[1] Xun GUAN, Wei SHI, Jia LIU et al. Silicon photonics in optical access networks for 5G communications. IEEE Communications Magazine, 59, 126-131(2021).

[2] K FOTIADIS, S PITRIS, M MORALIS-PEGIOS et al. Silicon photonic 16×16 cyclic AWGR for DWDM O-band interconnects. IEEE Photonics Technology Letters, 32, 1233-1236(2020).

[3] B C LIN. Advanced crosstalk reduction in an N×N two-stage AWG-based switch with odd N - ScienceDirect. Optik, 225, 165656(2020).

[4] H NISHI, T FUJI, N P DIAMANTOPOULOS et al. Integration of eight-channel directly modulated membrane-laser array and SiN AWG multiplexer on Si. Journal of Lightwave Technology, 37, 266-273(2019).

[5] Xiaoping WU, Chenglu LIU, Wen LIU et al. Monolithic integrated cyclic 64-channel AWG with MZI filters and arrayed vertical reflecting mirrors for WDM-PON application. Applied Optics, 58, 8282-8289(2019).

[6] Wenmin WANG, Wen LIU, Weidong MA. Novel compact low refractive index contrast silica-on-silicon AWG. Acta Photonica Sinica, 40, 1137-1142(2011).

[7] Liangling WANG, Jiashun ZHANG, Junming AN et al. Same side arrayed waveguide grating multiplexer for data center transmitter. Acta Photonica Sinica, 50, 0123002(2021).

[8] S KAMEI. Recent progress on athermal AWG wavelength multiplexer(2009).

[9] A KANEKO, S KAMEI, Y INOUE et al. Athermal silica-based arrayed-waveguide grating (AWG) multiplexers with new low loss groove design(1999).

[10] Tianhong ZHOU, Weidong MA. A novel fabrication approach for an athermal arrayed-waveguide grating. Journal of Semiconductors, 1, 39-41(2010).

[11] K HIRABAYASHI, N KOSHOBU, J KOBAYASHI et al. Reduction of second-order temperature dependence of silica-based athermal AWG by using two resin-filled grooves. IEEE Photonics Technology Letters, 23, 676-678(2011).

[12] G ITU-T(2018).

[13] Wenmin WANG, Weidong MA, Guang CHEN et al. Optimum design of AWG router with flattened passband and low loss. Acta Photonica Sinica, 32, 1049-1052(2003).

[14] S PATHAK, M VANSLEMBROUCK, P DUMON et al. Optimized silicon AWG with flattened spectral response using an MMI aperture. Journal of Lightwave Technology, 31, 87-93(2013).

[15] Daoxin DAI, Weiquan MEI, Sailing HE. Using a tapered MMI to flatten the passband of an AWG. Optics Communications, 219, 233-239(2003).

[16] S KAMEI, Y INOUE, T SHIBATA et al. Low-loss and compact silica-based athermal arrayed waveguide grating using resin-filled groove. Journal of Lightwave Technology, 27, 3790-3799(2009).