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Journal Article Wavelength Tuning of Vertical-Cavity Surface-Emitting Lasers by an Internal Device Heater
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Authors
Seong-Seok Yang, Jeong-Kwon Son, Young-Kyu Hong, Yong-Ho Song, Ho-Jin Jang, Seong-Jun Bae, Yong-Ho Lee, Gye-Mo Yang, Hyun-Sung Ko, Gun-Yong Sung
Issue Date
2008-10
Citation
IEEE Photonics Technology Letters, v.20, no.20, pp.1679-1681
ISSN
1041-1135
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/LPT.2008.2003402
Project Code
08MC2500, Ubiquitous Health Monitoring Module and System Development, Park Seon Hee
Abstract
We have fabricated thermal-induced wavelength- tunable vertical-cavity surface-emitting lasers with a 780-nm emission wavelength that is tunable by using an internal device heater. A 5.36-nm tuning range was achieved by means of a 70-mA tuning current and a 3.5-mA driving current while maintaining continuous single-mode operation and the optical power variation is less than 2.5 dB in the tuning range. In addition, a multimode tuning range of 9.1 nm was achieved with a 90-mA tuning current and a 7-mA driving current. © 2008 IEEE.
KSP Keywords
Driving current, Optical power, Power variation, Single-mode operation, Tuning Range, thermal-induced, vertical-cavity surface-emitting laser(VCSEL), wavelength tuning