Proposal of an InP-based few-mode transmitter based on multimode interference couplers for wavelength division multiplexing and mode division multiplexing applications

Zhaosong Li; Dan Lu; Bing Zuo; Song Liang; Xuliang Zhou; Jiaoqing Pan

doi:doi:10.3788/COL201614.080601

Chinese Optics Letters, 2016, 14 (8): 080601, Published Online: Aug. 3, 2018

Proposal of an InP-based few-mode transmitter based on multimode interference couplers for wavelength division multiplexing and mode division multiplexing applications Download： 977次

Zhaosong Li ¹Dan Lu ^1,*Bing Zuo ²Song Liang ¹Xuliang Zhou ¹Jiaoqing Pan ¹

Author Affiliations

¹ Key Laboratory of Semiconductor Materials Science and Beijing Key Laboratory of Low Dimensional Semiconductor Materials and Devices, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

² Network Technology Research Institute, China United Network Communications Corporation Limited, Beijing 100048, China

Figures & Tables

Fig. 1. Schematic diagram of the MMI-based few-mode transmitter.

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Fig. 2. Schematic diagram of the mode converter/multiplexer.

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Fig. 3. Schematic diagram of the wavelength-mode division multiplexer: (a) general interference N×1 MMI and (b) symmetric interference K×1 MMI.

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Fig. 4. (a) Epitaxial structure of the MMI, and (b) the cross section view of the waveguide.

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Fig. 5. Field distributions of a 3×1 symmetric interference MMI as a multiplexer (MMI-3) when (a) a fundamental TE0 mode or (b) a first-order TE1 mode is injected into a different input port.

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Fig. 6. Wavelength sensitivity of the 3×1 MMI wavelength-mode multiplexer when (a) the fundamental TE0 modes or (b) the first-order TE1 modes are launched from port 1 to port 3.

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Fig. 7. Simulated fabrication tolerance for the (a) length and (b) width direction of the wavelength-mode division multiplexer.

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Fig. 8. Field distribution when an input TE0 mode transmits through (a–c) MMI-1 and MMI-2 and (d–e) MMI-1, MMI-2, and MMI-3. (a) and (b) are obtained by disconnecting one of the feeding arms to MMI-2.

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Fig. 9. Simulated loss vs. wavelength for the whole device (the intrinsic loss of MMIs has been subtracted).

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Zhaosong Li, Dan Lu, Bing Zuo, Song Liang, Xuliang Zhou, Jiaoqing Pan. Proposal of an InP-based few-mode transmitter based on multimode interference couplers for wavelength division multiplexing and mode division multiplexing applications[J]. Chinese Optics Letters, 2016, 14(8): 080601.

Proposal of an InP-based few-mode transmitter based on multimode interference couplers for wavelength division multiplexing and mode division multiplexing applications Download： 977次

Fig. 1. Schematic diagram of the MMI-based few-mode transmitter.

Fig. 2. Schematic diagram of the mode converter/multiplexer.

Fig. 3. Schematic diagram of the wavelength-mode division multiplexer: (a) general interference N×1 MMI and (b) symmetric interference K×1 MMI.

Fig. 4. (a) Epitaxial structure of the MMI, and (b) the cross section view of the waveguide.

Fig. 5. Field distributions of a 3×1 symmetric interference MMI as a multiplexer (MMI-3) when (a) a fundamental TE0 mode or (b) a first-order TE1 mode is injected into a different input port.

Fig. 6. Wavelength sensitivity of the 3×1 MMI wavelength-mode multiplexer when (a) the fundamental TE0 modes or (b) the first-order TE1 modes are launched from port 1 to port 3.

Fig. 7. Simulated fabrication tolerance for the (a) length and (b) width direction of the wavelength-mode division multiplexer.

Fig. 8. Field distribution when an input TE0 mode transmits through (a–c) MMI-1 and MMI-2 and (d–e) MMI-1, MMI-2, and MMI-3. (a) and (b) are obtained by disconnecting one of the feeding arms to MMI-2.

Fig. 9. Simulated loss vs. wavelength for the whole device (the intrinsic loss of MMIs has been subtracted).

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Proposal of an InP-based few-mode transmitter based on multimode interference couplers for wavelength division multiplexing and mode division multiplexing applications Download： 977次

Fig. 1. Schematic diagram of the MMI-based few-mode transmitter.

Fig. 2. Schematic diagram of the mode converter/multiplexer.

Fig. 3. Schematic diagram of the wavelength-mode division multiplexer: (a) general interference N×1 MMI and (b) symmetric interference K×1 MMI.

Fig. 4. (a) Epitaxial structure of the MMI, and (b) the cross section view of the waveguide.

Fig. 5. Field distributions of a 3×1 symmetric interference MMI as a multiplexer (MMI-3) when (a) a fundamental TE0 mode or (b) a first-order TE1 mode is injected into a different input port.

Fig. 6. Wavelength sensitivity of the 3×1 MMI wavelength-mode multiplexer when (a) the fundamental TE0 modes or (b) the first-order TE1 modes are launched from port 1 to port 3.

Fig. 7. Simulated fabrication tolerance for the (a) length and (b) width direction of the wavelength-mode division multiplexer.

Fig. 8. Field distribution when an input TE0 mode transmits through (a–c) MMI-1 and MMI-2 and (d–e) MMI-1, MMI-2, and MMI-3. (a) and (b) are obtained by disconnecting one of the feeding arms to MMI-2.

Fig. 9. Simulated loss vs. wavelength for the whole device (the intrinsic loss of MMIs has been subtracted).

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