Single mode PT symmetric large area lasers

Hossein Hodaei; Mohammad-Ali Miri; Matthias Heinrich; Demetrios N. Christodoulides; Mercedeh Khajavikhan

doi:10.1117/12.2061923

12 September 2014 Single mode PT symmetric large area lasers

Hossein Hodaei, Mohammad-Ali Miri, Matthias Heinrich, Demetrios N. Christodoulides, Mercedeh Khajavikhan

Proceedings Volume 9162, Active Photonic Materials VI; 91621Q (2014) https://doi.org/10.1117/12.2061923
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

We experimentally demonstrate single longitudinal mode operation in microring laser using the concept of PT symmetry. A PT-symmetric coupled resonator arrangement can considerably enhance the maximum achievable gain of single mode microring cavity. The method is broadband thus work well for inhomogenously broadened gain mediums. It doesn’t rely on any additional component to ensure its mode selective performance, and it is robust with respect to fabrication inaccuracies. This result may pave the way for a novel way of designing integrated laser sources based on PT symmetry.

Citation Download Citation

Hossein Hodaei, Mohammad-Ali Miri, Matthias Heinrich, Demetrios N. Christodoulides, and Mercedeh Khajavikhan "Single mode PT symmetric large area lasers", Proc. SPIE 9162, Active Photonic Materials VI, 91621Q (12 September 2014); https://doi.org/10.1117/12.2061923

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