Optical system connection structure, optical component, and optical communication module

1. An optical communication module, comprising:

a transmitting optical element array which transmits a plurality of optical signals;

a receiving optical element array which receives a plurality of optical signals;

an optical component which converts light paths of a transmitting light outputted from said transmitting optical element and a receiving light received by said receiving optical element array;

an optical element assembly in which said transmitting optical element array and said receiving optical element array are assembled in a package;

a circuit substrate which is connected to said optical element assembly;

an optical fiber, the optical signals being inputted to said optical fiber and being outputted from said optical fiber;

at least two inclined surfaces inclining with regard to a light axis of said optical fiber;

an optical functional component which transmits or reflects the optical signals depending on a wavelength, said optical functional component being formed in one of said inclined surfaces;

a reflection surface which reflects the optical signs, said reflection surface being formed in one of said inclined surfaces; and

a lens which is formed in a fiber side end face of said optical component,

wherein

wherein

said optical fiber is inserted in a ferrule,

said optical component and the ferrule are optically coupled by butt-connecting and integrally fixed by placing a mechanically transferable (MT) clip from above; and

the MT clip comprises means for preventing a reflection light of the optical signals transmitting from said optical functional component from inputting into said transmitting optical element array or said receiving optical element array.

2. An optical communication module, comprising;

a transmitting optical element array which transmits a plurality of optical signals;

a receiving optical element array which receives a plurality of optical signals;

an optical component which converts light paths of a transmitting light outputted from said transmitting optical element and a receiving light received by said receiving optical element array;

a driver which drives said transmitting optical element array;

an amplifier which amplifies each of outputs of said receiving optical element array;

a package in which said transmitting optical element array, said receiving optical element array, said driver, and said amplifier are mounted;

a glass substrate for sealing said package;

a transmitting lens array comprising a plurality of transmitting lenses which are formed so as to correspond to a pitch of said transmitting optical element array; and

a receiving lens array comprising a plurality of receiving lenses which are formed so as to correspond to said pitch of a receiving optical element array,

wherein said transmitting lens array and said receiving lens array are formed on a back surface of said glass substrate, and

wherein an inner surface of said package and the back surface of said glass substrate are fixed.

3. The optical communication module according to claim 2 , further comprising:

an optical fiber, the optical signals being inputted to said optical fiber and being outputted from said optical fiber;

at least two inclined surfaces inclining with regard to a light axis of said optical fiber;

an optical functional component which transmits or reflects the optical signals depending on a wavelength, said optical functional component being formed in one of said inclined surfaces;

a reflection surface which reflects the optical signals, said reflection surface being formed in one of said inclined surfaces; and

a lens which is formed in a fiber side end face of said optical component.

4. The optical communication module according to claim 2 , further comprising:

a package ground which is formed on a back surface of the package and electrically connected to a substrate ground formed on said circuit substrate.

5. The optical communication module according to claim 3 , wherein:

said optical fiber is inserted in a ferrule,

said optical component and the ferrule are optically coupled by butt-connecting and integrally fixed by placing a mechanically transferable (MT) clip from above; and

the MT clip comprises means for preventing a reflection light of the optical signals.

6. An optical communication module, comprising:

a transmitting optical element array which transmits a plurality of optical signals;

a receiving optical element array which receives a plurality of optical signals;

an optical component which converts light paths of a transmitting light outputted from said transmitting optical element and a receiving light received by said receiving optical element array;

a driver which drives said transmitting optical element array;

an amplifier which amplifies each of outputs of said receiving optical element array;

a package in which said transmitting optical element array, said receiving optical element array, said driver, and said amplifier are mounted;

a glass substrate;

a transmitting lens array comprising a plurality of transmitting lenses which are formed so as to correspond to a pitch of said transmitting optical element array; and

a receiving lens array comprising a plurality of receiving lenses which are formed so as to correspond to said pitch of a receiving optical element array,

wherein said transmitting lens array and said receiving lens array are formed on a back surface of said glass substrate, and

wherein an inner surface of said package and the back surface of said glass substrate are fixed.