Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power
Polarization switching (PS) and polarization bistability (PB) characteristics of a 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to orthogonal optical injection (OOI) with time-varying injection power are experimentally investigated for the first time. To implement the op...
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2020-01-01
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| author | Qian Wang Guang-Qiong Xia Zai-Fu Jiang Wen-Yan Yang Dian-Zuo Yue Zheng-Mao Wu |
| author_facet | Qian Wang Guang-Qiong Xia Zai-Fu Jiang Wen-Yan Yang Dian-Zuo Yue Zheng-Mao Wu |
| author_sort | Qian Wang |
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| description | Polarization switching (PS) and polarization bistability (PB) characteristics of a 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to orthogonal optical injection (OOI) with time-varying injection power are experimentally investigated for the first time. To implement the optical injection, a Mach-Zehnder modulator (MZM) modulated by a triangular radio wave is adopted, and the influences of some typical parameters on the performances of PS and PB are analyzed. Under suitable operation conditions, PB in the VCSEL subject to OOI with time-varying injection power can be observed only for the input power <italic>P<sub>0</sub></italic> of MZM locating within a determined range, and the width of hysteresis loop gradually decreases with the increase of <italic>P<sub>0</sub></italic> from the minimum <italic>P<sub>0,</sub></italic><sub>min</sub> to the maximum <italic>P<sub>0,</sub></italic><sub>max</sub>. Under different frequency detuning Δ<italic>ν</italic> between the injection light and the X polarization mode of the VCSEL, the determined ranges of <italic>P<sub>0</sub></italic> required for PB are different. With the variation of Δ<italic>ν</italic> from a negative value to a positive value, both <italic>P<sub>0,</sub></italic><sub>min</sub> and <italic>P<sub>0,</sub></italic><sub>max</sub> present a trend of decrease first and then increase. Additionally, with the increase of the modulation frequency, the hysteresis loop width firstly increases rapidly and then gradually tends saturation. |
| format | Article |
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| language | English |
| publishDate | 2020-01-01 |
| publisher | IEEE |
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| series | IEEE Photonics Journal |
| spelling | doaj-art-b72fd926bd7c4169aef412aa447380ff2025-08-20T02:38:36ZengIEEEIEEE Photonics Journal1943-06552020-01-011251810.1109/JPHOT.2020.30290549216599Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection PowerQian Wang0Guang-Qiong Xia1https://orcid.org/0000-0002-3920-6749Zai-Fu Jiang2Wen-Yan Yang3https://orcid.org/0000-0001-6336-0239Dian-Zuo Yue4https://orcid.org/0000-0002-9056-8403Zheng-Mao Wu5https://orcid.org/0000-0002-4331-8743School of Physical Science and Technology, Southwest University, Chongqing, ChinaSchool of Physical Science and Technology, Southwest University, Chongqing, ChinaSchool of Physical Science and Technology, Southwest University, Chongqing, ChinaSchool of Physical Science and Technology, Southwest University, Chongqing, ChinaSchool of Physical Science and Technology, Southwest University, Chongqing, ChinaSchool of Physical Science and Technology, Southwest University, Chongqing, ChinaPolarization switching (PS) and polarization bistability (PB) characteristics of a 1550 nm vertical-cavity surface-emitting laser (VCSEL) subject to orthogonal optical injection (OOI) with time-varying injection power are experimentally investigated for the first time. To implement the optical injection, a Mach-Zehnder modulator (MZM) modulated by a triangular radio wave is adopted, and the influences of some typical parameters on the performances of PS and PB are analyzed. Under suitable operation conditions, PB in the VCSEL subject to OOI with time-varying injection power can be observed only for the input power <italic>P<sub>0</sub></italic> of MZM locating within a determined range, and the width of hysteresis loop gradually decreases with the increase of <italic>P<sub>0</sub></italic> from the minimum <italic>P<sub>0,</sub></italic><sub>min</sub> to the maximum <italic>P<sub>0,</sub></italic><sub>max</sub>. Under different frequency detuning Δ<italic>ν</italic> between the injection light and the X polarization mode of the VCSEL, the determined ranges of <italic>P<sub>0</sub></italic> required for PB are different. With the variation of Δ<italic>ν</italic> from a negative value to a positive value, both <italic>P<sub>0,</sub></italic><sub>min</sub> and <italic>P<sub>0,</sub></italic><sub>max</sub> present a trend of decrease first and then increase. Additionally, with the increase of the modulation frequency, the hysteresis loop width firstly increases rapidly and then gradually tends saturation.https://ieeexplore.ieee.org/document/9216599/Orthogonal optical injection (OOI)polarization bistability (PB)polarization switching (PS)time-varying injection powervertical-cavity surface-emitting lasers (VCSELs) |
| spellingShingle | Qian Wang Guang-Qiong Xia Zai-Fu Jiang Wen-Yan Yang Dian-Zuo Yue Zheng-Mao Wu Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power IEEE Photonics Journal Orthogonal optical injection (OOI) polarization bistability (PB) polarization switching (PS) time-varying injection power vertical-cavity surface-emitting lasers (VCSELs) |
| title | Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power |
| title_full | Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power |
| title_fullStr | Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power |
| title_full_unstemmed | Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power |
| title_short | Experimental Investigations on Polarization Switching and Bistability in a 1550 nm VCSEL Subject to Orthogonal Optical Injection With Time-Varying Injection Power |
| title_sort | experimental investigations on polarization switching and bistability in a 1550 nm vcsel subject to orthogonal optical injection with time varying injection power |
| topic | Orthogonal optical injection (OOI) polarization bistability (PB) polarization switching (PS) time-varying injection power vertical-cavity surface-emitting lasers (VCSELs) |
| url | https://ieeexplore.ieee.org/document/9216599/ |
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