Abstract

A star coupler-based beam splitter for rib waveguides is reported. A design method is presented and applied in the case of silicon-on-insulator rib waveguides. Experimental results are in good agreement with simulations. Excess loss lower than 1dB is experimentally obtained for star coupler lengths from 0.5 to 1μm. Output balance is better than 1dB, which is the measurement accuracy, and broadband transmission is obtained over 90nm.

© 2010 Optical Society of America

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References

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2010 (2)

M. Paniccia, Nat. Photon. 4, 498 (2010).
[CrossRef]

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

2008 (1)

2007 (1)

2005 (1)

2004 (1)

2002 (1)

1995 (1)

L. Soldano and E. Pennings, J. Lightwave Technol. 13, 615 (1995).
[CrossRef]

Cassan, E.

Dexter, R.

Fédéli, J. M.

Franck, T.

Gardes, F. Y.

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

Green, W.

He, S.

Hodge, D.

Keil, U.

Koster, A.

Laval, S.

Liao, L.

Lipson, M.

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

Liu, A.

Lu, J.

Lyan, P.

Manipatruni, S.

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

Marris-Morini, D.

Mashanovich, G.

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

Morse, M.

Paniccia, M.

M. Paniccia, Nat. Photon. 4, 498 (2010).
[CrossRef]

Pascal, D.

Pennings, E.

L. Soldano and E. Pennings, J. Lightwave Technol. 13, 615 (1995).
[CrossRef]

Reed, G. T.

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

Rooks, M.

Rubin, D.

Samara-Rubio, D.

Schmidt, B.

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

Sekaric, L.

Shakya, J.

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

Soldano, L.

L. Soldano and E. Pennings, J. Lightwave Technol. 13, 615 (1995).
[CrossRef]

Thomson, D. J.

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

Vivien, L.

Vlasov, Y.

Wang, Q.

Xu, Q.

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

Appl. Opt. (1)

J. Lightwave Technol. (1)

L. Soldano and E. Pennings, J. Lightwave Technol. 13, 615 (1995).
[CrossRef]

J. Opt. Soc. Am. A (1)

Nat. Photon. (2)

M. Paniccia, Nat. Photon. 4, 498 (2010).
[CrossRef]

G. T. Reed, G. Mashanovich, F. Y. Gardes, and D. J. Thomson, Nat. Photon. 4, 518 (2010).
[CrossRef]

Opt. Express (3)

Other (1)

S. Manipatruni, Q. Xu, B. Schmidt, J. Shakya, and M. Lipson, presented at the 20th Annual Meeting of the IEEE Lasers and Electro-Optics Society, LEOS 2007, October 21-25, 2007.

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Figures (5)

Fig. 1
Fig. 1

Schematic view of the star coupler-based beam splitter; inset, SEM view.

Fig. 2
Fig. 2

Relation between the optimal angle (α) and the star coupler length for the proposed design.

Fig. 3
Fig. 3

Simulated excess loss of the splitter as a function of the star coupler length at 1.55 μm wavelength.

Fig. 4
Fig. 4

Experimental excess loss of the splitter as a function of the star coupler length at 1.55 μm wavelength.

Fig. 5
Fig. 5

Optical transmission of the beam splitter as a function of the wavelength for L = 0.75 μm .

Equations (1)

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tan ( α ) = ( W wg + e ) / 2 z c + L .

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