Ion-beam deposited, gain enhanced ring resonators

Details Ion-beam deposited, gain enhanced ring resonators Ion-beam deposited, gain enhanced ring resonators

1992-12-28

1994-06-07

Bovernick, Rodney B.

Optical waveguides

With optical coupler

Particular coupling function

385131, 385141, 372 94, G02B 610

Patent

active

053197275

ABSTRACT:
An optical waveguide is created using the process of ion beam deposition resulting in a waveguide with low propagation loss, mode discrimination, and gain characteristics. The waveguide is made up of a multilayer stack which is deposited upon a thermally stable substrate, wherein the multilayer stack comprises alternating layers of a first material and a second material. The layers of second material are doped with a rare earth material. By pumping the waveguide with a pump light source, interaction between the pump light and the rare earth material within the waveguide causes amplification or gain of a first optical signal. Ion beam deposition is used to fabricate the waveguide, therefore production of a high quality rare earth doped waveguide is possible. Furthermore, the waveguide is made using batch processing thus reducing costs.

REFERENCES:
patent: 4097826 (1978-06-01), Knox et al.
patent: 4792962 (1988-12-01), Miyauchi et al.
patent: 5123027 (1992-06-01), Lawrence
patent: 5194079 (1993-03-01), Tumminelli et al.
"Extended-Cavity Operation of Rare-Earth-Doped Glass Waveguide Lasers", Sanford et al., National Institute of Standards and Technology, Optic Letters, vol. 16, No. 14, Jul. 15, 1991.
"Lightwave Communications:The Fifth Generation", Emmanuel Desurvire, Scientific America, Jan. 1992.

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