Bistable lasing in twin microdisk photonic molecules | Zendy

Satoru Ishii | Zendy; Toshihiko Baba | Zendy

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Bistable lasing in twin microdisk photonic molecules

Author(s) -

Satoru Ishii,

Toshihiko Baba

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.2120906

Subject(s) - bistability , lasing threshold , optical bistability , photonics , materials science , optoelectronics , laser , saturable absorption , optical switch , resonator , optical pumping , nonlinear optics , optics , physics , fiber laser , wavelength

We demonstrate the bistable lasing in a photonic molecule consisting of twin microdisks. When the photonic molecule was nonuniformly photopumped, the bistability and/or mode switching were observed with an effective pump power of < 100 mu W. The rate equation analysis indicated that the operation was based on saturable absorption and gain switching, which depended on the nonuniformity, disk diameter detuning, and Q factors of coupled modes. Such a bistable laser, particularly showing the mode switching, will be applied for ultrasmall high-speed optical memories, flip-flops, and so on. (C) 2005 American Institute of Physics

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