Wide-bandwidth 1.3-um integrated lossless tap and optical preamplifier

John Schlafer; William C. Rideout; Mohammed I. Abdalla; Elliot G. Eichen; W. Russell; W. Niland; Edmund Meland; William Powazinik; Joanne S. LaCourse

doi:10.1117/12.175288

2 May 1994 Wide-bandwidth 1.3-um integrated lossless tap and optical preamplifier

John Schlafer, William C. Rideout, Mohammed I. Abdalla, Elliot G. Eichen, W. Russell, W. Niland, Edmund Meland, William Powazinik, Joanne S. LaCourse

Author Affiliations +

Proceedings Volume 2149, Technologies for Optical Fiber Communications; (1994) https://doi.org/10.1117/12.175288
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

A high-sensitivity, wide-bandwidth, optical preamplifier is demonstrated in the form of a monolithically integrated semiconductor optical amplifier and waveguide photodetector. By fabricating the same device with a shorter photodetector section, part of the signal is passed through to an output fiber, forming an optical tap. Amplifier gains are sufficient to overcome the fiber-coupling and detector loss, and exhibit zero-insertion-loss operation. A lossless tap with an electrical bandwidth of 7 GHz, a responsivity of 26 A/W, and a fiber-to-fiber gain of 3 dB is shown to have a receiver sensitivity of -22 dBm at 3 Gb/s.

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John Schlafer, William C. Rideout, Mohammed I. Abdalla, Elliot G. Eichen, W. Russell, W. Niland, Edmund Meland, William Powazinik, and Joanne S. LaCourse "Wide-bandwidth 1.3-um integrated lossless tap and optical preamplifier", Proc. SPIE 2149, Technologies for Optical Fiber Communications, (2 May 1994); https://doi.org/10.1117/12.175288

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