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Proposal of Electrically Tunable External-cavity Laser Diode
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- Authors
- Oh Kee Kwon, Kang Ho Kim, Eun Deok Sim, Ho Kyung Yun, Jong Hoi Kim, Hyun Soo Kim, Kwang Ryong Oh
- Issue Date
- 2004-08
- Citation
- IEEE Photonics Technology Letters, v.16, no.8, pp.1804-1806
- ISSN
- 1041-1135
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- We propose and demonstrate a novel tunable external-cavity laser diode that simultaneously achieves rapid tuning rate and wide tuning range by electrical control. This contains new-type integrated laser diode, collimating lens, and diffraction grating mirror. The integrated laser diode consists of Fabry-P챕rot laser diode and waveguide-type deflector, which can deflect the beam passing through the waveguide. By control of the current in the deflector region, maximum wavelength variation of 8.6 nm and sidemode suppression ratio of >35 dB were obtained. © 2004 IEEE.
- KSP Keywords
- Collimating lens, Diffraction grating, Electrical control, External cavity laser, Grating mirror, Integrated laser, Laser diode(LD), Tuning rate, Wide Tuning Range, electrically tunable, side mode suppression ratio(SMSR)