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High-performance low-divergence angled laser diodes are proposed and fabricated at a wavelength of 910 nm. Light is reflected both inward to the waveguide and downward to the lower cladding layer by the 2-D tilted sidewalls along its zigzag path in the waveguide, and thus the mode field is extended and the transverse divergence angle is greatly reduced. Experimentally, reduced transverse divergence...
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