Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform

Yiyang Gong, Maria Makarova, Selçuk Yerci, Rui Li, Martin J. Stevens, Burm Baek, Sae Woo Nam, Robert H. Hadfield, Sander N. Dorenbos, Val Zwiller, Jelena Vučković, Luca Dal Negro

Research output: Contribution to journalArticle

Abstract

Light emission at 1.54 µm from an Er-doped amorphous silicon nitride layer coupled to photonic crystal resonators at cryogenic and room temperatures and under varying optical pump powers has been studied. The results demonstrate that small mode volume, high quality factor resonators enhance Er absorption and emission rates at the cavity resonance. Time resolved measurements give 11- to 17-fold Purcell enhancement of spontaneous emission at cryogenic temperatures, and 2.4-fold enhancement at room temperature. Resonances exhibit linewidth narrowing with pump power, signifying absorption bleaching and partial inversion of the Er ions cryogenic temperatures. We estimate that 31% of Er ions are excited at the highest pump power. © 2010 Optical Society of America.

Original languageEnglish
Pages (from-to)2601-2612
Number of pages12
JournalOptics Express
Volume18
Issue number3
DOIs
Publication statusPublished - 1 Feb 2010

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Optics and Photonics
Temperature
Ions
Light
silicon nitride

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Gong, Y., Makarova, M., Yerci, S., Li, R., Stevens, M. J., Baek, B., ... Negro, L. D. (2010). Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform. Optics Express, 18(3), 2601-2612. https://doi.org/10.1364/OE.18.002601
Gong, Yiyang ; Makarova, Maria ; Yerci, Selçuk ; Li, Rui ; Stevens, Martin J. ; Baek, Burm ; Nam, Sae Woo ; Hadfield, Robert H. ; Dorenbos, Sander N. ; Zwiller, Val ; Vučković, Jelena ; Negro, Luca Dal. / Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform. In: Optics Express. 2010 ; Vol. 18, No. 3. pp. 2601-2612.
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abstract = "Light emission at 1.54 µm from an Er-doped amorphous silicon nitride layer coupled to photonic crystal resonators at cryogenic and room temperatures and under varying optical pump powers has been studied. The results demonstrate that small mode volume, high quality factor resonators enhance Er absorption and emission rates at the cavity resonance. Time resolved measurements give 11- to 17-fold Purcell enhancement of spontaneous emission at cryogenic temperatures, and 2.4-fold enhancement at room temperature. Resonances exhibit linewidth narrowing with pump power, signifying absorption bleaching and partial inversion of the Er ions cryogenic temperatures. We estimate that 31{\%} of Er ions are excited at the highest pump power. {\circledC} 2010 Optical Society of America.",
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Gong, Y, Makarova, M, Yerci, S, Li, R, Stevens, MJ, Baek, B, Nam, SW, Hadfield, RH, Dorenbos, SN, Zwiller, V, Vučković, J & Negro, LD 2010, 'Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform', Optics Express, vol. 18, no. 3, pp. 2601-2612. https://doi.org/10.1364/OE.18.002601

Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform. / Gong, Yiyang; Makarova, Maria; Yerci, Selçuk; Li, Rui; Stevens, Martin J.; Baek, Burm; Nam, Sae Woo; Hadfield, Robert H.; Dorenbos, Sander N.; Zwiller, Val; Vučković, Jelena; Negro, Luca Dal.

In: Optics Express, Vol. 18, No. 3, 01.02.2010, p. 2601-2612.

Research output: Contribution to journalArticle

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T1 - Linewidth narrowing and purcell enhancement in photonic crystal cavities on an Er-doped silicon nitride platform

AU - Gong, Yiyang

AU - Makarova, Maria

AU - Yerci, Selçuk

AU - Li, Rui

AU - Stevens, Martin J.

AU - Baek, Burm

AU - Nam, Sae Woo

AU - Hadfield, Robert H.

AU - Dorenbos, Sander N.

AU - Zwiller, Val

AU - Vučković, Jelena

AU - Negro, Luca Dal

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Y1 - 2010/2/1

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AB - Light emission at 1.54 µm from an Er-doped amorphous silicon nitride layer coupled to photonic crystal resonators at cryogenic and room temperatures and under varying optical pump powers has been studied. The results demonstrate that small mode volume, high quality factor resonators enhance Er absorption and emission rates at the cavity resonance. Time resolved measurements give 11- to 17-fold Purcell enhancement of spontaneous emission at cryogenic temperatures, and 2.4-fold enhancement at room temperature. Resonances exhibit linewidth narrowing with pump power, signifying absorption bleaching and partial inversion of the Er ions cryogenic temperatures. We estimate that 31% of Er ions are excited at the highest pump power. © 2010 Optical Society of America.

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