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Packaged, High-Power, Narrow-Linewidth Slab-Coupled Optical Waveguide External Cavity Laser (SCOWECL)
2011 / IEEE
This item was taken from the IEEE Periodical ' Packaged, High-Power, Narrow-Linewidth Slab-Coupled Optical Waveguide External Cavity Laser (SCOWECL) ' We report the demonstration of an InGaAlAs/InP quantum-well, high-power, low-noise packaged semiconductor external cavity laser (ECL) operating at 1550 nm. The laser comprises a double-pass, curved-channel slab-coupled optical waveguide amplifier (SCOWA) coupled to a narrow-bandwidth (2.5 GHz) fiber Bragg grating passive cavity using a lensed-fiber. At a bias current of 4 A, the ECL produces 370 mW of fiber-coupled output power with a Voigt lineshape having Gaussian and Lorentzian linewidths of 35 and 1 kHz, respectively, and relative intensity noise <; -160 dB/Hz from 200 kHz to 10 GHz.
Laser Cavity Resonators
Optical Fibre Amplifiers
Quantum Well Lasers
Semiconductor Quantum Wells
High-power Semiconductor Laser
Narrow-linewidth Slab-coupled Optical Waveguide External Cavity Laser
Double-pass Optical Waveguide Amplifier
Narrow-bandwidth Fiber Bragg Grating Passive Cavity
Wavelength 1550 Nm
Current 4 A
Power 370 Mw
Optical Fiber Amplifiers
Surface Emitting Lasers
Photonics And Electrooptics
Engineered Materials, Dielectrics And Plasmas
Spectral Line Breadth