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
- Chinese Optics Letters
- Vol. 14, Issue 8, 080601 (2016)
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 K × 1
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 TE 0 TE 1
Fig. 6. Wavelength sensitivity of the 3 × 1 TE 0 TE 1
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 TE 0
Fig. 9. Simulated loss vs. wavelength for the whole device (the intrinsic loss of MMIs has been subtracted).
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