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1. (WO2013146818) LIGHT WAVEGUIDE STRUCTURE AND LIGHT WAVEGUIDE DEVICE
PCT Biblio. Data
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Pub. No.:
WO/2013/146818
International Application No.:
PCT/JP2013/058863
Publication Date:
03.10.2013
International Filing Date:
26.03.2013
IPC:
G02B 6/12
(2006.01),
G02B 6/122
(2006.01),
G02B 6/14
(2006.01)
G
PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10
of the optical waveguide type
12
of the integrated circuit kind
G
PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10
of the optical waveguide type
12
of the integrated circuit kind
122
Basic optical elements, e.g. light-guiding paths
G
PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10
of the optical waveguide type
14
Mode converters
Applicants:
NEC CORPORATION
[JP/JP]; 7-1, Shiba 5-chome, Minato-ku, Tokyo 1088001 (JP)
(For All Designated States Except US)
.
USHIDA Jun
[JP/JP]; (JP)
(US only)
.
NAKAMURA Shigeru
[JP/JP]; (JP)
(US only)
Inventors:
USHIDA Jun
; (JP).
NAKAMURA Shigeru
; (JP)
Agent:
TANAI Sumio
; 1-9-2, Marunouchi, Chiyoda-ku, Tokyo 1006620 (JP)
Priority Data:
2012-072850
28.03.2012
JP
Title
(EN)
LIGHT WAVEGUIDE STRUCTURE AND LIGHT WAVEGUIDE DEVICE
(FR)
STRUCTURE ET DISPOSITIF DE GUIDE D'ONDES LUMINEUSES
(JA)
光導波路構造及び光導波路デバイス
Abstract:
(EN)
Provided is a light waveguide structure, comprising a base waveguide which includes a taper part in which the width narrows contiguously from one end side toward another end side and a narrow-width part which is joined to the other end side of the taper part and extends from the other end side thereof. Three or more layers of upper part waveguides are layered upon the taper part. These upper part waveguides are configured such that planar shapes in two layers which are adjacent in the layering direction become progressively smaller from the taper parts such that the upper layer does not protrude beyond the lower layer and the thickness of the upper part waveguides progressively increases in the layering direction. A plan view approximate wedge part is provided in which the width becomes contiguously narrower toward the other end side in at least the other end side of each upper part waveguide, and the base waveguide and the end face of the one end side of each upper part waveguide are flush.
(FR)
La présente invention concerne une structure de guide d'ondes lumineuses, qui comprend un guide d'ondes de base contenant une partie conique, dans laquelle la largeur se rétrécit de façon jointive, d'un côté d'extrémité vers un autre côté d'extrémité et une partie étroite en largeur, qui est reliée à l'autre côté d'extrémité de la partie conique et s'étend depuis l'autre côté d'extrémité de celle-ci. Trois couches ou plus des guides d'ondes de partie supérieure sont stratifiées sur la partie conique. Ces guides d'ondes de partie supérieure sont conçus de sorte que les formes planes dans deux couches adjacentes dans la direction de stratification deviennent progressivement plus petites, en partant des parties coniques, de sorte que la couche supérieure ne fasse pas saillie au-delà de la couche inférieure et que l'épaisseur des guides d'ondes de partie supérieure augmente progressivement dans la direction de stratification. L'invention prévoit une partie cale, à peu près en vue en plan. Dans celle-ci, la largeur devient plus étroite de façon jointive vers l'autre côté d'extrémité dans au moins l'autre côté d'extrémité de chaque guide d'ondes de partie supérieure et le guide d'ondes de base et la face d'extrémité du premier côté d'extrémité de chaque guide d'ondes de partie supérieure sont en affleurement.
(JA)
一端側から他端側に向けて連続的に幅が狭くなるテーパ部と、該テーパ部の他端側に連設され前記他端側から延出する幅狭部とを含むベース導波路を備えた光導波路構造で、前記テーパ部上に3層以上の上部導波路を積層する。これら上部導波路は、積層方向に隣接する2層において上層が下層をはみ出さないように前記テーパ部から順次平面形状が小さくなるように、かつ積層方向の前記上部導波路の厚さが順次増加するように構成され、各々の上部導波路の少なくとも前記他端側に、該他端側に向けて連続的に幅が狭くなる平面視略楔型部を有し、前記ベース導波路および各上部導波路の前記一端側の端面が面一とされている。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)