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Journal Article 25-Gb/s hybridly-integrated tunable external cavity laser using a superluminescent diode and a polymer Bragg reflector
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Authors
Ki-Hong Yoon, Su Hwan Oh, Ki Soo Kim, O-Kyun Kwon, Dae Kon Oh, Young-Ouk Noh, Hyung-Jong Lee
Issue Date
2010-03
Citation
Optics Express, v.18, no.6, pp.5556-5561
ISSN
1094-4087
Publisher
Optical Society of America(OSA)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1364/OE.18.005556
Abstract
We presented a hybridly-integrated tunable external cavity laser with 0.8 nm mode spacing 16 channels operating in the direct modulation of 2.5-Gbps for a low-cost source of a WDM-PON system. The tunable laser was fabricated by using a superluminescent diode (SLD) and a polymer Bragg reflector. The maximum output power and the power slope efficiency of the tunable laser were 10.3 mW and 0.132 mW/mA, respectively, at the SLD current of 100 mA and the temperature of 25°C. The directlymodulated tunable laser successfully provided 2.5-Gbps transmissions through 20-km standard single mode fiber. The power penalty of the tunable laser was less than 0.8 dB for 16 channels after a 20-km transmission. The power penalty variation was less than 1.4 dB during the blue-shifted wavelength tuning. © 2010 Optical Society of America.
KSP Keywords
Blue-shifted, Bragg reflector, Direct modulation, External cavity laser, Low-cost, PON system, Single-mode fiber(SMF), Slope efficiency, Superluminescent diodes(SLDs), Tunable lasers, Wavelength-division-multiplexing passive optical network(WDM-PON)
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