fig. 5
Fig. 5 (a) Fiber-to-fiber net gain as a function of signal output power for different signal wavelengths. (b) Noise figure of the amplifier in the low-signal regime, under maximum pumping.

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Equations (1)

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N F ( d B ) = 10 L o g 10 ( P A S E h   ν   B 0   G + 1 G )

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