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ABSTRACT: We describe a linear-geometry microcavity laser with microloops as end reflectors to achieve single-directional output. Finite-difference time-domain simulation is used to optimize the microloop mirror (MLM) performance and simulate the laser operation. We show that a single-directional microlaser with cavity length as small as 25 μm can be realized. A method to obtain higher output power from the microlaser with widened gain medium (WGM) is discussed. An initial fabrication of the MLM-WGM laser with transparent MLM formed by quantum-well intermixing is presented. A low-lasing threshold of ∼0.4 mA is achieved.
IEEE Photonics Technology Letters 02/2006; · 2.19 Impact Factor
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ABSTRACT: We describe a numerically efficient semiconductor model for FDTD simulation of optoelectronic and photonic devices that include the essential carrier dynamics such as band filling with Fermi-Dirac thermalization, spectral hole burning, and refractive index change.
Quantum Electronics and Laser Science Conference, 2005. QELS '05; 06/2005
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ABSTRACT: We describe a linear laser with micro loops as end mirrors. FDTD simulation is used to design the mirror and laser cavity. The initial fabrication results with a lasing threshold of ∼0.4 mA is presented.
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC; 04/2005
