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Investigation of mode characteristics in rectangular microresonators for wide and continuous wavelength tuning

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Abstract

The mode characteristics are investigated for the rectangular microresonators with an output waveguide connected to the midpoint of the long side for wide and continuous wavelength tuning. Through adjusting the aspect ratio of the rectangular microresonator, the mode Q factors can be greatly enhanced. Furthermore, the large mode interval between the high-Q modes makes the rectangular microresonators suitable for tunable lasers. As a special case, single-mode operation is achieved with a continuous tuning range of 9.1 nm for a square microlaser with the side length of 17.8 mm and the output waveguide width of 1.8 mm.

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Authors and Affiliations

  1. State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, China

    Mingying Tang, Shaoshuai Sui, Yuede Yang, Jinlong Xiao, Yun Du & Yongzhen Huang

Authors
  1. Mingying Tang
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  2. Shaoshuai Sui
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  3. Yuede Yang
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  4. Jinlong Xiao
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  5. Yun Du
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  6. Yongzhen Huang
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Corresponding author

Correspondence to Yongzhen Huang.

Additional information

Mingying Tang received the B.S. degree from Huazhong University of Science and Technology, Wuhan, China, in 2011. She is currently pursuing the Ph.D. degree at Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China. She is working on the design and fabrication of microlasers.

Shaoshuai Sui received the B.S. degree in physics from Qingdao University, Qingdao, China, in 2011. He is currently pursuing the Ph.D. degree with the Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China, and is involved in silicon photonics.

Yuede Yang received the B.S. degree in physics from Peking University, Beijing, China, in 2004, and the Ph.D. degree in physical electronics from the Institute of Semiconductors, Chinese Academy of Sciences, Beijing, in 2009. Since 2009, he has been an Assistant Professor with the Institute of Semiconductors, Chinese Academy of Sciences. His current research interest is in the design and the fabrication of microcavity lasers and filters.

Jinlong Xiao received the B.S. and M.S. degrees from Chongqing University, Chongqing, China, in 1999 and 2002, respectively, and the Ph.D. degree from the Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China, in 2008. His research interests are in the simulation and fabrication of quantum dot microcavity lasers and semiconductor optical amplifiers.

Yun Du received the Graduate degree from the College of Continued Education, Chinese Academy of Sciences (CAS), Beijing, in 1990. In 1984, she joined the Institute of Semiconductors, CAS, where she was engaged in research on the technique process of semiconductor optoelectronic devices, and has been a Senior Process Technician since 2007.

Yongzhen Huang received the B.Sc., M.Sc., and Ph.D. degrees in physics from Peking University, Beijing, China, in 1983, 1986, and 1989, respectively. In 1989, he joined the Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China, where he worked on the tunneling time for quantum barriers, asymmetric Fabry–Perot cavity light modulators, and VCSELs. In 1994, he was a visitor at BT Laboratories, Ipswich, UK, where he was involved in the fabrication of the 1550-nm InGaAsP VCSEL. Since 1997, he has been a Professor at the Institute of Semiconductors, Chinese Academy of Sciences, where he is also the Director of the Optoelectronic R&D Center. His current research interests are mainly focused on semiconductor microcavity lasers and photonic integrated circuits for optical interconnection.

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Tang, M., Sui, S., Yang, Y. et al. Investigation of mode characteristics in rectangular microresonators for wide and continuous wavelength tuning. Front. Optoelectron. 9, 412–419 (2016). https://doi.org/10.1007/s12200-016-0580-9

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  • DOI: https://doi.org/10.1007/s12200-016-0580-9

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