Extra Loss-free Non-Hermitian Engineered Single Mode Laser Systems (Conference Presentation)

Mohammad H. Teimourpour; Elham Heidari; Hamed Dalir; Ray T. Chen; Volker J. Sorger

doi:10.1117/12.2546658

9 March 2020 Extra Loss-free Non-Hermitian Engineered Single Mode Laser Systems (Conference Presentation)

Mohammad H. Teimourpour, Elham Heidari, Hamed Dalir, Ray T. Chen, Volker J. Sorger

Proceedings Volume 11286, Optical Interconnects XX; 112860V (2020) https://doi.org/10.1117/12.2546658
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

Unlike PT and SUSY lasers, here we show an extra loss-free non-Hermitian laser engineering approach to realize single mode lasing operation for the first time. By selectively enhancing the fundamental mode’s quality factor, we obtain single mode operation with higher output power per cavity since all cavities in this system contribute to the laser output, in contrast to other non-Hermitian approaches. Furthermore, we show that this approach interestingly allows reducing the number of to-be-designed cavities in super-partner array as compared with, for example, the SUSY approach, thus leading to reduced design complexity upon coupled cavity scale up of laser arrays. In summary, the ability to engineer coupled laser systems where each laser cavity contributes to coherent light amplification opens up a new degree of laser-design freedom leading to increased device performance and simultaneous reduced design and fabrication complexity.

Conference Presentation

Citation Download Citation

Mohammad H. Teimourpour, Elham Heidari, Hamed Dalir, Ray T. Chen, and Volker J. Sorger "Extra Loss-free Non-Hermitian Engineered Single Mode Laser Systems (Conference Presentation)", Proc. SPIE 11286, Optical Interconnects XX, 112860V (9 March 2020); https://doi.org/10.1117/12.2546658

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