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Proceedings Paper

InP chip scale integration platform for high performance tunable lasers
Author(s): Robert J Simes; Gregory A. Fish; Patrick Abraham; Yuliya A. Akulova; Christopher W. Coldren; Marlin Focht; Eric M. Hall; Mike C. Larson; Hugues Marchand; Peter Kozodoy; Anders Dahl; Ping C. Koh; T. Strand
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Paper Abstract

Tunable semiconductor lasers have been listed in numerous critical technology lists for future optical communication systems. Lasers with full band tuning ranges (C or L) allow reduction of the inventory cost and simplify deployment and operation of existing systems in addition to enabling wavelength agile networking concepts in future systems. Furthermore, monolithic integration of full band tunable lasers with modulators to form complete transmitters offers the most potential for reducing system size, weight, power consumption, and cost. This paper summarizes design, fabrication technology, and performance characteristics of widely tunable CW sources and transmitters based on chip scale integration of a Sampled Grating Distributed Bragg Reflector (SG DBR) laser with a Semiconductor Optical Amplifier (SOA) and Electroabsorption (EA) or Mach Zehnder (MZ) modulator. Widely tunable CW sources based on SG-DBR lasers exhibit high fiber coupled output power (20 mW CW) and side mode suppression ratio (>40 dB), low relative intensity noise (below -140 dB/Hz) and line width (<5 MHz) across a 40 nm C-band tuning range. Characteristics of EA-modulated optical transmitters include fiber-coupled time-averaged powers in excess of 5 dBm, RF extinction ratios > 10 dB, and error-free transmission over 350 km of standard fiber at 2.5 Gb/s across a 40 nm tuning range. Monolithic integration of widely tunable lasers with MZ modulators allow for further extension of bit rate (10 Gb/s and beyond) and transmission distances through precise control of the transient chirp of the transmitter. Systematic investigations of accelerated aging confirm that reliability of these widely-tunable transmitters is sufficient for system deployment.

Paper Details

Date Published: 8 December 2003
PDF: 15 pages
Proc. SPIE 5248, Semiconductor Optoelectronic Devices for Lightwave Communication, (8 December 2003); doi: 10.1117/12.512280
Show Author Affiliations
Robert J Simes, Agility Communications, Inc. (United States)
Gregory A. Fish, Agility Communications, Inc. (United States)
Patrick Abraham, Agility Communications, Inc. (United States)
Yuliya A. Akulova, Agility Communications, Inc. (United States)
Christopher W. Coldren, Agility Communications, Inc. (United States)
Marlin Focht, Agility Communications, Inc. (United States)
Eric M. Hall, Agility Communications, Inc. (United States)
Mike C. Larson, Agility Communications, Inc. (United States)
Hugues Marchand, Agility Communications, Inc. (United States)
Peter Kozodoy, Agility Communications, Inc. (United States)
Anders Dahl, Agility Communications, Inc. (United States)
Ping C. Koh, Agility Communications, Inc. (United States)
T. Strand, Agility Communications, Inc. (United States)


Published in SPIE Proceedings Vol. 5248:
Semiconductor Optoelectronic Devices for Lightwave Communication
Joachim Piprek, Editor(s)

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