Abstract

A 1.3-μm, 4 × 25-Gbit/s, EADFB laser array module with large output power and low driving voltage is developed for 100GbE. A novel rear grating DFB laser is introduced to increase the output power of the laser while keeping the single mode lasing, which is desirable for a monolithic integration. Also, InGaAlAs-based electroabsorption modulators make very-low-driving-voltage operation possible due to their steep extinction curves. With the module, very clear 25-Gbit/s eye openings are obtained for four wavelengths with the driving voltage of only 0.5 V while securing the dynamic extinction ratio required by the system. These results indicate that the presented module is a promising candidate for energy-efficient future 100GbE transmitter.

© 2011 Optical Society of America

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  1. http://www.ieee802.org/3/ba .
  2. T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).
  3. S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).
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  5. H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
    [CrossRef]
  6. T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).
  7. T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).
  8. S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).
  9. J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
    [CrossRef]
  10. H. Fukano, T. Yamanaka, M. Tamura, and T. Kondo, “Very-low-driving voltage electroabsorption modulators operating at 40Gb/s,” J. Lightwave Technol. 24(5), 2219–2224 (2006).
    [CrossRef]

2011 (3)

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

2009 (3)

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

2006 (1)

2002 (1)

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Akage, Y.

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Aoki, M.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Arai, M.

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Fujisawa, T.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Fujiwara, N.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Fukano, H.

Hayashi, H.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Iga, R.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Ishii, H.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

Kanazawa, S.

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

Kano, F.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Kawaguchi, Y.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

Kitatani, T.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Kobayashi, W.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Kondo, T.

Kubota, M.

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

Makino, S.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Nakamura, K.

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

Naoe, K.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Nunoya, N.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

Ohki, A.

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

Ohtoshi, T.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Oohashi, H.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

Sasada, N.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Shimamura, T.

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

Shimizu, J.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Shinoda, K.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Shiota, T.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Shirai, M.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Sugiyama, T.

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

Tadokoro, T.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Taike, A.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Takahashi, H.

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

Takahata, K.

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

Tamura, M.

Tanaka, S.

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

Tsuchiya, T.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Tsuji, S.

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

Tsuzuki, K.

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

Yamanaka, T.

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

H. Fukano, T. Yamanaka, M. Tamura, and T. Kondo, “Very-low-driving voltage electroabsorption modulators operating at 40Gb/s,” J. Lightwave Technol. 24(5), 2219–2224 (2006).
[CrossRef]

Electron. Lett. (2)

T. Fujisawa, M. Arai, N. Fujiwara, W. Kobayashi, T. Tadokoro, K. Tsuzuki, Y. Akage, R. Iga, T. Yamanaka, and F. Kano, “25-Gbit/s 1.3-μm InGaAlAs-based electroabsorption modulator integrated with a DFB laser for metro-area (40 km) 100-Gbit/s Ethernet system,” Electron. Lett. 45, 900–901 (2009).

J. Shimizu, M. Aoki, T. Tsuchiya, M. Shirai, A. Taike, T. Ohtoshi, and S. Tsuji, “Advantages of optical modulators with InGaAlAs/InGaAlAs MQW structure,” Electron. Lett. 38(15), 821–822 (2002).
[CrossRef]

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

S. Kanazawa, T. Fujisawa, A. Ohki, H. Ishii, N. Nunoya, Y. Kawaguchi, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “A compact EADFB laser array module for a future 100-Gbit/s Ethernet transceiver,” IEEE J. Sel. Top. Quantum Electron. 17, 1191–1197 (2011).

IEEE Photon. Technol. Lett. (2)

T. Fujisawa, S. Kanazawa, H. Ishii, N. Nunoya, Y. Kawaguchi, A. Ohki, N. Fujiwara, K. Takahata, R. Iga, F. Kano, and H. Oohashi, “1.3-μm, 4×25-Gbit/s, monolithically integrated light source for metro area 100-Gbit/s Ethernet,” IEEE Photon. Technol. Lett. 23, 356–358 (2011).

H. Takahashi, T. Shimamura, T. Sugiyama, M. Kubota, and K. Nakamura, “High-power 25-Gb/s electroabsorption modulator integrated with a laser diode,” IEEE Photon. Technol. Lett. 21(10), 633–635 (2009).
[CrossRef]

IEICE Trans. Electron., E (1)

S. Makino, K. Shinoda, T. Kitatani, H. Hayashi, T. Shiota, S. Tanaka, M. Aoki, N. Sasada, and K. Naoe, “High-speed EA-DFB laser for 40-G and 100-Gbps,” IEICE Trans. Electron., E 92-C, 937–941 (2009).

IEICE Trans. on Electron., E (1)

T. Fujisawa, K. Takahata, T. Tadokoro, W. Kobayashi, A. Ohki, N. Fujiwara, S. Kanazawa, T. Yamanaka, and F. Kano, “Long-reach 100Gbit Ethernet light source based on 4×25-Gbit/s 1.3-μm InGaAlAs EADFB lasers,” IEICE Trans. on Electron., E 94-C, 1167–1172 (2011).

J. Lightwave Technol. (1)

Other (2)

http://www.ieee802.org/3/ba .

T. Saito, T. Yamatoya, Y. Morita, E. Ishimura, C. Watatani, T. Aoyagi, and T. Ishikawa, “Clear eye opening 1.3μm-25/43Gbps EML with novel tensile-strained asymmetric QW absorption layer,” in Proc. ECOC, P.8.1.3 (2009)

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Figures (10)

Fig. 1
Fig. 1

Micrograph of the fabricated chip.

Fig. 2
Fig. 2

Longitudinal cross sections of DFB lasers with conventional λ/4 wavelength shifted grating (left) and rear grating (right).

Fig. 3
Fig. 3

Chip output power of one of the DFB laser included in EADFB laser array.

Fig. 4
Fig. 4

Module output power as a function of injection current.

Fig. 5
Fig. 5

Lasing spectrum.

Fig. 6
Fig. 6

Photo current of monitor PDs.

Fig. 7
Fig. 7

Static extinction curves.

Fig. 8
Fig. 8

Dynamic extinction ratio as a function of driving voltage under 25G operation.

Fig. 9
Fig. 9

25G eye diagrams for all the lanes for BTB configuration for different values of Vpp.

Fig. 10
Fig. 10

25G eye diagrams for all the lanes after 10-km transmission for different values of Vpp.

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