Paper
8 December 2003 InP chip scale integration platform for high performance tunable lasers
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
Author Affiliations +
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.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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, and T. Strand "InP chip scale integration platform for high performance tunable lasers", Proc. SPIE 5248, Semiconductor Optoelectronic Devices for Lightwave Communication, (8 December 2003); https://doi.org/10.1117/12.512280
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KEYWORDS
Mirrors

Transmitters

Modulators

Tunable lasers

Calibration

Reliability

Modulation

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