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

doi:10.1364/OE.18.002601

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

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

46 Citations (Scopus)

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 language	English
Pages (from-to)	2601-2612
Number of pages	12
Journal	Optics Express
Volume	18
Issue number	3
DOIs	https://doi.org/10.1364/OE.18.002601
Publication status	Published - 1 Feb 2010

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

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. {\textcopyright} 2010 Optical Society of America.",

author = "Yiyang Gong and Maria Makarova and Sel{\c c}uk Yerci and Rui Li and Stevens, {Martin J.} and Burm Baek and Nam, {Sae Woo} and Hadfield, {Robert H.} and Dorenbos, {Sander N.} and Val Zwiller and Jelena Vu{\v c}kovi{\'c} and Negro, {Luca Dal}",

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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

PY - 2010/2/1

Y1 - 2010/2/1

N2 - 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.

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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U2 - 10.1364/OE.18.002601

DO - 10.1364/OE.18.002601

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JO - Optics Express

JF - Optics Express

IS - 3

ER -

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

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