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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 4 — Apr. 1, 2009
  • pp: 633–639

Er - Li Nb O 3 waveguide: field approximation for simplified gain calculations in DWDM application

Geetika Jain, Amita Kapoor, and Enakshi K. Sharma  »View Author Affiliations


JOSA B, Vol. 26, Issue 4, pp. 633-639 (2009)
http://dx.doi.org/10.1364/JOSAB.26.000633


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Abstract

The coupled differential equations, which govern the evolution of pump and signal power in the gain characterization of Er-doped diffused channel waveguides, involve integrals that depend explicitly on the modal fields at the pump and all signal wavelengths. We use an analytical form of the modal field as an appropriately chosen buried asymmetric Gaussian function centered at the field maximum; this leads to analytical forms of coupled differential equations with no integrals for the calculation of gain characteristics of the amplifying waveguide. Thus, computations are simplified and computation time is also significantly reduced.

© 2009 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(230.7380) Optical devices : Waveguides, channeled
(230.4480) Optical devices : Optical amplifiers

ToC Category:
Integrated Optics

History
Original Manuscript: October 23, 2008
Manuscript Accepted: January 12, 2009
Published: March 6, 2009

Citation
Geetika Jain, Amita Kapoor, and Enakshi K. Sharma, "Er-LiNbO3 waveguide: field approximation for simplified gain calculations in DWDM application," J. Opt. Soc. Am. B 26, 633-639 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-4-633


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References

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  2. R. Brinkmann, I. Baumann, M. Dinand, W. Sohler, and H. Suche, “Er-doped single and double pass Ti:LiNbO3 waveguide amplifiers,” IEEE J. Quantum Electron. 30, 2356-2360 (1994). [CrossRef]
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  8. G. Jain and E. K. Sharma, “Gain calculation in erbium doped LiNbO3 channel waveguides by defining a complex index profile,” Opt. Eng. (Bellingham) 43, 1454-1460 (2004). [CrossRef]

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