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1. 发明公开

EP4390524A1 ELECTRO-OPTIC MODULATOR AND ELECTRO-OPTIC DEVICE 审中-实审
公开(公告)号：EP4390524A1
公开(公告)日：2024-06-26
申请号：EP22868811.5
申请日：2022-07-08
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02F1/035 , G02F1/03
CPC分类号： G02F1/035 , G02F1/03
摘要： Provided are an electro-optic modulator and an electro-optic device. The electro-optic modulator comprises: a substrate; an isolation layer located on the substrate; a thin film layer, used to form a first optical waveguide and a second optical waveguide, an arrangement of the first optical waveguide and the second optical waveguide causing the thin film layer to comprise a first edge region, a first optical waveguide, an intermediate region, a second optical waveguide, and a second edge region; and an electrode, comprising a first ground electrode, a signal electrode and a second ground electrode which are sequentially arranged at intervals. The first ground electrode at least comprises a first main electrode, the second ground electrode at least comprises a second main electrode, and the signal electrode at least comprises a third main electrode. The first optical waveguide is arranged in a first gap between the first main electrode and the third main electrode, and the second optical waveguide is arranged in a second gap between the second main electrode and the third main electrode. The first main electrode and the second main electrode are arranged on a horizontal plane having a first height, the third main electrode is arranged on a horizontal plane having a second height, and the first height is different from the second height.

2. 发明公开

EP4383001A1 ELECTRO-OPTIC MODULATOR 审中-实审
公开(公告)号：EP4383001A1
公开(公告)日：2024-06-12
申请号：EP23215233.0
申请日：2023-12-08
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang , ZHANG, Zhouyu , SUN, Weiqi
IPC分类号： G02F1/225 , G02F1/03
CPC分类号： G02F1/212 , G02F1/2255 , G02F1/0316 , G02F2201/12220130101 , G02F2201/12720130101
摘要： An electro-optic modulator is provided, which includes a waveguide layer and an electrode layer, where the electrode layer includes: a plurality of first sub-electrodes arranged in sequence and a plurality of first connecting electrodes correspondingly connected to the plurality of first sub-electrodes; a plurality of second sub-electrodes arranged in sequence and a plurality of second connecting electrodes correspondingly connected to the plurality of second sub-electrodes; a plurality of third sub-electrodes arranged in sequence and a plurality of third connecting electrodes correspondingly connected to the plurality of third sub-electrodes; and a plurality of fourth sub-electrodes arranged in sequence and a plurality of fourth connecting electrodes correspondingly connected to the plurality of fourth sub-electrodes, where the plurality of first sub-electrodes and the plurality of fourth sub-electrodes are grounded, the plurality of second sub-electrodes and the plurality of third sub-electrodes receive differential signals, the plurality of first sub-electrodes and the plurality of second sub-electrodes form a first electric field therebetween, and the plurality of third sub-electrodes and the plurality of fourth sub-electrodes form a second electric field therebetween that has an opposite direction to that of the first electric field; and the waveguide layer includes a first waveguide arm located in the first electric field and a second waveguide arm located in the second electric field.

3. 发明公开

EP4369082A1 ELECTRO-OPTIC MODULATOR AND ELECTRO-OPTIC DEVICE 审中-实审
公开(公告)号：EP4369082A1
公开(公告)日：2024-05-15
申请号：EP22871668.4
申请日：2022-08-11
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02F1/035 , G02F1/03
CPC分类号： G02F1/035 , G02F1/03
摘要： An electro-optic modulator and an electro-optic device are provided. The electro-optic modulator includes: a first optical waveguide, a second optical waveguide, and a traveling wave electrode, where the traveling wave electrode includes a first grounding electrode, a first signal electrode, a second signal electrode, and a second grounding electrode that are spaced apart from each other; and the first optical waveguide and the second optical waveguide are both arranged between the first signal electrode and the second signal electrode. The electro-optic modulator has a plurality of extension sections along a extension direction thereof. The plurality of extension sections include a plurality of straight sections and at least one curved section. Each curved section is provided between two adjacent straight sections. According to one or more embodiments of the present disclosure, the electro-optic modulator uses a curved and folded design, the plurality of straight sections can be stacked together, and therefore, compared with a conventional electro-optic modulator, the size in a length direction can be greatly reduced, thereby reducing the costs of manufacturing the electro-optic modulator.

4. 发明公开

EP4318063A1 SPOT-SIZE CONVERTER AND PHOTONIC DEVICE 审中-实审
公开(公告)号：EP4318063A1
公开(公告)日：2024-02-07
申请号：EP22790709.4
申请日：2022-02-24
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02B6/122 , G02B6/30
摘要： A spot-size converter (100) and a photonic device (1) comprising the spot-size converter (100). The spot-size converter (100) comprises a first end face (100a) and a second end face (100b) which are parallel to each other, and further comprises a substrate (101), and an isolation layer (102), a first waveguide (103) and a covering layer (104) which are located on a side of the substrate (101) and are sequentially arranged in a direction away from the substrate (101). The first waveguide (103) comprises a flat-plate layer (31) and a ridge layer (32). The flat-plate layer (31) comprises a first wide end (31a) extending to the first end face (100a) and a first narrow end (31b) extending to the second end face (100b) or having a distance from the second end face (100b), and the flat-plate layer (31) has a width decreasing in a gradient from the first wide end (31a) to the first narrow end (31b) and comprises a first equal-width portion (311) adjacent to the first narrow end (31b). The ridge layer (32) comprises a second wide end (32a) extending to the first end face (100a) and a second narrow end (32b) having a distance from the first narrow end (31b). The ridge layer (32) has a width decreasing in a gradient from the second wide end (32a) to the second narrow end (32b) and comprises a second equal-width portion (321) adjacent to the second narrow end (32b). The covering layer (104) extends to the second end face (100b) and extends to cover at least an end of the second equal-width portion away from the second end face (100b).

5. 发明公开

EP4350403A1 PHOTONIC DEVICE, CROSSED WAVEGUIDE, WAVEGUIDE LAYER AND MANUFACTURING METHOD THEREFOR 审中-实审
公开(公告)号：EP4350403A1
公开(公告)日：2024-04-10
申请号：EP22810142.4
申请日：2022-03-18
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02B6/125
摘要： The application discloses a photonic device, a crossed waveguide, a waveguide layer and a method for manufacturing the same.

6. 发明公开

EP4414758A1 SPOT-SIZE CONVERTER, PHOTONIC DEVICE AND METHOD FOR FABRICATING SPOT-SIZE CONVERTER 审中-公开
公开(公告)号：EP4414758A1
公开(公告)日：2024-08-14
申请号：EP24157194.2
申请日：2024-02-12
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang , ZHANG, Zhouyu
IPC分类号： G02B6/136 , G02B6/30
CPC分类号： G02B6/136 , G02B2006/1214720130101 , G02B6/305 , G02B2006/1209720130101 , G02B6/1228 , G02B6/14
摘要： A spot-size converter (100), a photonic device, and a method for fabricating a spot-size converter are provided. The spot-size converter (100) is provided with a first end face (100a) and a second end face (100b) parallel to each other and comprises a substrate (101), an isolation layer (102), a waveguide layer (103) and a cover layer (104) that are arranged in sequence. The substrate (101) is provided with a first recess (11) that is exposed to its top surface and the second end face (100b). The isolation layer (102) is provided with a second recess (22) and a third recess (23) that are exposed to its top surface and the second end face (100b); the second recess (22) is provided with a plurality of first holes (220) communicating with the first recess (11), the third recess (23) is provided with a plurality of second holes (230) communicating with the first recess (11), and a portion of the isolation layer located between the second recess (22) and the third recess (23) forms a first transmission portion (21) that extends to the second end face (100b) in a first direction, the first direction being orthogonal to the first end face. A dimension of the waveguide layer (103) in a second direction decreases in a direction approaching the second end face (100b), and the waveguide layer (103) comprises a portion that protrudes from the surface of the first transmission portion (21), the second direction being orthogonal to the first direction and parallel to a bottom surface of the substrate. The cover layer (104) comprises a second transmission portion (41) located on the surface of the first transmission portion (21) and extending to the second end face (100b).

7. 发明公开

EP4383001A8 ELECTRO-OPTIC MODULATOR 审中-实审
公开(公告)号：EP4383001A8
公开(公告)日：2024-07-31
申请号：EP23215233.0
申请日：2023-12-08
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang , ZHANG, Zhouyu
IPC分类号： G02F1/225 , G02F1/03
CPC分类号： G02F1/212 , G02F1/2255 , G02F1/0316 , G02F2201/12220130101 , G02F2201/12720130101
摘要： An electro-optic modulator is provided, which includes a waveguide layer and an electrode layer, where the electrode layer includes: a plurality of first sub-electrodes arranged in sequence and a plurality of first connecting electrodes correspondingly connected to the plurality of first sub-electrodes; a plurality of second sub-electrodes arranged in sequence and a plurality of second connecting electrodes correspondingly connected to the plurality of second sub-electrodes; a plurality of third sub-electrodes arranged in sequence and a plurality of third connecting electrodes correspondingly connected to the plurality of third sub-electrodes; and a plurality of fourth sub-electrodes arranged in sequence and a plurality of fourth connecting electrodes correspondingly connected to the plurality of fourth sub-electrodes, where the plurality of first sub-electrodes and the plurality of fourth sub-electrodes are grounded, the plurality of second sub-electrodes and the plurality of third sub-electrodes receive differential signals, the plurality of first sub-electrodes and the plurality of second sub-electrodes form a first electric field therebetween, and the plurality of third sub-electrodes and the plurality of fourth sub-electrodes form a second electric field therebetween that has an opposite direction to that of the first electric field; and the waveguide layer includes a first waveguide arm located in the first electric field and a second waveguide arm located in the second electric field.

8. 发明公开

EP4379457A1 FOLDED ELECTRO-OPTIC MODULATOR 审中-实审
公开(公告)号：EP4379457A1
公开(公告)日：2024-06-05
申请号：EP22857396.0
申请日：2022-06-09
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02F1/03
CPC分类号： G02F1/03
摘要： Provided is a folded electro-optic modulator, comprising: a first main electrode, a first waveguide arm, a second main electrode, a second waveguide arm and a third main electrode arranged in sequence, and the following structures provided in any even-ordered radio-frequency modulation region of the folded electro-optic modulator: a plurality of first sub-electrodes, each of which is connected to a side of the first main electrode close to the second main electrode by means of a first connecting arm that is insulated from and intersects with the first waveguide arm; a plurality of second sub-electrodes, each of which is connected to a side of the second main electrode close to the first main electrode by means of a second connecting arm that is insulated from and intersects with the first waveguide arm; a plurality of third sub-electrodes, each of which is connected to a side of the second main electrode close to the third main electrode by means of a third connecting arm that is insulated from and intersects with the second waveguide arm; and a plurality of fourth sub-electrodes, each of which is connected to a side of the third main electrode close to the second main electrode by means of a fourth connecting arm that is insulated from and intersects with the second waveguide arm.

9. 发明公开

EP4361719A1 ELECTRO-OPTIC MODULATOR AND ELECTRO-OPTIC DEVICE 审中-实审
公开(公告)号：EP4361719A1
公开(公告)日：2024-05-01
申请号：EP22848529.8
申请日：2022-07-26
申请人： Nanjing Lycore Technologies Co., Ltd.
发明人： LIANG, Hanxiao , SONG, Yipin , ZHOU, Yingcong , WU, Haicang , MAO, Wenhao , SONG, Shiwei , SUN, Weiqi , YU, Qingyang
IPC分类号： G02F1/225
CPC分类号： G02F1/035 , G02F1/03 , G02F1/225
摘要： An electro-optic modulator includes: an optical splitter (110); a first optical waveguide (120a) and a second optical waveguide (120b); traveling wave electrodes (130) including a first grounding electrode (131), a first signal electrode (132), a second signal electrode (133), and a second grounding electrode (134); extension electrodes (140) including at least one first signal sub-electrode (142a, 142b) and two second signal sub-electrodes (143a, 143b), where the two second signal sub-electrodes (143a, 143b) are arranged on both sides of the at least one first signal sub-electrode (142a, 142b), the first optical waveguide (120a) is arranged between one second signal sub-electrode (143a or 143b) of the two second signal sub-electrodes and a first signal sub-electrode (142a or 142b) adjacent to the one second signal sub-electrode, and the second optical waveguide (120b) is arranged between the other second signal sub-electrode (143a or 143b) of the two second signal sub-electrodes and a first signal sub-electrode (142a or 142b) adjacent to the other second signal sub-electrode, and the first signal electrode (132) is electrically connected to the first signal sub-electrodes (142a, 142b), and the second signal electrode (133) is electrically connected to the second signal sub-electrodes (143a, 143b). There is further provided an electro-optic device including the electro-optic modulator.

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