Abstract

We present thermally tunable silicon racetrack resonators with an ultralow tuning power of 2.4 mW per free spectral range. The use of free-standing silicon racetrack resonators with undercut structures significantly enhances the tuning efficiency, with one order of magnitude improvement of that for previously demonstrated thermo-optic devices without undercuts. The 10%-90% switching time is demonstrated to be ~170 µs. Such low-power tunable micro-resonators are particularly useful as multiplexing devices and wavelength-tunable silicon microcavity modulators.

© 2010 OSA

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2010 (3)

2009 (4)

2008 (2)

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

N. Sherwood-Droz, H. Wang, L. Chen, B. G. Lee, A. Biberman, K. Bergman, and M. Lipson, “Optical 4x4 hitless slicon router for optical networks-on-chip (NoC),” Opt. Express 16(20), 15915–15922 (2008).
[CrossRef] [PubMed]

2007 (3)

2006 (3)

R. A. Soref, “The past, present and future of silicon photonics,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1678–1687 (2006).
[CrossRef]

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

B. Jalali, M. Paniccia, and G. Reed, “Silicon photonics,” IEEE Microw. Mag. 7(3), 58–68 (2006).
[CrossRef]

2005 (1)

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Ahn, D.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Apsel, A. B.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Asghari, M.

Beals, M.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Bergman, K.

Biberman, A.

Carothers, D.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Chen, L.

Chen, P.

Chen, Y. K.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Chetrit, Y.

Ciftcioglu, B.

Conway, T.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Cunningham, J. E.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Dong, P.

Feng, D.

Feng, N.-N.

Geng, M.

Gill, D. M.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Green, W. M.

Grove, M.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Ho, R.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Hong, C.-Y.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Izhaky, N.

Jalali, B.

B. Jalali, M. Paniccia, and G. Reed, “Silicon photonics,” IEEE Microw. Mag. 7(3), 58–68 (2006).
[CrossRef]

Jia, L.

Khan, M. H.

Kimerling, L. C.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Koka, P.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Krishnamoorthy, A. V.

Kung, C.-C.

Lee, B. G.

Lexau, J.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Li, D.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Li, G.

Liang, H.

Liao, L.

Liao, S.

Lipson, M.

N. Sherwood-Droz, H. Wang, L. Chen, B. G. Lee, A. Biberman, K. Bergman, and M. Lipson, “Optical 4x4 hitless slicon router for optical networks-on-chip (NoC),” Opt. Express 16(20), 15915–15922 (2008).
[CrossRef] [PubMed]

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Liu, A.

Liu, J.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Liu, Y.

Martinez, J.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Michel, J.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Miller, D. A. B.

D. A. B. Miller, “Device requirements for optical interconnects to silicon chips,” Proc. IEEE 97, 1166–1185 (2009).
[CrossRef]

Ng, H.-Y.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Nguyen, H.

Pan, D.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Panepucci, R. R.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Paniccia, M.

Patel, S. S.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Pathak, K.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Pomerane, A. T.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Pradhan, S.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Qi, M.

Qian, W.

Rasras, M.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Reano, R. M.

Reed, G.

B. Jalali, M. Paniccia, and G. Reed, “Silicon photonics,” IEEE Microw. Mag. 7(3), 58–68 (2006).
[CrossRef]

Rooks, M. J.

Rubin, D.

Schmidt, B.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Schwetman, H.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Sekaric, L.

Shafiiha, R.

Shen, H.

Sherwood-Droz, N.

Shubin, I.

A. V. Krishnamoorthy, R. Ho, X. Zheng, H. Schwetman, J. Lexau, P. Koka, G. Li, I. Shubin, and J. E. Cunningham, “Computer systems based on silicon photonic interconnects,” Proc. IEEE 97, 1337–1361 (2009).
[CrossRef]

Soref, R. A.

R. A. Soref, “The past, present and future of silicon photonics,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1678–1687 (2006).
[CrossRef]

Sparacin, D. K.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Sun, P.

Tu, K.-Y.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Vlasov, Y. A.

Wang, H.

Wang, M. R.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

Wang, T.

Wang, X.

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

White, A. E.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Wong, C. W.

L. C. Kimerling, D. Ahn, A. B. Apsel, M. Beals, D. Carothers, Y. K. Chen, T. Conway, D. M. Gill, M. Grove, C.-Y. Hong, M. Lipson, J. Liu, J. Michel, D. Pan, S. S. Patel, A. T. Pomerane, M. Rasras, D. K. Sparacin, K.-Y. Tu, A. E. White, and C. W. Wong, “Electronic–photonic integrated circuits on the CMOS platform,” Proc. SPIE 6125, 6–15 (2006).

Xiao, S.

Xu, Q.

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Yang, L.

Zhang, L.

Zheng, D.

Zheng, X.

IEEE J. Sel. Top. Quantum Electron. (1)

R. A. Soref, “The past, present and future of silicon photonics,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1678–1687 (2006).
[CrossRef]

IEEE Microw. Mag. (1)

B. Jalali, M. Paniccia, and G. Reed, “Silicon photonics,” IEEE Microw. Mag. 7(3), 58–68 (2006).
[CrossRef]

Nature (1)

Q. Xu, B. Schmidt, S. Pradhan, and M. Lipson, “Micrometre-scale silicon electro-optic modulator,” Nature 435(7040), 325–327 (2005).
[CrossRef] [PubMed]

Opt. Eng. (1)

H.-Y. Ng, M. R. Wang, D. Li, X. Wang, J. Martinez, R. R. Panepucci, and K. Pathak, “4 x 4 wavelength-reconfigurable photonic switch based on thermally tuned silicon microring resonators,” Opt. Eng. 47(4), 044601 (2008).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

(a) Cross section of the resonator waveguide with air trenches. (b) Cross section of the resonator waveguide with undercuts beneath the waveguides.

Fig. 2
Fig. 2

Tilted top-view SEM for two fully fabricated free-standing racetrack resonators with a 4 µm bend radius (a) and a 10 µm bend radius (b).

Fig. 3
Fig. 3

(a) Through port spectra with various heating powers for the device in Fig. 2(a). (b) Resonance shift as a function of tuning power.

Fig. 4
Fig. 4

(a) Through port spectra with various heating powers for the device shown in Fig. 2(b). (b) Resonance shift as a function of tuning power.

Fig. 5
Fig. 5

Temporal response of the resonator in Fig. 2(a). The green line represents the electrical drive signal with a voltage swing of 0.5 V, and the blue line indicates the optical transmission at the through port. 10%-90% switching times were measured as ~170 µs for the rise time and ~150 µs for the fall time.

Tables (1)

Tables Icon

Table 1 Tuning power and speed comparison of some of previously demonstrated thermally tuned silicon microcavities and the device presented in this work

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