ETRI Journal

  • 제27권4호
  • /
  • Pages.446-448
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  • 2005
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
권호 표지

Femtosecond Laser Application to PLC Optical Devices and Packaging

  • 투고 : 2004.11.17
  • 발행 : 2005.08.31
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초록

Using tightly focused femtosecond laser pulses, we produce an optical waveguide and devices in transparent materials. This technique has the potential to generate not only channel waveguides, but also three-dimensional optical devices. In this paper, an optical splitter and U-grooves, which are used for fiber alignment, are simultaneously fabricated in a fused silica glass using near-IR femtosecond laser pulses. The fiber- aligned optical splitter has a low insertion loss, less than 4 dB, including an intrinsic splitting loss of 3 dB and excess loss due to the passive alignment of a single-mode fiber. Finally, we present an output field pattern, demonstrating that the splitting ratio of the optical splitter becomes approximately 1:1.

키워드

참고문헌

  1. Appl. Phys. Lett. v.71 Photowritten Optical Waveguides in Glasses with Ultrashort Pulse Laser Qiu, Miura, J.;Inouye, H.;Mitsuyu, T.;Hirao, K.
  2. J. Non-Cryst. Solids. v.239 Writing Waveguides and Gratings in Silica and Related Materials by a Femtosecond Laser Hirao, K.;Miura, K.
  3. Appl. Phys. Lett. v.78 Holographic Encoding of Fine-Pitched Micrograting Structures in Amorphous SiO2 Thin Films on Silicon by a Single Femtosecond Laser Pulses Kawamura, K.;Sarukura, N.;Hirao, K.
  4. Opt. Commun. v.212 Nanostructuring in Submicron-Level Waveguides with Femtosecond Laser Pulses Li, M.;Ishizuka, M.;Liu, X.;Sugimoto, Y.;Ikeda, N.;Asakawa, K.
  5. IEEE Photon. Technol. Lett. v.16 Fiber Bragg Gratings with Suppressed Cladding Modes Made in SMF-28 with a Femtosecond IR Laser and a Phase Mask Grobnic, D.;Smelser, C. W.;Mihilov, S.J.;Walker, R.B.;Lu, P.
  6. Electron. Lett. v.36 Optical Waveguide Amplifier in Nd-Doped Glass Written with Near-IR Femtosecond Laser Pulses Sikorski, Y.;Said, A.A.;Bado, P.;Maynard, R.;Florea, C.;Killinger, D.K.
  7. Opt. Lett. v.26 Fabrication and Analysis of a Directional Coupler Written in Glass by Nanojoule Femtosecond Laser Pulses Streltsov, A.M.;Borrelli, N.F.
  8. IEEE Photon. Technol. Lett. v.16 Microstructure in Lithium Niobate by Use of Focused Femtosecond Laser Pulses Gui, L.;Xu, B.;Chong, T.C.
  9. J. Lightwave Technol. v.21 Fabrication and Characterization of Photonic Devices Directly Written in Glass Using Femtosecond Laser Pulses Florea, C.;Winick, K.A.
  10. ETRI J. v.25 no.2 Effective Silicon Oxide Formation on Silica-on-Silicon Platforms for Optical Hybrid Integration Kim, Tae-Hong;Sung, Hee-Kyung;Choi, Ji-Won;Yoon, Ki-Hyun