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We report the selective area bandgap tuning of multiple quantum well structures by an impurity free vacancy induced quantum well intermixing technique. A 3 dB waveguide directional coupler was fabricated in the disordered section of an intermixed quantum well sample as a demonstration of photonic device applications.
Quantum Electronics and Laser Science Conference, 2005. QELS '05 (Volume:2 )
Date of Conference: 22-27 May 2005