In this paper, a 12.5-Gb/s optical transmitter is implemented using 0.13-μm CMOS technology. The optical transmitter that we constructed compensates temperature effects of VCSEL (Vertical cavity surface emitting laser) using auto-power control (APC) and auto-modulation control (AMC). An external monitoring photodiode (MPD) detects optical power and modulation. The proposed APC and AMC demonstrate 5~20-mA of bias-current control and 5~20-mA of modulation-current control, respectively. To enhance the bandwidth of the optical transmitter, an active feedback amplifier with negative capacitance compensation is exploited. The whole chip consumes only 140.4-mW of DC power at a single 1.8-V supply under the maximum modulation and bias currents, and occupies the area of 1280-μm by 330-μm excluding bonding pads.

© 2009 Optical Society of Korea

1. M. S. Lee, B. T. Lee, J. D. Kim, and D. S. Lee, "Fabrication of 2.5 Gbps burst-mode receiver and its full compliance to GPON," J. Opt. Soc. Korea 12, 355-358 (2008) [CrossRef]
2. H. S. Kang, M. J. Lee, and W. Y. Choi, "6.25-Gb/s optical receiver using a CMOS-compatible Si avalanche photodetector," J. Opt. Soc. Korea 12, 217-220 (2008) [CrossRef]
3. S. K. Kang, T. W. Lee, H. H. Park, and D. V. Plant, "A novel automatic power control method for multichannel VCSEL driver," in Proc. Pacific Rim Conference on Lasers and Electro-optics (Tokyo, Japan, Jul. 2005), pp. 836-838
4. R. Tao, M. Berroth, and Z. G. Wang, "Low power 10 Gbit/s VCSEL driver for optical interconnect," Electron. Lett. 39, 1743-1744 (2003) [CrossRef]
5. S. Rabii, N. Acharya, P. Chau, J. Dao, A. Feldman, H.. J. Liaw, D. Liu, M. Loinaz, M. Luschas, A. Salleh, S. Sheth, S. Sidiropoulos, D. Stark, and S. Verma, "An integrated VCSEL driver for 10Gb ethernet in 0.13-um CMOS," in Proc. IEEE International Conference on Solid-state Circuits (Marriott Hotel, San Francisco, CA, USA, Feb. 2006), pp. 930-939 [CrossRef]

Electronics Letters

• R. Tao, M. Berroth, and Z. G. Wang, "Low power 10 Gbit/s VCSEL driver for optical interconnect," Electron. Lett. 39, 1743-1744 (2003) [CrossRef]

Journal of the Optical Society of Korea

• M. S. Lee, B. T. Lee, J. D. Kim, and D. S. Lee, "Fabrication of 2.5 Gbps burst-mode receiver and its full compliance to GPON," J. Opt. Soc. Korea 12, 355-358 (2008) [CrossRef]
• H. S. Kang, M. J. Lee, and W. Y. Choi, "6.25-Gb/s optical receiver using a CMOS-compatible Si avalanche photodetector," J. Opt. Soc. Korea 12, 217-220 (2008) [CrossRef]

Proc. Pacific Rim Conference on Lasers and Electro-optics

• S. K. Kang, T. W. Lee, H. H. Park, and D. V. Plant, "A novel automatic power control method for multichannel VCSEL driver," in Proc. Pacific Rim Conference on Lasers and Electro-optics (Tokyo, Japan, Jul. 2005), pp. 836-838

Solid-State Circuits Conference, 2006. ISSCC 2006. Digest of Technical Papers. IEEE International

• S. Rabii, N. Acharya, P. Chau, J. Dao, A. Feldman, H.. J. Liaw, D. Liu, M. Loinaz, M. Luschas, A. Salleh, S. Sheth, S. Sidiropoulos, D. Stark, and S. Verma, "An integrated VCSEL driver for 10Gb ethernet in 0.13-um CMOS," in Proc. IEEE International Conference on Solid-state Circuits (Marriott Hotel, San Francisco, CA, USA, Feb. 2006), pp. 930-939 [CrossRef]

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