Abstract

We experimentally demonstrate highly efficient coupling into a slow light slotted photonic crystal waveguide. With optical mode converters and group index tapers that provide good optical mode matching and impedance matching, a nearly flat transmission over the entire guided mode spectrum of 68.8 nm range with 2.4 dB minimum insertion loss is demonstrated. Measurements also show up to 20 dB baseline enhancement and 30 dB enhancement in the slow light region, indicating that it is possible to design highly efficient and compact devices that benefit from the slow light enhancement without increasing the coupling loss.

© 2012 Optical Society of America

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2011 (4)

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

M. G. Scullion, T. F. Krauss, and A. Di Falco, IEEE Photon. J. 3, 203 (2011).

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

2010 (2)

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

2009 (2)

2008 (3)

A. Di Falco, L. OíFaolain, and T. F. Krauss, Appl. Phys. Lett. 92, 083501 (2008).
[CrossRef]

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

T. Baba, Nature Photonics 2, 465 (2008).
[CrossRef]

2007 (3)

T. F. Krauss, J. Phys. D 40, 2666 (2007).

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

P. Pottier, M. Gnan, and R. M. De La Rue, Opt. Express 15, 6569 (2007).
[CrossRef]

2006 (1)

2004 (1)

Almeida, V. R.

Andreani, L. C.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Baba, T.

T. Baba, Nature Photonics 2, 465 (2008).
[CrossRef]

Barrios, C. A.

Brosi, J.-M.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Chakravarty, S.

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

Chen, J.

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

Chen, R. T.

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

X. Chen, Y.-S. Chen, Y. Zhao, W. Jiang, and R. T. Chen, Opt. Lett. 34, 602 (2009).
[CrossRef]

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

Chen, X.

X. Chen, Y.-S. Chen, Y. Zhao, W. Jiang, and R. T. Chen, Opt. Lett. 34, 602 (2009).
[CrossRef]

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

Chen, Y.-S.

Dai, D.

De La Rue, R. M.

Di Falco, A.

M. G. Scullion, T. F. Krauss, and A. Di Falco, IEEE Photon. J. 3, 203 (2011).

A. Di Falco, L. OíFaolain, and T. F. Krauss, Appl. Phys. Lett. 92, 083501 (2008).
[CrossRef]

Freude, W.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Gnan, M.

Gu, L.

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

He, S.

Jen, A. K. Y.

Jen, A. K.-Y.

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

Jiang, W.

X. Chen, Y.-S. Chen, Y. Zhao, W. Jiang, and R. T. Chen, Opt. Lett. 34, 602 (2009).
[CrossRef]

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

Koos, C.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Krauss, T. F.

M. G. Scullion, T. F. Krauss, and A. Di Falco, IEEE Photon. J. 3, 203 (2011).

A. Di Falco, L. OíFaolain, and T. F. Krauss, Appl. Phys. Lett. 92, 083501 (2008).
[CrossRef]

T. F. Krauss, J. Phys. D 40, 2666 (2007).

Lai, W.

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

Lai, W.-C.

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

Lee, B. S.

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

Leuthold, J.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Lin, C.

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

Lin, C.-Y.

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

Lipson, M.

Luo, J.

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

McNab, S. J.

OíFaolain, L.

A. Di Falco, L. OíFaolain, and T. F. Krauss, Appl. Phys. Lett. 92, 083501 (2008).
[CrossRef]

Pottier, P.

Scullion, M. G.

M. G. Scullion, T. F. Krauss, and A. Di Falco, IEEE Photon. J. 3, 203 (2011).

Tang, Y.

Vlasov, Y. A.

Waldow, M.

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

Wang, X.

X. Wang, C.-Y. Lin, S. Chakravarty, J. Luo, A. K. Y. Jen, and R. T. Chen, Opt. Lett. 36, 882 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Opt. Lett. 36, 984 (2011).
[CrossRef]

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

Wang, Z.

Wosinski, L.

Xu, Q.

Zhao, Y.

Zhu, N.

Appl. Phys. Lett. (5)

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W. Lai, J. Luo, A. K.-Y. Jen, and R. T. Chen, Appl. Phys. Lett. 97, 093304 (2010).

W.-C. Lai, S. Chakravarty, X. Wang, C. Lin, and R. T. Chen, Appl. Phys. Lett. 98, 023304 (2011).
[CrossRef]

X. Chen, W. Jiang, J. Chen, L. Gu, and R. T. Chen, Appl. Phys. Lett. 91, 091111 (2007).

A. Di Falco, L. OíFaolain, and T. F. Krauss, Appl. Phys. Lett. 92, 083501 (2008).
[CrossRef]

C.-Y. Lin, X. Wang, S. Chakravarty, B. S. Lee, W.-C. Lai, and R. T. Chen, Appl. Phys. Lett. 97, 183302 (2010).

IEEE Photon. J. (1)

M. G. Scullion, T. F. Krauss, and A. Di Falco, IEEE Photon. J. 3, 203 (2011).

J. Phys. D (1)

T. F. Krauss, J. Phys. D 40, 2666 (2007).

Nature Photonics (1)

T. Baba, Nature Photonics 2, 465 (2008).
[CrossRef]

Opt. Express (1)

Opt. Lett. (6)

Optics Express (1)

J.-M. Brosi, C. Koos, L. C. Andreani, M. Waldow, J. Leuthold, and W. Freude, Optics Express 16, 4177 (2008).
[CrossRef]

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Figures (5)

Fig. 1.
Fig. 1.

Schematic of the slow light slotted PCW, group index taper, mode converter, and strip waveguide (tapered). The insets show the mode profiles of a strip waveguide and a slow light slotted PCW at high group index (ng=100).

Fig. 2.
Fig. 2.

(a) Photonic band diagram. (b) Group index versus wavelength. The inset shows the waveguide width in the group index taper region.

Fig. 3.
Fig. 3.

Transmission spectra of D1, D2, D3, and D4. SWG represents strip waveguide.

Fig. 4.
Fig. 4.

Scanning electron microscope (SEM) pictures of the fabricated slotted PCW devices.

Fig. 5.
Fig. 5.

Enhancement spectrum defined as the transmission difference between device D1 and other devices.

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