Broad-area optical coherence in photonic-crystal distributed-feedback lasers

Igor Vurgaftman; William W. Bewley; Chadwick L. Canedy; Chulsoo S. Kim; J. Ryan Lindle; Jerry R. Meyer

doi:10.1117/12.473274

30 May 2003 Broad-area optical coherence in photonic-crystal distributed-feedback lasers

Igor Vurgaftman, William W. Bewley, Chadwick L. Canedy, Chulsoo S. Kim, J. Ryan Lindle, Jerry R. Meyer

Proceedings Volume 4992, Ultrafast Phenomena in Semiconductors VII; (2003) https://doi.org/10.1117/12.473274
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

Photonic-crystal distributed-feedback (PCDFB) lasers can potentially operate in a single optical mode that remains coherent over extremely large device areas, e.g., > 1 mm², in spite of the effects of filamentation induced by the linewidth enhancement factor. Two-dimensional diffraction is induced by gratings that are defined on a rectangular lattice for edge emission, or on a hexagonal or square lattice for surface emission. Numerical simulations based on original algorithms reveal that whereas minimizing that product is almost always advantageous in edge-emitting lasers, an optimized surface-emitter should have an intermediate value. We also review recent experimental demonstrations of both 2_nd-order and 1^st-order optically pumped broad-stripe PCDFB lasers with “W” active regions that emit in the mid-IR.

Citation Download Citation

Igor Vurgaftman, William W. Bewley, Chadwick L. Canedy, Chulsoo S. Kim, J. Ryan Lindle, and Jerry R. Meyer "Broad-area optical coherence in photonic-crystal distributed-feedback lasers", Proc. SPIE 4992, Ultrafast Phenomena in Semiconductors VII, (30 May 2003); https://doi.org/10.1117/12.473274

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