Direct single-mode lasing in polymer microbottle resonators through surface destruction

Saima Ubaid; Feng Liao; Tao Guo; Zhaoqi Gu; Shuangyi Linghu; Yanna Ma; Jiaxin Yu; Fuxing Gu

doi:10.3788/COL201917.121401

Chinese Optics Letters, Volume. 17, Issue 12, 121401(2019)

Direct single-mode lasing in polymer microbottle resonators through surface destruction Editors' Pick

Saima Ubaid, Feng Liao, Tao Guo, Zhaoqi Gu, Shuangyi Linghu, Yanna Ma, Jiaxin Yu, and Fuxing Gu^*

Laboratory of Integrated Opto-Mechanics and Electronics, Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System (Ministry of Education), University of Shanghai for Science and Technology, Shanghai 200093, China

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Figures & Tables(6)

Fig. 1. (a) Microscope image of a tungsten probe. (b), (c) Schematic illustration of surface destruction of a polymer microbottle resonator by using a tungsten probe.

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Fig. 2. (a1)–(a3) Bright and (b1)–(b3) dark field microscope images of a microbottle resonator ( $D_{bottle} = 5.3 μ m$ , $D_{fiber} = 2.9 μ m$ , and $L = 7.9 μ m$ ) and (c) their corresponding emission spectra. Electric field intensity distributions of (d) the fundamental bottle mode ${TM}_{36}^{1}$ and (e) a typical higher-order bottle mode ${TM}_{32}^{6}$ on the cross plane of the microresonator along its axis direction.

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Fig. 3. Comparison of lasing threshold between the undestroyed and destroyed microbottle resonators ( $D_{bottle} = 5.1 μ m$ , $D_{fiber} = 3.3 μ m$ , and $L = 5.4 μ m$ ). Inset (a1) shows the lasing microscope image for an undestroyed microbottle and inset (b1) shows the lasing microscope image for a destroyed microbottle.

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Fig. 4. (a) SEM image of a small destroyed microbottle resonator ( $D_{bottle} = 4.9 μ m$ , $D_{fiber} = 3.9 μ m$ , and $L = 6.1 μ m$ ). (b1), (b2) Bright and (c1), (c2) dark field microscope images and (d) their corresponding emission spectra.

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Fig. 5. (a1)–(a3) Bright and (b1)–(b3) dark field microscope images and (c) their corresponding emission spectra in a microbottle resonator ( $D_{bottle} = 6.1 μ m$ , $D_{fiber} = 4.1 μ m$ , and $L = 9.2 μ m$ ). (d) SEM image of the destroyed surface.

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Fig. 6. (a1)–(a3) Bright and (b1)–(b3) dark field microscope images of a microbottle resonator ( $D_{bottle} = 8.1 μ m$ , $D_{fiber} = 2.6 μ m$ , and $L = 10.2 μ m$ ) and (c) their corresponding emission spectra.

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Saima Ubaid, Feng Liao, Tao Guo, Zhaoqi Gu, Shuangyi Linghu, Yanna Ma, Jiaxin Yu, Fuxing Gu, "Direct single-mode lasing in polymer microbottle resonators through surface destruction," Chin. Opt. Lett. 17, 121401 (2019)

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Paper Information

Category: Lasers and Laser Optics

Received: May. 24, 2019

Accepted: Jul. 12, 2019

Published Online: Sep. 30, 2019

The Author Email: Fuxing Gu (gufuxing@usst.edu.cn)

DOI:10.3788/COL201917.121401

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology