NDLI: Distributed feedback 3.27 µm diode lasers with continuous-wave output power above 15 mW at room temperature

Content Provider	IET Digital Library
Author	Liang, R. Hosoda, T. Shterengas, L. Stein, A. Lu, M. Kipshidze, G. Belenky, G.
Abstract	GaSb-based type-I quantum well laterally coupled distributed feedback diode lasers emitting in the methane absorption band near 3.27 µm were designed and fabricated. The first-order index grating with a period of 480 nm was defined by e-beam lithography and etched on both sides of 6 µm-wide shallow ridge waveguide. Coated 2 mm-long devices demonstrated stable continuous-wave single-frequency operation in a wide temperature range with an output power of 15 mW at +17°C and 40 mW at −20°C. The Bragg wavelength temperature tuning rate was ∼0.27 nm/K.
Starting Page	1378
Ending Page	1380
Page Count	3
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 19, Sep (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/19
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2014.2733
Journal	Electronics Letters
Publisher Date	2014-09-05
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Bragg Wavelength Temperature Tuning Rate Continuous Wave Output Power Design of Specific Laser System Diffraction Gratings Distributed Feedback Lasers E-beam Lithography Echelles Electron Beam Lithography First-order Index Grating Gallium Compound GaSb Gratings III-V SemiConductor Laser Beam Modulation Laser Tuning Lasing Action in SemiConductor Lithography Methane Absorption Band Mode Locking And Tuning Organic Compound Power 15 MW to 40 MW Pulsing And Switching Quantum Well Lasers Ridge Waveguide Semiconductor Laser Semiconductor Technology Shallow Ridge Waveguide Size 2 Mm Temperature 17 DegC to -20 DegC Temperature 293 K to 298 K Type-I Quantum Well Laterally Coupled Distributed Feedback Diode Lasers Waveguide And Microwave Transmission Line Wavelength 3.27 Mum
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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