JP2005148390A5 - - Google Patents
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- JP2005148390A5 JP2005148390A5 JP2003385450A JP2003385450A JP2005148390A5 JP 2005148390 A5 JP2005148390 A5 JP 2005148390A5 JP 2003385450 A JP2003385450 A JP 2003385450A JP 2003385450 A JP2003385450 A JP 2003385450A JP 2005148390 A5 JP2005148390 A5 JP 2005148390A5
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- modulation signal
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Claims (8)
互いに平行な入射側反射鏡及び出射側反射鏡から構成され、入射側反射鏡を介して入射された光を往路方向又は復路方向へ伝搬させることにより共振させる共振手段と、
上記入射側反射鏡と上記出射側反射鏡との間に配され、上記発振手段から供給された上記変調信号に応じて上記共振手段において共振された光の位相を変調し、上記入射された光の周波数を中心としたサイドバンドを上記変調信号の周波数の間隔で生成する光変調手段とを備え、
上記光変調手段は、少なくとも電気光学効果を有する基板に形成された光導波路と、上記光導波路上に形成され上記発振手段から発振された変調信号を往路方向又は復路方向へ伝搬させるための電極からなり、上記往路方向へ伝搬する光の位相を上記往路方向へ伝搬する変調信号によって変調し、また、上記復路方向へ伝搬する光の位相を上記復路方向へ伝搬する変調信号によって変調すること
を特徴とする光周波数コム発生器。 Oscillating means for oscillating a modulation signal of a predetermined frequency;
Resonating means that is composed of an entrance-side reflecting mirror and an exit-side reflecting mirror that are parallel to each other, and resonates by propagating light incident through the entrance-side reflecting mirror in the forward direction or the backward direction;
The incident light is arranged between the incident-side reflecting mirror and the emitting-side reflecting mirror and modulates the phase of the light resonated in the resonance means in accordance with the modulation signal supplied from the oscillation means. Optical modulation means for generating a sideband centered at the frequency of the modulation signal at intervals of the frequency of the modulation signal,
The optical modulation means includes at least an optical waveguide formed on a substrate having an electro-optic effect, and an electrode that is formed on the optical waveguide and propagates a modulation signal oscillated from the oscillation means in a forward direction or a backward direction. The phase of the light propagating in the forward direction is modulated by the modulation signal propagating in the forward direction, and the phase of the light propagating in the backward direction is modulated by the modulation signal propagating in the backward direction. An optical frequency comb generator.
を特徴とする請求項１記載の光周波数コム発生器。 The incident side reflecting mirror and said outgoing side reflecting mirror, an incident end surface and / or the optical frequency comb generator according to claim 1, characterized in that the reflective film formed on the end surface on the outputting side of the light modulating means .
を特徴とする請求項１記載の光周波数コム発生器。 The optical frequency comb generator according to claim 1.
を特徴とする請求項３記載の光周波数コム発生器。The optical frequency comb generator according to claim 3.
を特徴とする請求項１記載の光周波数コム発生器。The optical frequency comb generator according to claim 1.
を特徴とする請求項５記載の光周波数コム発生器。The optical frequency comb generator according to claim 5.
何れか一の端面を介して入射された光を往路方向又は復路方向へ伝搬させる光伝搬手段と、A light propagation means for propagating the light incident through any one end face in the forward direction or the backward direction;
上記端面間に配され、上記発振手段から供給された上記変調信号に応じて上記伝搬する光の位相を変調する光変調手段とを備え、An optical modulation unit that is arranged between the end faces and modulates the phase of the propagating light according to the modulation signal supplied from the oscillation unit;
上記光変調手段は、少なくとも電気光学効果を有する基板に形成された光導波路と、上記光導波路上に形成され上記発振手段から発振された変調信号を往路方向又は復路方向へ伝搬させるための電極からなり、上記往路方向へ伝搬する光の位相を上記往路方向へ伝搬する変調信号によって変調し、また、上記復路方向へ伝搬する光の位相を上記復路方向へ伝搬する変調信号によって変調することThe light modulation means includes at least an optical waveguide formed on a substrate having an electro-optic effect, and an electrode formed on the optical waveguide for propagating a modulation signal oscillated from the oscillation means in a forward direction or a backward direction. The phase of the light propagating in the forward direction is modulated by the modulation signal propagating in the forward direction, and the phase of the light propagating in the backward direction is modulated by the modulation signal propagating in the backward direction
を特徴とする光変調器。An optical modulator characterized by.
何れか一の端面を介して入射された光を往路方向又は復路方向へ伝搬させる光伝搬手段と、A light propagation means for propagating the light incident through any one end face in the forward direction or the backward direction;
上記光伝搬手段を含む光路上にある少なくとも１つの反射鏡からなり、入射端側から光路方向へ伝搬する光を入射側に戻す光反射手段と、A light reflecting means comprising at least one reflecting mirror on an optical path including the light propagating means, and returning light propagating in the optical path direction from the incident end side to the incident side;
入射端と上記反射鏡との間に配され、上記発振手段から供給された上記変調信号に応じて上記伝搬する光の位相を変調する光変調手段とを備え、An optical modulation unit that is arranged between the incident end and the reflecting mirror, and modulates the phase of the propagating light in accordance with the modulation signal supplied from the oscillation unit;
上記光変調手段は、少なくとも電気光学効果を有する基板に形成された光導波路と、上記光導波路上に形成され上記発振手段から発振された変調信号を往路方向又は復路方向へ伝搬させるための電極からなり、上記往路方向へ伝搬する光の位相を上記往路方向へ伝搬する変調信号によって変調し、また、上記復路方向へ伝搬する光の位相を上記復路方向へ伝搬する変調信号によって変調することThe light modulation means includes at least an optical waveguide formed on a substrate having an electro-optic effect, and an electrode formed on the optical waveguide for propagating a modulation signal oscillated from the oscillation means in a forward direction or a backward direction. The phase of the light propagating in the forward direction is modulated by the modulation signal propagating in the forward direction, and the phase of the light propagating in the backward direction is modulated by the modulation signal propagating in the backward direction
を特徴とする光変調器。An optical modulator characterized by.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003385450A JP3891977B2 (en) | 2003-11-14 | 2003-11-14 | Optical frequency comb generator and optical modulator |
| PCT/JP2004/016325 WO2005047965A1 (en) | 2003-11-14 | 2004-11-04 | Optical frequency comb generator and optical modulator |
| US10/579,262 US7551342B2 (en) | 2003-11-14 | 2004-11-04 | Optical frequency comb generator and optical modulator |
| EP04818455A EP1684110A4 (en) | 2003-11-14 | 2004-11-04 | Optical frequency comb generator and optical modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003385450A JP3891977B2 (en) | 2003-11-14 | 2003-11-14 | Optical frequency comb generator and optical modulator |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005148390A JP2005148390A (en) | 2005-06-09 |
| JP2005148390A5 true JP2005148390A5 (en) | 2006-05-18 |
| JP3891977B2 JP3891977B2 (en) | 2007-03-14 |
Family
ID=34693508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003385450A Expired - Lifetime JP3891977B2 (en) | 2003-11-14 | 2003-11-14 | Optical frequency comb generator and optical modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3891977B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120072214A (en) | 2010-12-23 | 2012-07-03 | 한국전자통신연구원 | Terahertz continuous wave generator |
| JP2020086136A (en) * | 2018-11-26 | 2020-06-04 | 株式会社Ｘｔｉａ | Light modulator and optical comb generator |
| JP7152761B2 (en) * | 2018-11-26 | 2022-10-13 | 株式会社Xtia | Optical comb generator |
| US11726254B2 (en) | 2019-12-17 | 2023-08-15 | Xtia Ltd | Method for producing optical resonator and optical modulator, optical resonator, optical modulator, optical frequency comb generator, and optical oscillator |
-
2003
- 2003-11-14 JP JP2003385450A patent/JP3891977B2/en not_active Expired - Lifetime
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