Abstract

Operation performance of a 40 Gbps, 2-bit Optical Digital-to-Analog converter (ODAC) and its application to optical label switching systems have been investigated. The device is composed of a 1$\,\times\,$2 multi-mode interference (MMI) splitter, one-bit-delay line, and a 2$\,\times\,$1 MMI combiner. It has a high-mesa structure fabricated on InP-based materials. Dependence of output signal level on input signal wavelength and device temperature was measured. Due to the optical phase variation caused by the refractive index change with wavelength and temperature, output signal level varied, and it agreed well with simulation results. Four-level signals were generated and a quarter dependence of phase on temperature and wavelength compared with that for 10-Gbit/s was verified. Next, operation tolerance of the ODAC as an optical label processor, bit error rate (BER) of the digital-to-analog (DA)-converted signal was simulated. The tolerance against fluctuation of light source power, optical phase in the device, optical chirp, and extinction ratio of input signal was estimated. For all parameters, operation tolerance could be kept, but that for 40 Gbps is smaller than that for 10 Gbps. Then, autonomous label processing and optical label switching performance using a gate pulse generation scheme based on phase-shifted preamble was investigated. Optical DA conversion and three kinds of optical label were recognized at a bit rate of 40 Gbps, and optical packet transfer could be confirmed.

© 2010 IEEE

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2007 (1)

S. Shimizu, K. Kobayashi, H. Uenohara, "Start-bit detection and gate-pulse generation using phase-modulated preamble for asynchronous packet processing," IEEE Photon. Technol. Lett. 19, 236-238 (2007).

2006 (1)

H. Uenohara, S. Shimizu, K. Kobayashi, "Demonstration of an optical label switch using an optical digital-to-analog conversion-type label processor with a self-gate-pulse generator and a power equalizer," IEEE Photon. Technol. Lett. 18, 236-238 (2006).

2005 (1)

A. Matsutani, H. Ohtsuki, F. Koyama, "Iodine solid source inductively coupled plasma etching of InP," Jpn. J. Appl. Phys. 44, L576-L577 (2005).

2004 (2)

H. Uenohara, T. Seki, K. Kobayashi, "Investigation of high-speed wavelength routing and bit-error-rate performance of an optical packet switch with an optical digital-to analog conversion-based header processor," IEEE Photon. Technol. Lett. 16, 951-953 (2004).

N. Wada, H. Harai, F. Kubota, "Optical packet switching network based on ultra-fast optical code label processing," IEICE Trans. Electron. E87-C, 1090-1096 (2004).

2003 (2)

R. Takahashi, H. Suzuki, "1-Tb/s 16-b all-optical serial-to-parallel conversion using a surface-reflection optical switch," IEEE Photon. Technol. Lett. 5, 287-289 (2003).

N. Chi, J. Zhang, P. V. Holm-Nielsen, L. Xu, I. T. Monroy, C. Peucheret, K. Yvind, L. J. Christiansen, P. Jeppesen, "Experimental demonstration of cascaded transmission and all-optical label swapping of orthogonal IM/FSK labelled signal," Electron. Lett. 39, 676-678 (2003).

2002 (1)

S. J. B. Yoo, H. J. Lee, Z. Pan, J. Cao, Y. Zhang, K. Okamoto, S. Kamei, "Rapidly switching all-optical packet routing system with optical-label swapping incorporating tunable wavelength conversion and a uniform-loss cyclic frequency AWGR," IEEE Photon. Technol. Lett. 14, 1211-1213 (2002).

2001 (2)

T. Saida, K. Okamoto, K. Uchiyama, K. Takiguchi, T. Shibata, A. Sugita, "Integrated optical digital-to-analogue converter and its application to pulse pattern recognition," Electron. Lett. 37, 1237-1238 (2001).

Q. Yang, K. Bergman, G. D. Hughes, F. G. Johnson, "WDM packet routing for high-capacity data networks," J. Lightw. Technol. 19, 1420-1426 (2001).

1999 (1)

K. Kitayama, N. Wada, "Photonic IP routing," IEEE Photon. Technol. Lett. 11, 1689-1691 (1999).

1998 (1)

M. Kohtoku, H. Sanjo, S. Oku, Y. Kadota, Y. Yoshikuni, "Polarization independent semiconductor arrayed waveguide gratings using a deep-ridge waveguide structure," IEICE Trans. Electron. E81-C, 1195-1204 (1998).

1996 (1)

H. Ishii, H. Tanobe, F. Kano, Y. Tohmori, Y. Kondo, Y. Yoshikuni, "Quasicontinuous wavelength tuning in super-structure-grating (SSG) DBR lasers," IEEE J. Quantum Electron. 32, 433-441 (1996).

Electron. Lett. (2)

N. Chi, J. Zhang, P. V. Holm-Nielsen, L. Xu, I. T. Monroy, C. Peucheret, K. Yvind, L. J. Christiansen, P. Jeppesen, "Experimental demonstration of cascaded transmission and all-optical label swapping of orthogonal IM/FSK labelled signal," Electron. Lett. 39, 676-678 (2003).

T. Saida, K. Okamoto, K. Uchiyama, K. Takiguchi, T. Shibata, A. Sugita, "Integrated optical digital-to-analogue converter and its application to pulse pattern recognition," Electron. Lett. 37, 1237-1238 (2001).

IEEE J. Quantum Electron. (1)

H. Ishii, H. Tanobe, F. Kano, Y. Tohmori, Y. Kondo, Y. Yoshikuni, "Quasicontinuous wavelength tuning in super-structure-grating (SSG) DBR lasers," IEEE J. Quantum Electron. 32, 433-441 (1996).

IEEE Photon. Technol. Lett. (6)

H. Uenohara, S. Shimizu, K. Kobayashi, "Demonstration of an optical label switch using an optical digital-to-analog conversion-type label processor with a self-gate-pulse generator and a power equalizer," IEEE Photon. Technol. Lett. 18, 236-238 (2006).

R. Takahashi, H. Suzuki, "1-Tb/s 16-b all-optical serial-to-parallel conversion using a surface-reflection optical switch," IEEE Photon. Technol. Lett. 5, 287-289 (2003).

H. Uenohara, T. Seki, K. Kobayashi, "Investigation of high-speed wavelength routing and bit-error-rate performance of an optical packet switch with an optical digital-to analog conversion-based header processor," IEEE Photon. Technol. Lett. 16, 951-953 (2004).

K. Kitayama, N. Wada, "Photonic IP routing," IEEE Photon. Technol. Lett. 11, 1689-1691 (1999).

S. J. B. Yoo, H. J. Lee, Z. Pan, J. Cao, Y. Zhang, K. Okamoto, S. Kamei, "Rapidly switching all-optical packet routing system with optical-label swapping incorporating tunable wavelength conversion and a uniform-loss cyclic frequency AWGR," IEEE Photon. Technol. Lett. 14, 1211-1213 (2002).

S. Shimizu, K. Kobayashi, H. Uenohara, "Start-bit detection and gate-pulse generation using phase-modulated preamble for asynchronous packet processing," IEEE Photon. Technol. Lett. 19, 236-238 (2007).

IEICE Trans. Electron. (2)

M. Kohtoku, H. Sanjo, S. Oku, Y. Kadota, Y. Yoshikuni, "Polarization independent semiconductor arrayed waveguide gratings using a deep-ridge waveguide structure," IEICE Trans. Electron. E81-C, 1195-1204 (1998).

N. Wada, H. Harai, F. Kubota, "Optical packet switching network based on ultra-fast optical code label processing," IEICE Trans. Electron. E87-C, 1090-1096 (2004).

J. Lightw. Technol. (1)

Q. Yang, K. Bergman, G. D. Hughes, F. G. Johnson, "WDM packet routing for high-capacity data networks," J. Lightw. Technol. 19, 1420-1426 (2001).

Jpn. J. Appl. Phys. (1)

A. Matsutani, H. Ohtsuki, F. Koyama, "Iodine solid source inductively coupled plasma etching of InP," Jpn. J. Appl. Phys. 44, L576-L577 (2005).

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